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    217 Products

    Ball Screws and Nuts

    Image of ProductInUse. Front orientation. Contains Inset. Ball Screws and Nuts. Ball Screws and Nuts .
    Image of Product. A. Front orientation. Contains Annotated. Ball Screws and Nuts. Ball Screws and Nuts , Ball Nuts, Externally Threaded Nut, Style A.
    Image of Product. Front orientation. Contains Annotated. Ball Screws and Nuts. Ball Screws and Nuts , Ball Nuts, Externally Threaded Nut, Style B.
    Image of Product. Front orientation. Contains Annotated. Ball Screws and Nuts. Ball Screws and Nuts , Ball Nuts, Flange Nut, Style C.

    A

    Ball Nuts,

    Externally Threaded

    Nut, Style B

    Ball Nuts

    Flange Nut

    Style C

    Image of Product. Front orientation. Contains Annotated. Ball Screws and Nuts. Ball Screws and Nuts , Ball Nuts, Flange Nut, Style D.
    Image of Product. E. Front orientation. Contains Annotated. Ball Screws and Nuts. Ball Screws and Nuts , Ball Nuts, Flange Nut, Style E.

    Ball Nuts

    Flange Nut

    Style D

    E

    Internal ball bearings provide smooth low-friction travel in applications that require high speeds, accurate positioning, and repeatable movement. Also known as single-start ball screws and nuts, they have a single thread that runs the length of the screw. They operate with more torque than fast-travel ball screws and nuts. To ensure compatibility, select components that have the same thread direction and size. Ball nuts are furnished with a tube to keep ball bearings in place. Do not remove the tube until you are ready to install the nuts onto the screws.
    Ball Screws with Flange Ball Nut—Right-Hand Threaded
    Image of ProductInUse. Front orientation. Contains Annotated. Ball Screws and Nuts. Ball Screws and Nuts , Ball Screws.
    Image of Attribute. Front orientation. Contains Annotated. Ball Screws and Nuts .
    Root diameter indicates the diameter the ball screw will be after machining away the threads.
    Travel Distance per Turn—Travel distance per turn, also known as screw lead, is the distance a ball nut moves with one revolution of the ball screw.
    Ball Screw
    Flange Ball
    Nut, mm
    Thread
    Size
    Lg.,
    mm
    Root Dia.,
    mm
    Tensile Strength,
    psi
    Lg.
    Dia.
    Lg. Tolerance
    Type
    No. of Thread
    Starts
    Travel Distance
    per Turn, mm
    Accuracy for Travel
    Distance per Turn
    Hardness
    Dynamic Thrust
    Load Cap., lb.
    Max. Backlash,
    mm
    Temp. Range,
    ° F
    Each
    Carbon Steel Ball Screw with Alloy Steel Flange Ball Nut
    M6
    1505.321,0002113Plus11±0.210 mm/300 mmRockwell C581500.055 to 17500000000000000
    M6
    2505.321,0002113Plus11±0.210 mm/300 mmRockwell C581500.055 to 175000000000000
    M8
    1506.621,0002820Plus12±0.210 mm/300 mmRockwell C584700.055 to 1750000000000000
    M8
    2506.621,0002820Plus12±0.210 mm/300 mmRockwell C584700.055 to 175000000000000
    M10
    2008.621,0002823Plus12±0.210 mm/300 mmRockwell C585100.055 to 1750000000000000
    M10
    3008.621,0002823Plus12±0.210 mm/300 mmRockwell C585100.055 to 175000000000000
    M12
    20010.621,0003025Plus12±0.210 mm/300 mmRockwell C585600.055 to 175000000000000
    M12
    30010.621,0003025Plus12±0.210 mm/300 mmRockwell C585600.055 to 1750000000000000
     
    Ball Screws—Right-Hand Threaded
    Image of Product. Front orientation. Ball Screws and Nuts. Ball Screws and Nuts , Ball Screws.
    Image of Attribute. Front orientation. Contains Annotated. Ball Screws and Nuts .
    Travel Distance per Turn—Travel distance per turn, also known as screw lead, is the distance a ball nut moves with one revolution of the ball screw.
    Root Diameter—Root diameter indicates the diameter the ball screw will be after machining away the threads.
    Thread
    Size
    Lg.,
    ft.
    No. of Thread
    Starts
    Travel Distance
    per Turn
    Accuracy for Travel
    Distance per Turn
    Root
    Dia.
    Hardness
    Tensile Strength,
    psi
    Temp. Range,
    ° F
    Each
    Alloy Steel
    3/8"-8
    110.125"±0.007"/1 ft.0.3"Rockwell C5685,000-65 to 30000000000000000
    3/8"-8
    210.125"±0.007"/1"0.3"Rockwell C5685,000-65 to 30000000000000000
    5/8"-5
    110.2"±0.004"/1 ft.0.5"Rockwell C5672,500-65 to 3000000000000000
    5/8"-5
    210.2"±0.004"/1 ft.0.5"Rockwell C5672,500-65 to 3000000000000000
    5/8"-5
    310.2"±0.004"/1 ft.0.5"Rockwell C5672,500-65 to 30000000000000000
    5/8"-5
    410.2"±0.004"/1 ft.0.5"Rockwell C5672,500-65 to 30000000000000000
    5/8"-5
    510.2"±0.004"/1 ft.0.5"Rockwell C5672,500-65 to 30000000000000000
    5/8"-5
    610.2"±0.004"/1 ft.0.5"Rockwell C5672,500-65 to 30000000000000000
    3/4"-5
    110.2"±0.007"/1 ft.0.65"Rockwell C5692,500-65 to 3000000000000000
    3/4"-5
    210.2"±0.007"/1 ft.0.65"Rockwell C5692,500-65 to 3000000000000000
    3/4"-5
    310.2"±0.007"/1 ft.0.65"Rockwell C5692,500-65 to 3000000000000000
    3/4"-5
    410.2"±0.007"/1 ft.0.65"Rockwell C5692,500-65 to 30000000000000000
    3/4"-5
    510.2"±0.007"/1 ft.0.65"Rockwell C5692,500-65 to 30000000000000000
    3/4"-5
    610.2"±0.007"/1 ft.0.65"Rockwell C5692,500-65 to 30000000000000000
    1"-4
    210.25"±0.007"/1 ft.0.84"Rockwell C56122,000-65 to 3000000000000000
    1"-4
    310.25"±0.007"/1 ft.0.84"Rockwell C56122,000-65 to 3000000000000000
    1"-4
    410.25"±0.007"/1 ft.0.84"Rockwell C56122,000-65 to 30000000000000000
    1"-4
    510.25"±0.007"/1 ft.0.84"Rockwell C56122,000-65 to 30000000000000000
    1"-4
    610.25"±0.007"/1 ft.0.84"Rockwell C56122,000-65 to 30000000000000000
    1"-4
    710.25"±0.007"/1 ft.0.84"Rockwell C56122,000-65 to 30000000000000000
    1"-4
    810.25"±0.007"/1 ft.0.84"Rockwell C56122,000-65 to 30000000000000000
    1 1/2"-2
    210.5"±0.007"/1 ft.1.26"Rockwell C56183,500-65 to 30000000000000000
    1 1/2"-2
    310.5"±0.007"/1 ft.1.26"Rockwell C56183,500-65 to 30000000000000000
    1 1/2"-2
    410.5"±0.007"/1 ft.1.26"Rockwell C56183,500-65 to 30000000000000000
    1 1/2"-2
    510.5"±0.007"/1 ft.1.26"Rockwell C56183,500-65 to 30000000000000000
    1 1/2"-2
    610.5"±0.007"/1 ft.1.26"Rockwell C56183,500-65 to 30000000000000000
    1 1/2"-2
    710.5"±0.007"/1 ft.1.26"Rockwell C56183,500-65 to 30000000000000000
    1 1/2"-2
    810.5"±0.007"/1 ft.1.26"Rockwell C56183,500-65 to 30000000000000000
    1 1/2"-4
    210.25"±0.007"/1 ft.1.375"Rockwell C56200,000-65 to 30000000000000000
    1 1/2"-4
    310.25"±0.007"/1 ft.1.375"Rockwell C56200,000-65 to 30000000000000000
    1 1/2"-4
    410.25"±0.007"/1 ft.1.375"Rockwell C56200,000-65 to 30000000000000000
    1 1/2"-4
    510.25"±0.007"/1 ft.1.375"Rockwell C56200,000-65 to 30000000000000000
    1 1/2"-4
    610.25"±0.007"/1 ft.1.375"Rockwell C56200,000-65 to 30000000000000000
    1 1/2"-4
    710.25"±0.007"/1 ft.1.375"Rockwell C56200,000-65 to 30000000000000000
    1 1/2"-4
    810.25"±0.007"/1 ft.1.375"Rockwell C56200,000-65 to 30000000000000000
    2 1/4"-2
    210.5"±0.004"/1 ft.1.85"Rockwell C58 to Rockwell C62120,000-65 to 30000000000000000
    2 1/4"-2
    310.5"±0.004"/1 ft.1.85"Rockwell C58 to Rockwell C62120,000-65 to 30000000000000000
    2 1/4"-2
    410.5"±0.004"/1 ft.1.85"Rockwell C58 to Rockwell C62120,000-65 to 3000000000000000000
    2 1/4"-2
    510.5"±0.004"/1 ft.1.85"Rockwell C58 to Rockwell C62120,000-65 to 3000000000000000000
    2 1/4"-2
    610.5"±0.004"/1 ft.1.85"Rockwell C58 to Rockwell C62120,000-65 to 3000000000000000000
    2 1/4"-2
    710.5"±0.004"/1 ft.1.85"Rockwell C58 to Rockwell C62120,000-65 to 3000000000000000000
    2 1/4"-2
    810.5"±0.004"/1 ft.1.85"Rockwell C58 to Rockwell C62120,000-65 to 3000000000000000000
     
    Ball Screws—Left-Hand Threaded
    Image of Product. Front orientation. Ball Screws and Nuts. Ball Screws and Nuts , Ball Screws.
    Image of Attribute. Front orientation. Contains Annotated. Ball Screws and Nuts .
    Travel Distance per Turn—Travel distance per turn, also known as screw lead, is the distance a ball nut moves with one revolution of the ball screw.
    Root Diameter—Root diameter indicates the diameter the ball screw will be after machining away the threads.
    Thread
    Size
    Lg.,
    ft.
    No. of Thread
    Starts
    Travel Distance
    per Turn
    Accuracy for Travel
    Distance per Turn
    Root
    Dia.
    Hardness
    Tensile Strength,
    psi
    Temp. Range,
    ° F
    Each
    Alloy Steel
    5/8"-5
    110.2"±0.007"/1 ft.0.5"Rockwell C5672,500-65 to 30000000000000000
    5/8"-5
    210.2"±0.007"/1 ft.0.5"Rockwell C5672,500-65 to 3000000000000000
    5/8"-5
    310.2"±0.007"/1 ft.0.5"Rockwell C5672,500-65 to 30000000000000000
    5/8"-5
    610.2"±0.007"/1 ft.0.5"Rockwell C5672,500-65 to 30000000000000000
    1"-4
    110.25"±0.007"/1 ft.0.84"Rockwell C56122,000-65 to 3000000000000000
    1"-4
    210.25"±0.007"/1 ft.0.84"Rockwell C56122,000-65 to 30000000000000000
    1"-4
    310.25"±0.007"/1 ft.0.84"Rockwell C56122,000-65 to 30000000000000000
    1"-4
    610.25"±0.007"/1 ft.0.84"Rockwell C56122,000-65 to 30000000000000000
     
    Ball Screws with One Machined End—Right-Hand Threaded
    Image of Product. Front orientation. Contains Annotated. Ball Screws and Nuts. Ball Screws and Nuts , Ball Screws with One Machined End.
    Image of Attribute. Front orientation. Contains Annotated. Ball Screws and Nuts .
    Ball screws with one machined end fit into an end support and are ready to connect to a motor. To adjust the length, the non-machined end can be cut to size.
    Travel Distance per Turn—Travel distance per turn, also known as screw lead, is the distance a ball nut moves with one revolution of the ball screw.
    Root Diameter—Root diameter indicates the diameter the ball screw will be after machining away the threads.
    Machined End
    Keyway
    Thread
    Size
    Lg.,
    ft.
    No. of Thread
    Starts
    Travel Distance
    per Turn
    Accuracy for Travel
    Distance per Turn
    Root
    Dia.
    Shoulder
    Lg.
    Overall
    Lg.
    Thread
    Size
    Dia.
    Lg.
    Wd.
    Hardness
    Tensile Strength,
    psi
    Temp. Range,
    ° F
    Each
    Alloy Steel
    5/8"-5
    210.2"±0.007"/1 ft.0.5"2"3 19/64"0.469"-32
    3/8"1 1/4"1/8"Rockwell C5672,500-65 to 300000000000000000
    5/8"-5
    410.2"±0.007"/1 ft.0.5"2"3 19/64"0.469"-32
    3/8"1 1/4"1/8"Rockwell C5672,500-65 to 30000000000000000
    5/8"-5
    610.2"±0.007"/1 ft.0.5"2"3 19/64"0.469"-32
    3/8"1 1/4"1/8"Rockwell C5672,500-65 to 30000000000000000
    3/4"-5
    210.2"±0.007"/1 ft.0.65"2 3/16"3 3/16"0.586"-32
    1/2"1"1/8"Rockwell C5692,500-65 to 30000000000000000
    3/4"-5
    410.2"±0.007"/1 ft.0.65"2 3/16"3 3/16"0.586"-32
    1/2"1"1/8"Rockwell C5692,500-65 to 30000000000000000
    3/4"-5
    610.2"±0.007"/1 ft.0.65"2 3/16"3 3/16"0.586"-32
    1/2"1"1/8"Rockwell C5692,500-65 to 30000000000000000
    1"-4
    210.25"±0.007"/1 ft.0.84"2 23/32"4 1/32"0.781"-32
    5/8"1.13"0.188"Rockwell C56122,000-65 to 30000000000000000
    1"-4
    410.25"±0.007"/1 ft.0.84"2 23/32"4 1/32"0.781"-32
    5/8"1.13"0.188"Rockwell C56122,000-65 to 30000000000000000
    1"-4
    610.25"±0.007"/1 ft.0.84"2 23/32"4 1/32"0.781"-32
    5/8"1.13"0.188"Rockwell C56122,000-65 to 3000000000000000000
     
    Externally Threaded Ball Nuts—Right-Hand Threaded
    Image of Product. A. Front orientation. Contains Annotated. Ball Screws and Nuts. Ball Screws and Nuts , Ball Nuts, Externally Threaded Nut, Style A.
    Image of Product. Front orientation. Contains Annotated. Ball Screws and Nuts. Ball Screws and Nuts , Ball Nuts, Externally Threaded Nut, Style B.

    A

    Style B

    Black-Oxide Alloy Steel—Black-oxide alloy steel ball nuts have mild corrosion resistance.
    Travel Distance per Turn—Travel distance per turn, also known as screw lead, is the distance a ball nut moves with one revolution of the ball screw.
    Way Wipers—Secure a way wiper on the end of a ball nut to sweep chips and other contaminants out of the way as it moves across the ball screw.
    Ball Screw Nuts
    Way Wipers
    Style
    Thread
    Size
    Lg.
    Wd.
    Ht.
    Dia.
    No. of Thread
    Starts
    Travel Distance
    per Turn
    External Thread
    Size
    Hardness
    Dynamic Thrust
    Load Cap., lb.
    Max.
    Backlash
    Temp. Range,
    ° F
    Each
    Each
    Black-Oxide Alloy Steel
    A3/8"-8
    1"3/4"10.125"11/16"-28Rockwell C561700.015"-65 to 300000000000000000———0
    A5/8"-5
    1 45/64"1"1"10.2"15/16"-16
    Rockwell C568200.015"-65 to 3000000000000000———0
    A3/4"-5
    2 7/8"1 1/4"10.2"1 1/8"-18
    Rockwell C561,9000.015"-65 to 300000000000000000000000000000
    A1 1/2"-2
    5 9/16"2 5/8"10.5"2 23/64"-18Rockwell C5612,9000.015"-65 to 30000000000000000———0
    A1 1/2"-4
    3"2 3/32"10.25"1 31/32"-18Rockwell C564,2500.015"-65 to 30000000000000000———0
    A2 1/4"-2
    6 11/16"3 3/8"10.5"3.137"-12
    Rockwell C58 to Rockwell C6221,3060.015"-65 to 3000000000000000000———0
    B1"-4
    2 11/32"1 1/2"1 1/2"10.25"1 9/16"-18Rockwell C561,6250.015"-65 to 30000000000000000———0
     
    Externally Threaded Ball Nuts—Left-Hand Threaded
    Image of Product. A. Front orientation. Contains Annotated. Ball Screws and Nuts. Ball Screws and Nuts , Externally Threaded Nut, Ball Nuts, Style A.

    A

    Black-Oxide Alloy Steel—Black-oxide alloy steel ball nuts have mild corrosion resistance.
    Travel Distance per Turn—Travel distance per turn, also known as screw lead, is the distance a ball nut moves with one revolution of the ball screw.
    Style
    Thread
    Size
    Lg.
    Wd.
    Ht.
    No. of Thread
    Starts
    Travel Distance
    per Turn
    External Thread
    Size
    Hardness
    Dynamic Thrust
    Load Cap., lb.
    Max.
    Backlash
    Temp. Range,
    ° F
    Each
    Black-Oxide Alloy Steel
    A5/8"-5
    1 45/64"1"1"10.2"15/16"-16
    Rockwell C568200.015"-65 to 30000000000000000
    A1"-4
    2 11/32"1 1/2"1 1/2"10.25"1 9/16"-18Rockwell C561,6200.015"-65 to 30000000000000000
     
    Platform Ball Nuts—Right-Hand Threaded
    Image of Product. Front orientation. Contains Annotated. Ball Screws and Nuts. Ball Screws and Nuts , Platform Nut, Ball Nuts.
    Travel Distance per Turn—Travel distance per turn, also known as screw lead, is the distance a ball nut moves with one revolution of the ball screw.
    Thread
    Size
    Lg.,
    mm
    Wd.,
    mm
    Ht.,
    mm
    Ctr. Ht.,
    mm
    No. of Thread
    Starts
    Travel Distance
    per Turn, mm
    Hardness
    Dynamic Thrust
    Load Cap., lb.
    Max. Backlash,
    mm
    Temp. Range,
    ° F
    Each
    Alloy Steel
    M14
    3534301314Rockwell C581,2000.15 to 17500000000000000
    M16
    364232.51615Rockwell C581,2000.15 to 1750000000000000
    M20
    3548391715Rockwell C581,3000.15 to 1750000000000000
    M20
    58484618110Rockwell C582,3500.15 to 1750000000000000
    M25
    3560452015Rockwell C581,5000.15 to 1750000000000000
    M25
    94605523110Rockwell C587,0000.15 to 1750000000000000
     
    Flange Ball Nuts—Right-Hand Threaded
    Image of Product. Front orientation. Contains Annotated. Ball Screws and Nuts. Ball Screws and Nuts , Ball Nuts, Flange Nut, Style C.
    Image of Product. Front orientation. Contains Annotated. Ball Screws and Nuts. Ball Screws and Nuts , Ball Nuts, Flange Nut, Style D.
    Image of Product. E. Front orientation. Contains Annotated. Ball Screws and Nuts. Ball Screws and Nuts , Ball Nuts, Flange Nut, Style E.
    Image of Attribute. Front orientation. Contains Annotated. Ball Screws and Nuts .

    Style C

    Style D

    E

    Black-Oxide Alloy Steel—Black-oxide alloy steel ball nuts have mild corrosion resistance.
    Travel Distance per Turn—Travel distance per turn, also known as screw lead, is the distance a ball nut moves with one revolution of the ball screw.
    Flange
    Style
    Thread
    Size
    Lg.
    Wd.
    Ht.
    Dia.
    Dia.
    Wd.,
    mm
    Ht.,
    mm
    Thk.
    No. of Thread
    Starts
    Travel Distance
    per Turn
    Bolt Circle
    Dia.
    Hardness
    Dynamic Thrust
    Load Cap., lb.
    Max.
    Backlash
    Temp. Range,
    ° F
    Each
    Alloy Steel
    CM14
    40 mm31 mm503710 mm14 mmRockwell C581,2000.1 mm5 to 17500000000000000
    CM16
    40 mm34 mm544010 mm15 mmRockwell C581,2000.1 mm5 to 1750000000000000
    CM20
    40 mm40 mm604610 mm15 mmRockwell C581,3000.1 mm5 to 1750000000000000
    CM20
    64 mm52 mm826412 mm110 mmRockwell C582,3500.1 mm5 to 1750000000000000
    CM25
    40 mm43 mm675010 mm15 mmRockwell C581,5000.1 mm5 to 1750000000000000
    CM25
    98 mm60 mm967215 mm110 mmRockwell C587,0000.1 mm5 to 1750000000000000
     
    Black-Oxide Alloy Steel
    D3/8"-8
    1 1/64"3/4"1 19/32"9/32"10.125"1 15/64"Rockwell C561700.015"-65 to 30000000000000000
    D3/4"-5
    2 29/32"1 1/4"2 19/32"17/32"10.2"2 3/32"Rockwell C561,9000.015"-65 to 30000000000000000
    D1 1/2"-2
    5 19/32"2 5/8"4 15/16"25/32"10.5"4 1/16"Rockwell C5612,9000.015"-65 to 30000000000000000
    D1 1/2"-4
    3 1/32"2 3/32"4 23/64"17/32"10.25"3 7/16"Rockwell C564,2500.015"-65 to 30000000000000000
    D2 1/4"-2
    6 23/32"3 3/8"5 3/8"1 37/64"10.5"4 3/8"Rockwell C58 to Rockwell C6221,3060.015"-65 to 300000000000000000
    E5/8"-5
    1 47/64"1"1"2 19/32"17/32"10.2"2 3/32"Rockwell C568200.015"-65 to 30000000000000000
    E1"-4
    2 3/8"1 1/2"1 1/2"3 15/64"5/8"10.25"2 3/4"Rockwell C561,6200.015"-65 to 30000000000000000
     
    Flange Ball Nuts—Left-Hand Threaded
    Image of Product. E. Front orientation. Contains Annotated. Ball Screws and Nuts. Ball Screws and Nuts , Ball Nuts, Flange Nut, Style E.
    Image of Attribute. Front orientation. Contains Annotated. Ball Screws and Nuts .

    E

    Black-Oxide Alloy Steel—Black-oxide alloy steel ball nuts have mild corrosion resistance.
    Travel Distance per Turn—Travel distance per turn, also known as screw lead, is the distance a ball nut moves with one revolution of the ball screw.
    Flange
    Style
    Thread
    Size
    Lg.
    Wd.
    Ht.
    Dia.
    Thk.
    No. of Thread
    Starts
    Travel Distance
    per Turn
    Bolt Circle
    Dia.
    Hardness
    Dynamic Thrust
    Load Cap., lb.
    Max.
    Backlash
    Temp. Range,
    ° F
    Each
    Black-Oxide Alloy Steel
    E5/8"-5
    1 47/64"1"1"2 19/32"17/32"10.2"2 3/32"Rockwell C568200.015"-65 to 300000000000000000
    E1"-4
    2 3/8"1 1/2"1 1/2"3 15/64"5/8"10.25"2 3/4"Rockwell C561,6200.015"-65 to 30000000000000000
    E1"-4
    2 5/8"1 1/2"1 1/2"2 15/64"5/8"10.25"2 3/4"Rockwell C561,6200.015"-65 to 30000000000000000
     

    End Supports for Ball Screws and Precision Lead Screws

    A set of ball bearings reduces friction and secures the end of a ball or lead screw. Note: The end of your ball or lead screw must be machined before installing it into an end support.
    For Radial LoadsAbout For Radial Loads
    Image of Product. Front orientation. Contains Annotated. End Supports for Ball Screws and Precision Lead Screws. For Radial Loads.
    End supports for radial loads handle loads perpendicular to the lead screw.
    Face Mounting Holes
    Top
    Mounting Holes
    ID
    Ht.
    Ctr.
    Ht.
    Wd.
    Dp.
    No. of Mounting
    Holes
    Dia.
    Ctr.-to-Ctr.
    Wd.
    Ctr.-to-Ctr.
    Ht.
    Dia.
    Ctr.-to-Ctr.
    Wd.
    Temp. Range,
    ° F
    Each
    Alloy Steel
    23/64"2"1"2 3/4"35/64"69/32"2"1 3/8"9/32"2"-40 to 2100000000000000000
    15/32"1 7/8"1"3"25/32"69/32"2 1/4"1 1/8"13/32"2 1/4"-40 to 210000000000000000
    19/32"2 1/8"1 1/8"3 1/2"1 55/64"69/32"2 1/2"1 3/8"13/32"2 1/2"-40 to 210000000000000000
    25/32"2 3/4"1 7/16"4 1/2"1 7/64"615/32"3 1/4"1 3/4"21/32"3 1/4"-40 to 2100000000000000
    1 3/16"3 5/8"1 7/8"6 1/2"1 21/32"621/32"4 3/4"2"29/32"4 3/4"-40 to 210000000000000000
     
    For Combined Radial and Thrust LoadsAbout For Combined Radial and Thrust Loads
    Image of Product. Front orientation. Contains Annotated. End Supports for Ball Screws and Precision Lead Screws. For Combined Radial and Thrust Loads.
    End supports for combined radial and thrust loads handle radial loads (perpendicular to the lead screw) and thrust loads (parallel to the lead screw).
    Combined Load
    Cap., lbf
    Face Mounting Holes
    Top
    Mounting Holes
    ID
    Ht.
    Ctr.
    Ht.
    Wd.
    Dp.
    Static
    Dynamic
    No. of Mounting
    Holes
    Dia.
    Ctr.-to-Ctr.
    Wd.
    Ctr.-to-Ctr.
    Ht.
    Dia.
    Ctr.-to-Ctr.
    Wd.
    Temp. Range,
    ° F
    Each
    Alloy Steel
    23/64"2"1"2 3/4"1 3/16"1,00044069/32"2"1 3/8"9/32"2"-40 to 210000000000000000
    15/32"1 7/8"1"3"1 11/32"1,60063069/32"2 1/4"1 1/8"13/32"2 1/4"-40 to 21000000000000000
    19/32"2 1/8"1 1/8"3 1/2"1 1/2"2,3001,05069/32"2 1/2"1 3/8"13/32"2 1/2"-40 to 21000000000000000
    43/64"2 3/8"1 1/4"4"1 21/32"3,2001,550613/32"2 7/8"1 3/8"17/32"2 7/8"-40 to 210000000000000000
    25/32"2 3/4"1 7/16"4 1/2"1 7/8"3,2001,800615/32"3 1/4"1 3/4"21/32"3 1/4"-40 to 21000000000000000
    63/64"3 3/8"1 3/4"6"1 15/16"3,7502,100621/32"4 1/4"2"29/32"4 1/4"-40 to 2100000000000000000
    1 3/16"3 5/8"1 7/8"6 1/2"2 1/16"5,2003,050621/32"4 3/4"2"29/32"4 3/4"-40 to 2100000000000000000
    1 49/64"5 5/8"2 13/16"8 1/2"3 15/32"15,0009,0001013/16"6 5/8"3 5/8"1 1/32"6 5/8"-40 to 2100000000000000000
     

    Fast-Travel Ball Screws and Nuts

    Image of ProductInUse. Front orientation. Contains Inset. Ball Screws and Nuts. Fast-Travel Ball Screws and Nuts.
    Image of Product. Front orientation. Contains Annotated. Ball Screws and Nuts. Fast-Travel Ball Screws and Nuts, Ball Nuts, Externally Threaded Nut, Style C.
    Image of Product. Front orientation. Contains Annotated. Ball Screws and Nuts. Fast-Travel Ball Screws and Nuts, Ball Nuts, Externally Threaded Nut, Style D.
    Image of Product. Front orientation. Contains Annotated. Ball Screws and Nuts. Fast-Travel Ball Screws and Nuts, Ball Nuts, Flange Nut, Style F.
    Image of Product. Front orientation. Contains Annotated. Ball Screws and Nuts. Fast-Travel Ball Screws and Nuts, Ball Nuts, Flange Nut, Style G.

    Ball Nuts,

    Externally

    Threaded Nut,

    Style C

    Ball Nuts,

    Externally

    Threaded Nut,

    Style D

    Ball Nuts

    Flange Nut

    Style F

    Ball Nuts

    Flange Nut

    Style G

    Multiple thread channels (also known as thread starts) create faster linear travel than ball screws with a single thread start. Internal ball bearings provide smooth low-friction travel in applications that require high speeds, accurate positioning, and repeatable movement. To ensure compatibility, select components that have the same thread size and number of thread starts. Ball nuts are furnished with a tube to keep ball bearings in place. Do not remove the tube until you are ready to install the nuts onto the screws.
    Ball Screws—Right-Hand Threaded
    Image of Product. Front orientation. Ball Screws and Nuts. Fast-Travel Ball Screws and Nuts, Ball Screws.
    Image of Attribute. Front orientation. Contains Annotated. Fast-Travel Ball Screws and Nuts.
    Travel Distance per Turn—Travel distance per turn, also known as screw lead, is the distance a ball nut moves with one revolution of the ball screw.
    Root Diameter—Root diameter indicates the diameter the ball screw will be after machining away the threads.
    Thread
    Size
    Lg.,
    ft.
    No. of Thread
    Starts
    Travel Distance
    per Turn
    Accuracy for Travel
    Distance per Turn
    Root
    Dia.
    Hardness
    Tensile Strength,
    psi
    Temp. Range,
    ° F
    Each
    Alloy Steel
    1/2"-4
    120.5"±0.007"/1 ft.0.4"Rockwell C5658,000-65 to 30000000000000000
    1/2"-4
    220.5"±0.007"/1 ft.0.4"Rockwell C5658,000-65 to 3000000000000000
    3/4"-4
    120.5"±0.007"/1 ft.0.63"Rockwell C5692,500-65 to 3000000000000000
    3/4"-4
    220.5"±0.007"/1 ft.0.63"Rockwell C5692,500-65 to 3000000000000000
    3/4"-4
    320.5"±0.007"/1 ft.0.63"Rockwell C5692,500-65 to 30000000000000000
    3/4"-4
    420.5"±0.007"/1 ft.0.63"Rockwell C5692,500-65 to 30000000000000000
    3/4"-4
    520.5"±0.007"/1 ft.0.63"Rockwell C5692,500-65 to 30000000000000000
    3/4"-4
    620.5"±0.007"/1 ft.0.63"Rockwell C5692,500-65 to 30000000000000000
    1"-4
    220.5"±0.007"/1 ft.0.87"Rockwell C56126,500-65 to 30000000000000000
    1"-4
    241"±0.007"/1 ft.0.84"Rockwell C56123,000-65 to 30000000000000000
    1"-4
    320.5"±0.007"/1 ft.0.87"Rockwell C56126,500-65 to 30000000000000000
    1"-4
    341"±0.007"/1 ft.0.84"Rockwell C56123,000-65 to 30000000000000000
    1"-4
    420.5"±0.007"/1 ft.0.87"Rockwell C56126,500-65 to 30000000000000000
    1"-4
    441"±0.007"/1 ft.0.84"Rockwell C56123,000-65 to 30000000000000000
    1"-4
    520.5"±0.007"/1 ft.0.87"Rockwell C56126,500-65 to 30000000000000000
    1"-4
    541"±0.007"/1 ft.0.84"Rockwell C56123,000-65 to 30000000000000000
    1"-4
    620.5"±0.007"/1 ft.0.87"Rockwell C56126,500-65 to 30000000000000000
    1"-4
    641"±0.007"/1 ft.0.84"Rockwell C56123,000-65 to 30000000000000000
    1"-4
    720.5"±0.007"/1 ft.0.87"Rockwell C56126,500-65 to 30000000000000000
    1"-4
    741"±0.007"/1 ft.0.84"Rockwell C56123,000-65 to 30000000000000000
    1"-4
    820.5"±0.007"/1 ft.0.87"Rockwell C56126,500-65 to 30000000000000000
    1"-4
    841"±0.007"/1 ft.0.84"Rockwell C56123,000-65 to 30000000000000000
    1 1/2"-2
    221"±0.007"/1 ft.1.14"Rockwell C56166,000-65 to 30000000000000000
    1 1/2"-2
    321"±0.007"/1 ft.1.14"Rockwell C56166,000-65 to 30000000000000000
    1 1/2"-2
    421"±0.007"/1 ft.1.14"Rockwell C56166,000-65 to 30000000000000000
    1 1/2"-2
    521"±0.007"/1 ft.1.14"Rockwell C56166,000-65 to 30000000000000000
    1 1/2"-2
    621"±0.007"/1 ft.1.14"Rockwell C56166,000-65 to 30000000000000000
    1 1/2"-2
    721"±0.007"/1 ft.1.14"Rockwell C56166,000-65 to 30000000000000000
    1 1/2"-2
    821"±0.007"/1 ft.1.14"Rockwell C56166,000-65 to 30000000000000000
     
    Externally Threaded Ball Nuts—Right-Hand Threaded
    Image of Product. Front orientation. Contains Annotated. Ball Screws and Nuts. Fast-Travel Ball Screws and Nuts, Ball Nuts, Externally Threaded Nut, Style C.
    Image of Product. Front orientation. Contains Annotated. Ball Screws and Nuts. Fast-Travel Ball Screws and Nuts, Ball Nuts, Externally Threaded Nut, Style D.

    Style C

    Style D

    Black-Oxide Alloy Steel—Black-oxide alloy steel ball nuts have mild corrosion resistance.
    Travel Distance per Turn—Travel distance per turn, also known as screw lead, is the distance a ball nut moves with one revolution of the ball screw.
    Way Wipers—Secure a way wiper on the end of a ball nut to sweep chips and other contaminants out of the way as it moves across the ball screw.
    Ball Screw Nuts
    Way Wipers
    Style
    Thread
    Size
    Lg.
    Wd.
    Ht.
    Dia.
    No. of Thread
    Starts
    Travel Distance
    per Turn
    External Thread
    Size
    Hardness
    Dynamic Thrust
    Load Cap., lb.
    Max.
    Backlash
    Temp. Range,
    ° F
    Each
    Each
    Black-Oxide Alloy Steel
    C1/2"-4
    1 3/4"1 1/16"20.5"15/16"-16
    Rockwell C568500.015"-65 to 30000000000000000———0
    C3/4"-4
    2 15/16"1 5/16"20.5"1 1/4"-16
    Rockwell C563,4000.015"-65 to 30000000000000000———0
    C1"-4
    3 1/8"1 11/16"20.5"1 9/16"-18Rockwell C564,2500.015"-65 to 30000000000000000———0
    C1 1/2"-2
    3 3/4"2 1/4"2 1/4"2 5/8"21"2 1/4"-20Rockwell C568,0000.015"-65 to 3000000000000000000000000000000
    D1"-4
    3"1 1/2"1 1/2"41"1 9/16"-18Rockwell C562,3000.015"-65 to 30000000000000000———0
     
    Flange Ball Nuts—Right-Hand Threaded
    Image of Product. Front orientation. Contains Annotated. Ball Screws and Nuts. Fast-Travel Ball Screws and Nuts, Ball Nuts, Flange Nut, Style F.
    Image of Product. Front orientation. Contains Annotated. Ball Screws and Nuts. Fast-Travel Ball Screws and Nuts, Ball Nuts, Flange Nut, Style G.

    Style F

    Style G

    Image of Attribute. Front orientation. Contains Annotated. Fast-Travel Ball Screws and Nuts.
    Image of Attribute. Front orientation. Contains Annotated. Fast-Travel Ball Screws and Nuts.
    Black-Oxide Alloy Steel—Black-oxide alloy steel ball nuts have mild corrosion resistance.
    Travel Distance per Turn—Travel distance per turn, also known as screw lead, is the distance a ball nut moves with one revolution of the ball screw.
    Way Wipers—Secure a way wiper on the end of a ball nut to sweep chips and other contaminants out of the way as it moves across the ball screw.
    Ball Screw Nuts
    Way Wipers
    Flange
    Style
    Thread
    Size
    Lg.
    Wd.
    Ht.
    Dia.
    Dia.
    Thk.
    No. of Thread
    Starts
    Travel Distance
    per Turn
    Bolt Circle
    Dia.
    Hardness
    Dynamic Thrust
    Load Cap., lb.
    Max.
    Backlash
    Temp. Range,
    ° F
    Each
    Each
    Black-Oxide Alloy Steel
    F1/2"-4
    1 3/4"1 1/16"2 39/64"17/32"20.5"2 3/32"Rockwell C568500.015"-65 to 300000000000000000———0
    F3/4"-4
    2 15/16"1 5/16"2 39/64"17/32"20.5"2 3/32"Rockwell C563,4000.015"-65 to 30000000000000000———0
    F1"-4
    3 1/8"1 11/16"3 15/64"5/8"20.5"2 3/4"Rockwell C564,2500.015"-65 to 30000000000000000———0
    G1"-4
    3"1 1/2"1 1/2"3 15/64"5/8"41"2 3/4"Rockwell C562,3000.015"-65 to 30000000000000000———0
    G1 1/2"-2
    3 3/4"2 1/4"2 1/4"4 15/16"1 1/64"21"4 1/8"Rockwell C568,0000.015"-65 to 3000000000000000000000000000000
     

    Self-Stopping Ball Screws and Nuts

    Image of ProductInUse. Stop Pin Shown Installed. Front orientation. Contains Inset. Ball Screws and Nuts. Self-Stopping Ball Screws and Nuts.

    Stop Pin Shown Installed

    Keep your ball screw spinning without the ball nut damaging your system—a clutch-like collar inside the ball nut prevents it from travelling past the stop pins. Install the included stop pins anywhere along the length of the ball screw by drilling a hole in the valley of the threads (also known as the root) and pressing in the stop pin. When the collar meets the stop pin, the ball nut disengages from the threads and begins to idle. To start the ball nut travelling again, spin the ball screw in the opposite direction. All components are black-oxide steel and have mild corrosion resistance. To ensure compatibility, select components that have the same thread size. Ball nuts are furnished with a tube to keep ball bearings in place. Do not remove the tube until you are ready to install the nuts onto the screws.
    Ball Screws—Right-Hand Threaded
    Image of Product. Front orientation. Ball Screws and Nuts. Self-Stopping Ball Screws and Nuts, Ball Screws.
    Image of Attribute. Front orientation. Contains Annotated. Self-Stopping Ball Screws and Nuts.
    Travel Distance per Turn—Travel distance per turn, also known as screw lead, is the distance a ball nut moves with one revolution of the ball screw.
    Root Diameter—Root diameter indicates the diameter the ball screw will be after machining away the threads.
    Thread
    Size
    Lg.,
    ft.
    No. of Thread
    Starts
    Travel Distance
    per Turn
    Root
    Dia.
    Hardness
    Tensile Strength,
    psi
    Temp. Range,
    ° F
    No. of Pins
    Included
    Each
    Black-Oxide Alloy Steel
    5/8"-6
    120.188"0.562"Rockwell C5695,000-65 to 300200000000000000
    5/8"-6
    220.188"0.562"Rockwell C5695,000-65 to 30020000000000000
    5/8"-6
    320.188"0.562"Rockwell C5695,000-65 to 30020000000000000
    1"-4
    220.274"0.84"Rockwell C5695,000-65 to 30020000000000000
    1"-4
    320.274"0.84"Rockwell C5695,000-65 to 30020000000000000
    1"-4
    420.274"0.84"Rockwell C5695,000-65 to 30020000000000000
     
    Externally Threaded Ball Nuts—Right-Hand Threaded
    Image of Product. Front orientation. Contains Annotated. Ball Screws and Nuts. Self-Stopping Ball Screws and Nuts, Ball Nuts, Externally Threaded Nut.
    Travel Distance per Turn—Travel distance per turn, also known as screw lead, is the distance a ball nut moves with one revolution of the ball screw.
    Thread
    Size
    Lg.
    Dia.
    No. of Thread
    Starts
    Travel Distance
    per Turn
    External Thread
    Size
    Hardness
    Dynamic Thrust
    Load Cap., lb.
    Max.
    Backlash
    Temp. Range,
    ° F
    Each
    Black-Oxide Alloy Steel
    5/8"-6
    1 7/8"1"20.188"15/16"-16
    Rockwell C563000.006"-65 to 30000000000000000
    1"-4
    2 23/32"1 5/8"20.274"1.563"-18
    Rockwell C569000.008"-65 to 3000000000000000
     
    Flange Ball Nuts—Right-Hand Threaded
    Image of Product. Front orientation. Contains Annotated. Ball Screws and Nuts. Self-Stopping Ball Screws and Nuts, Ball Nuts, Flange Nut.
    Image of Attribute. Front orientation. Contains Annotated. Self-Stopping Ball Screws and Nuts.
    Travel Distance per Turn—Travel distance per turn, also known as screw lead, is the distance a ball nut moves with one revolution of the ball screw.
    Flange
    Thread
    Size
    Lg.
    Dia.
    Dia.
    Thk.
    No. of Thread
    Starts
    Travel Distance
    per Turn
    Bolt Circle
    Dia.
    Hardness
    Dynamic Thrust
    Load Cap., lb.
    Max.
    Backlash
    Temp. Range,
    ° F
    Each
    Black-Oxide Alloy Steel
    5/8"-6
    1 7/8"1"2"13/32"20.188"1 5/8"Rockwell C563000.006"-65 to 30000000000000000
    1"-4
    2 23/32"1 5/8"3 15/64"5/8"20.274"2 3/4"Rockwell C569000.008"-65 to 3000000000000000
     

    Roller Screws and Nuts

    Image of ProductInUse. Front orientation. Roller Screws and Nuts.
    Precision ground to create more points of contact, these roller screws and nuts are highly accurate and handle much higher loads than ball screws and nuts of the same size. They're most traditionally used to replace hydraulics in linear actuators but can also be used in place of ball and lead screw assemblies because of their high load capacity and precise motion control. In fact, they're almost four times more accurate than our most accurate ball and lead screws. They also last longer than ball screw nuts in systems with lower loads and can handle higher shock loads. However, because they have more contact points, they’re slightly less efficient than ball screws. To ensure compatibility, select components that have the same thread direction and size.
    Roller Screws—Right-Hand Partially Threaded
    Image of Product. Front orientation. Roller Screws and Nuts. Roller Screws.
    Roller screws are made of hardened steel for strength and durability.
    Travel Distance per Turn—Travel distance per turn, also known as screw lead, is the distance a roller nut moves with one revolution of the roller screw.
    Thread
    Size
    Lg.,
    mm
    No. of Thread
    Starts
    Travel Distance
    per Turn, mm
    Accuracy for Travel
    Distance per Turn
    Min. Thread
    Lg., mm
    Root Dia.,
    mm
    Hardness
    Tensile Strength,
    psi
    Each
    Alloy Steel
    M15
    64254±0.023 mm/300 mm52214.59Rockwell C60105,0000000000000000000
    M15
    64255±0.023 mm/300 mm52214.44Rockwell C60105,000000000000000000
    M20
    68054±0.023 mm/300 mm56119.15Rockwell C60105,000000000000000000
    M20
    68055±0.023 mm/300 mm56119.05Rockwell C60105,000000000000000000
     
    Round Nuts—Right-Hand Thread
    Image of Product. Front orientation. Roller Screws and Nuts. Nuts.
    Travel Distance per Turn—Travel distance per turn, also known as screw lead, is the distance a roller nut moves with one revolution of the roller screw.
    Keyway,
    mm
    Thread
    Size
    Lg.,
    mm
    Dia.,
    mm
    No. of Thread
    Starts
    Travel Distance
    per Turn, mm
    Wd.
    Dp.
    Hardness
    Dynamic Thrust
    Load Cap., lb.
    Max. Backlash,
    mm
    Temp. Range,
    ° F
    Lubrication
    Each
    Alloy Steel
    M15
    453554414Rockwell C609,2300.03-40 to 350Required0000000000000000
    M15
    453555414Rockwell C6012,0000.03-40 to 350Required000000000000000
    M20
    654254418Rockwell C6015,1000.03-40 to 350Required000000000000000
    M20
    654255418Rockwell C6020,6000.03-40 to 350Required000000000000000
     

    Self-Aligning Steel Swivel-Tip Set Screws

    Image of Attribute. Front orientation. Contains Annotated. Set Screws. Self-Aligning Steel Swivel-Tip Set Screws.
    Avoid the angst of angles and uneven surfaces. The tip on these set screws pivots to conform to your workpiece's surface without damaging it. Made of alloy steel, they are strong enough to hold components without wearing down.
    Black-Oxide Alloy Steel—These screws have a dark matte finish that offers minimal corrosion resistance, so they're best for dry environments.
    Tip
    Lg.
    Dia.
    Lg.
    Max. Swivel
    Angle
    Drive
    Size
    Hardness
    Each
    Black-Oxide Alloy Steel
     
    10-32
    1/2"0.146"0.125"7.5°3/32"Rockwell C4500000000000000
     
    1/4"-20
    1/2"0.185"0.156"7.5°1/8"Rockwell C450000000000000
    3/4"0.185"0.156"7.5°1/8"Rockwell C450000000000000
    1"0.185"0.156"7.5°1/8"Rockwell C450000000000000
    1 1/2"0.185"0.156"7.5°1/8"Rockwell C450000000000000
     
    5/16"-18
    3/4"0.25"0.188"7.5°5/32"Rockwell C450000000000000
    1"0.25"0.188"7.5°5/32"Rockwell C450000000000000
    1 1/2"0.25"0.188"7.5°5/32"Rockwell C450000000000000
    2"0.25"0.188"7.5°5/32"Rockwell C4500000000000000
     
    3/8"-16
    3/4"0.293"0.234"7.5°3/16"Rockwell C450000000000000
    1"0.293"0.234"7.5°3/16"Rockwell C450000000000000
    1 1/2"0.293"0.234"7.5°3/16"Rockwell C450000000000000
    2"0.293"0.234"7.5°3/16"Rockwell C450000000000000
     
    1/2"-13
    3/4"0.4"0.266"7.5°1/4"Rockwell C4500000000000000
    1"0.4"0.266"7.5°1/4"Rockwell C4500000000000000
    1 1/2"0.4"0.266"7.5°1/4"Rockwell C4500000000000000
    2"0.4"0.266"7.5°1/4"Rockwell C4500000000000000
    3"0.4"0.266"7.5°1/4"Rockwell C4500000000000000
     
    5/8"-11
    2"0.506"0.344"7.5°5/16"Rockwell C4500000000000000
    3"0.506"0.344"7.5°5/16"Rockwell C4500000000000000
     
    3/4"-10
    1 1/2"0.625"0.438"7.5°3/8"Rockwell C4500000000000000
    2 1/2"0.625"0.438"7.5°3/8"Rockwell C4500000000000000
     

    Tight-Clearance Self-Aligning Steel Swivel-Tip Set Screws

    Image of Product. Front orientation. Contains Annotated. Set Screws. Tight-Clearance Self-Aligning Steel Swivel-Tip Set Screws.
    With a low-profile tip, these screws fit in compact assemblies, shallow mounting holes, and precision equipment where space is limited. The tip pivots to conform to your workpiece's surface without damaging it. Made of alloy steel, they're strong enough to hold components without wearing down.
    Black-Oxide Alloy Steel—These screws have a dark matte finish that offers minimal corrosion resistance, so they're best for dry environments.
    Lg.
    Tip
    Dia.
    Max. Swivel
    Angle
    Drive
    Size
    Hardness
    Each
    Black-Oxide Alloy Steel
     
    1/4"-20
    1/2"0.12"1/8"Rockwell C3900000000000000
    3/4"0.12"1/8"Rockwell C390000000000000
     
    5/16"-18
    3/4"0.147"5/32"Rockwell C390000000000000
    1"0.147"5/32"Rockwell C390000000000000
     
    3/8"-16
    3/4"0.192"3/16"Rockwell C3900000000000000
    1"0.192"3/16"Rockwell C3900000000000000
     
    1/2"-13
    1"0.29"1/4"Rockwell C3900000000000000
    1 1/2"0.29"1/4"Rockwell C3900000000000000
     
    5/8"-11
    1"0.372"5/16"Rockwell C3900000000000000
    1 1/2"0.372"5/16"Rockwell C3900000000000000
     
    Alloy Steel
     
    M5 × 0.8 mm
    9.5 mm2.2 mm2.5 mmRockwell C3900000000000000
    15.5 mm2.2 mm2.5 mmRockwell C3900000000000000
    24.5 mm2.2 mm2.5 mmRockwell C3900000000000000
     
    M6 × 1 mm
    16 mm3.2 mm3 mmRockwell C390000000000000
    20 mm3.2 mm3 mmRockwell C390000000000000
    25 mm3.2 mm3 mmRockwell C390000000000000
     
    M8 × 1.25 mm
    20 mm4.5 mm4 mmRockwell C3900000000000000
    25 mm4.5 mm4 mmRockwell C3900000000000000
    30 mm4.5 mm4 mmRockwell C3900000000000000
     
    M10 × 1.5 mm
    16 mm6 mm5 mmRockwell C3900000000000000
    25 mm6 mm5 mmRockwell C3900000000000000
    35 mm6 mm5 mmRockwell C3900000000000000
     
    M12 × 1.75 mm
    16 mm7.2 mm6 mmRockwell C3900000000000000
    30 mm7.2 mm6 mmRockwell C3900000000000000
    40 mm7.2 mm6 mmRockwell C3900000000000000
     
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