McMaster-Carr logo
    Filter by
    System of Measurement
    Thread Direction
    Industrial Info Compare
    Component
    Thread Type
    Fastener Strength Grade/Class
    Industrial Info Compare
    Thread Fit
    Industrial Info Snippet
    Attribute Image
    U.S.–Mexico–Canada Agreement (USMCA) Qualifying
    DFARS Specialty Metals
    Industrial Info Compare
    Export Control Classification Number (ECCN)
    Industrial Info Snippet
    Enter e-mail addresses in the fields below
    Message
    Cancel
    Comments
    E-mail address (if you would like a response)
    205 Products

    Acme Lead Screws and Nuts

    Image of ProductInUse. Front orientation. Contains Inset. Lead Screws and Nuts. Acme Lead Screws and Nuts.
    Found in hand-powered clamps, vises, grates, doors, and work tables, lead screws and nuts have broad, square threads that are well suited for quick assembly, high clamping forces, and lifting and lowering heavy objects. To ensure compatibility, please select components that have the same thread direction, thread size, and number of thread starts.
    Lead Screws—Left-Hand Thread
    Image of Product. Front orientation. Lead Screws and Nuts. Acme Lead Screws and Nuts, Lead Screws—Left-Hand Thread.
    Carbon Steel—Carbon steel components are easier to machine than alloy steel components.
    Alloy Steel—Alloy steel components are harder and stronger than carbon steel components.
    Travel Distance per Turn—Travel distance per turn, also known as screw lead, is the distance a nut or handle moves with one revolution of the lead screw.
    Thread
    Size
    Thread
    Type
    Lg.,
    ft.
    No. of Thread
    Starts
    Speed
    Ratio
    Travel Distance
    per Turn
    Thread Fit
    Fastener Strength
    Grade/Class
    Hardness
    Tensile Strength,
    psi
    Specs.
    Met
    Each
    Carbon Steel
    1/4"-16
    Acme
    311:10.063"Acme Class 2G
    SAE Grade 2
    Rockwell B6164,000ASTM A10898935A404000000
    1/4"-16
    Acme
    611:10.063"Acme Class 2G
    SAE Grade 2
    Rockwell B6164,000ASTM A10898935A40500000
    3/8"-12
    Acme
    311:10.083"Acme Class 2G
    SAE Grade 2
    Rockwell B6153,000ASTM A10898935A4110000
    3/8"-12
    Acme
    611:10.083"Acme Class 2G
    SAE Grade 2
    Rockwell B6153,000ASTM A10898935A41000000
    1/2"-8
    Acme
    311:10.125"Acme Class 2G
    SAE Grade 2
    Rockwell B6164,000ASTM A10898935A41700000
    1/2"-8
    Acme
    611:10.125"Acme Class 2G
    SAE Grade 2
    Rockwell B6164,000ASTM A10898935A41800000
    1/2"-10
    Acme
    311:10.1"Acme Class 2G
    SAE Grade 2
    Rockwell B6153,000ASTM A10898935A41900000
    1/2"-10
    Acme
    611:10.1"Acme Class 2G
    SAE Grade 2
    Rockwell B6153,000ASTM A10898935A42000000
    5/8"-6
    Acme
    311:10.167"Acme Class 2G
    SAE Grade 2
    Rockwell B6164,000ASTM A10898935A42600000
    5/8"-6
    Acme
    611:10.167"Acme Class 2G
    SAE Grade 2
    Rockwell B6164,000ASTM A10898935A42700000
    5/8"-8
    Acme
    311:10.125"Acme Class 2G
    SAE Grade 2
    Rockwell B6153,000ASTM A10898935A42900000
    5/8"-8
    Acme
    611:10.125"Acme Class 2G
    SAE Grade 2
    Rockwell B6153,000ASTM A10898935A43000000
    3/4"-5
    Acme
    311:10.2"Acme Class 2G
    SAE Grade 2
    Rockwell B6153,000ASTM A10898935A43900000
    3/4"-5
    Acme
    611:10.2"Acme Class 2G
    SAE Grade 2
    Rockwell B6153,000ASTM A10898935A44000000
    3/4"-6
    Acme
    311:10.167"Acme Class 2G
    SAE Grade 2
    Rockwell B6153,000ASTM A10898935A44900000
    3/4"-6
    Acme
    611:10.167"Acme Class 2G
    SAE Grade 2
    Rockwell B6153,000ASTM A10898935A45000000
    3/4"-8
    Acme
    311:10.125"Acme Class 2G
    SAE Grade 2
    Rockwell B6164,000ASTM A10898935A45100000
    3/4"-8
    Acme
    611:10.125"Acme Class 2G
    SAE Grade 2
    Rockwell B6164,000ASTM A10898935A45200000
    7/8"-6
    Acme
    311:10.167"Acme Class 2G
    SAE Grade 2
    Rockwell B6153,000ASTM A10898935A45900000
    7/8"-6
    Acme
    611:10.167"Acme Class 2G
    SAE Grade 2
    Rockwell B6153,000ASTM A10898935A46000000
    1"-4
    Acme
    311:10.25"Acme Class 2G
    SAE Grade 2
    Rockwell B6164,000ASTM A10898935A46800000
    1"-4
    Acme
    611:10.25"Acme Class 2G
    SAE Grade 2
    Rockwell B6164,000ASTM A10898935A46900000
    1"-5
    Acme
    311:10.2"Acme Class 2G
    SAE Grade 2
    Rockwell B6153,000ASTM A10898935A47100000
    1"-5
    Acme
    611:10.2"Acme Class 2G
    SAE Grade 2
    Rockwell B6153,000ASTM A10898935A47000000
    1"-6
    Acme
    311:10.167"Acme Class 2G
    SAE Grade 2
    Rockwell B6153,000ASTM A10898935A47900000
    1"-6
    Acme
    611:10.167"Acme Class 2G
    SAE Grade 2
    Rockwell B6153,000ASTM A10898935A48000000
    1"-8
    Acme
    311:10.125"Acme Class 2G
    SAE Grade 2
    Rockwell B6164,000ASTM A10898935A48500000
    1"-8
    Acme
    611:10.125"Acme Class 2G
    SAE Grade 2
    Rockwell B6164,000ASTM A10898935A48600000
    1"-10
    Acme
    311:10.1"Acme Class 2G
    SAE Grade 2
    Rockwell B6153,000ASTM A10898935A48900000
    1"-10
    Acme
    611:10.1"Acme Class 2G
    SAE Grade 2
    Rockwell B6153,000ASTM A10898935A49000000
    1 1/8"-5
    Acme
    311:10.2"Acme Class 2G
    SAE Grade 2
    Rockwell B6153,000ASTM A10898935A50900000
    1 1/8"-5
    Acme
    611:10.2"Acme Class 2G
    SAE Grade 2
    Rockwell B6153,000ASTM A10898935A51000000
    1 1/4"-4
    Acme
    311:10.25"Acme Class 2G
    SAE Grade 2
    Rockwell B6153,000ASTM A10898935A51900000
    1 1/4"-4
    Acme
    611:10.25"Acme Class 2G
    SAE Grade 2
    Rockwell B6153,000ASTM A10898935A520000000
    1 1/4"-5
    Acme
    311:10.2"Acme Class 2G
    SAE Grade 2
    Rockwell B6153,000ASTM A10898935A52900000
    1 1/4"-5
    Acme
    611:10.2"Acme Class 2G
    SAE Grade 2
    Rockwell B6153,000ASTM A10898935A530000000
    1 3/8"-4
    Acme
    311:10.25"Acme Class 2G
    SAE Grade 2
    Rockwell B6153,000ASTM A10898935A53900000
    1 3/8"-4
    Acme
    611:10.25"Acme Class 2G
    SAE Grade 2
    Rockwell B6153,000ASTM A10898935A540000000
    1 1/2"-4
    Acme
    311:10.25"Acme Class 2G
    SAE Grade 2
    Rockwell B6153,000ASTM A10898935A54900000
    1 1/2"-4
    Acme
    611:10.25"Acme Class 2G
    SAE Grade 2
    Rockwell B6153,000ASTM A10898935A550000000
    1 1/2"-5
    Acme
    311:10.2"Acme Class 2G
    SAE Grade 2
    Rockwell B6153,000ASTM A10898935A55400000
    1 1/2"-5
    Acme
    611:10.2"Acme Class 2G
    SAE Grade 2
    Rockwell B6164,000ASTM A10898935A555000000
    2"-4
    Acme
    311:10.25"Acme Class 2G
    SAE Grade 2
    Rockwell B6153,000ASTM A10898935A559000000
    2"-4
    Acme
    611:10.25"Acme Class 2G
    SAE Grade 2
    Rockwell B6153,000ASTM A10898935A560000000
     
    Alloy Steel
    1/4"-16
    Acme
    311:10.063"Acme Class 2G
    ASTM Grade B7
    Rockwell C35125,000ASTM A193
    93410A40400000
    1/4"-16
    Acme
    611:10.063"Acme Class 2G
    ASTM Grade B7
    Rockwell C35125,000ASTM A193
    93410A40500000
    3/8"-8
    Stub Acme311:10.125"Acme Class 2G
    ASTM Grade B7
    Rockwell C35125,000ASTM A193
    93410A40900000
    3/8"-8
    Stub Acme611:10.125"Acme Class 2G
    ASTM Grade B7
    Rockwell C35125,000ASTM A193
    93410A41000000
    3/8"-10
    Stub Acme311:10.1"Acme Class 2G
    ASTM Grade B7
    Rockwell C35125,000ASTM A193
    93410A41100000
    3/8"-10
    Stub Acme611:10.1"Acme Class 2G
    ASTM Grade B7
    Rockwell C35125,000ASTM A193
    93410A41200000
    3/8"-12
    Acme
    311:10.083"Acme Class 2G
    ASTM Grade B7
    Rockwell C35125,000ASTM A193
    93410A41400000
    3/8"-12
    Acme
    611:10.083"Acme Class 2G
    ASTM Grade B7
    Rockwell C35125,000ASTM A193
    93410A415000000
    1/2"-8
    Acme
    311:10.125"Acme Class 2G
    ASTM Grade B7
    Rockwell C35125,000ASTM A193
    93410A41900000
    1/2"-8
    Acme
    611:10.125"Acme Class 2G
    ASTM Grade B7
    Rockwell C35125,000ASTM A193
    93410A420000000
    1/2"-10
    Acme
    311:10.1"Acme Class 2G
    ASTM Grade B7
    Rockwell C35125,000ASTM A193
    93410A42400000
    1/2"-10
    Acme
    611:10.1"Acme Class 2G
    ASTM Grade B7
    Rockwell C35125,000ASTM A193
    93410A425000000
    5/8"-6
    Acme
    311:10.167"Acme Class 2G
    ASTM Grade B7
    Rockwell C35125,000ASTM A193
    93410A429000000
    5/8"-6
    Acme
    611:10.167"Acme Class 2G
    ASTM Grade B7
    Rockwell C35125,000ASTM A193
    93410A430000000
    5/8"-8
    Acme
    311:10.125"Acme Class 2G
    ASTM Grade B7
    Rockwell C35125,000ASTM A193
    93410A43400000
    5/8"-8
    Acme
    611:10.125"Acme Class 2G
    ASTM Grade B7
    Rockwell C35125,000ASTM A193
    93410A435000000
    3/4"-5
    Acme
    311:10.2"Acme Class 2G
    ASTM Grade B7
    Rockwell C35125,000ASTM A193
    93410A44400000
    3/4"-5
    Acme
    611:10.2"Acme Class 2G
    ASTM Grade B7
    Rockwell C35125,000ASTM A193
    93410A445000000
    3/4"-6
    Acme
    311:10.167"Acme Class 2G
    ASTM Grade B7
    Rockwell C35125,000ASTM A193
    93410A45400000
    3/4"-6
    Acme
    611:10.167"Acme Class 2G
    ASTM Grade B7
    Rockwell C35125,000ASTM A193
    93410A455000000
    3/4"-8
    Acme
    311:10.125"Acme Class 2G
    ASTM Grade B7
    Rockwell C35125,000ASTM A193
    93410A44900000
    3/4"-8
    Acme
    611:10.125"Acme Class 2G
    ASTM Grade B7
    Rockwell C35125,000ASTM A193
    93410A450000000
    7/8"-6
    Acme
    311:10.167"Acme Class 2G
    ASTM Grade B7
    Rockwell C35125,000ASTM A193
    93410A464000000
    7/8"-6
    Acme
    611:10.167"Acme Class 2G
    ASTM Grade B7
    Rockwell C35125,000ASTM A193
    93410A465000000
    1"-4
    Acme
    311:10.25"Acme Class 2G
    ASTM Grade B7
    Rockwell C35125,000ASTM A193
    93410A469000000
    1"-4
    Acme
    611:10.25"Acme Class 2G
    ASTM Grade B7
    Rockwell C35125,000ASTM A193
    93410A470000000
    1"-5
    Acme
    311:10.2"Acme Class 2G
    ASTM Grade B7
    Rockwell C35125,000ASTM A193
    93410A474000000
    1"-5
    Acme
    611:10.2"Acme Class 2G
    ASTM Grade B7
    Rockwell C35125,000ASTM A193
    93410A475000000
    1"-6
    Acme
    311:10.167"Acme Class 2G
    ASTM Grade B7
    Rockwell C35125,000ASTM A193
    93410A48400000
    1"-6
    Acme
    611:10.167"Acme Class 2G
    ASTM Grade B7
    Rockwell C35125,000ASTM A193
    93410A485000000
    1"-8
    Acme
    311:10.125"Acme Class 2G
    ASTM Grade B7
    Rockwell C35125,000ASTM A193
    93410A489000000
    1"-8
    Acme
    611:10.125"Acme Class 2G
    ASTM Grade B7
    Rockwell C35125,000ASTM A193
    93410A490000000
    1"-10
    Acme
    311:10.1"Acme Class 2G
    ASTM Grade B7
    Rockwell C35125,000ASTM A193
    93410A494000000
    1"-10
    Acme
    611:10.1"Acme Class 2G
    ASTM Grade B7
    Rockwell C35125,000ASTM A193
    93410A495000000
    1 1/8"-5
    Acme
    311:10.2"Acme Class 2G
    ASTM Grade B7
    Rockwell C35125,000ASTM A193
    93410A504000000
    1 1/8"-5
    Acme
    611:10.2"Acme Class 2G
    ASTM Grade B7
    Rockwell C35125,000ASTM A193
    93410A505000000
    1 1/4"-4
    Acme
    311:10.25"Acme Class 2G
    ASTM Grade B7
    Rockwell C35125,000ASTM A193
    93410A524000000
    1 1/4"-4
    Acme
    611:10.25"Acme Class 2G
    ASTM Grade B7
    Rockwell C35125,000ASTM A193
    93410A525000000
    1 1/4"-5
    Acme
    311:10.2"Acme Class 2G
    ASTM Grade B7
    Rockwell C35125,000ASTM A193
    93410A534000000
    1 1/4"-5
    Acme
    611:10.2"Acme Class 2G
    ASTM Grade B7
    Rockwell C35125,000ASTM A193
    93410A535000000
    1 3/8"-4
    Acme
    311:10.25"Acme Class 2G
    ASTM Grade B7
    Rockwell C35125,000ASTM A193
    93410A544000000
    1 3/8"-4
    Acme
    611:10.25"Acme Class 2G
    ASTM Grade B7
    Rockwell C35125,000ASTM A193
    93410A545000000
    1 1/2"-4
    Acme
    311:10.25"Acme Class 2G
    ASTM Grade B7
    Rockwell C35125,000ASTM A193
    93410A554000000
    1 1/2"-4
    Acme
    611:10.25"Acme Class 2G
    ASTM Grade B7
    Rockwell C35125,000ASTM A193
    93410A555000000
    1 1/2"-5
    Acme
    311:10.2"Acme Class 2G
    ASTM Grade B7
    Rockwell C35125,000ASTM A193
    93410A556000000
    1 1/2"-5
    Acme
    611:10.2"Acme Class 2G
    ASTM Grade B7
    Rockwell C35125,000ASTM A193
    93410A557000000
    2"-4
    Acme
    311:10.25"Acme Class 2G
    ASTM Grade B7
    Rockwell C35125,000ASTM A193
    93410A564000000
    2"-4
    Acme
    611:10.25"Acme Class 2G
    ASTM Grade B7
    Rockwell C35125,000ASTM A193
    93410A565000000
     
    Coupling Nuts—Left-Hand Thread
    Image of Product. Front orientation. Lead Screws and Nuts. Acme Lead Screws and Nuts, Coupling Nuts—Left-Hand Thread.
    Coupling nuts connect two lead screws.
    Carbon Steel—Carbon steel components are easier to machine than alloy steel components.
    Travel Distance per Turn—Travel distance per turn, also known as screw lead, is the distance a nut or handle moves with one revolution of the lead screw.
    Thread
    Size
    Thread
    Type
    Ht.
    Wd.
    No. of Thread
    Starts
    Speed
    Ratio
    Travel Distance
    per Turn
    Thread Fit
    Hardness
    Tensile
    Strength
    Each
    Carbon Steel
    1/2"-10
    Acme
    1 1/4"5/8"11:10.1"Acme Class 2G
    Rockwell B75Not Rated93026A648000000
    5/8"-8
    Acme
    2 1/8"7/8"11:10.125"Acme Class 2G
    Rockwell B75Not Rated93026A65100000
    3/4"-5
    Acme
    2 1/4"1"11:10.2"Acme Class 2G
    Rockwell B75Not Rated93026A65300000
    3/4"-6
    Acme
    2 1/4"1"11:10.167"Acme Class 2G
    Rockwell B75Not Rated93026A65200000
    7/8"-6
    Acme
    2 1/2"1 1/4"11:10.167"Acme Class 2G
    Rockwell B75Not Rated93026A30400000
    1"-5
    Acme
    2 3/4"1 3/8"11:10.2"Acme Class 2G
    Rockwell B75Not Rated93026A65500000
    1"-6
    Acme
    2 3/4"1 3/8"11:10.167"Acme Class 2G
    Rockwell B75Not Rated93026A65400000
    1"-10
    Acme
    2 3/4"1 3/8"11:10.1"Acme Class 2G
    Rockwell B75Not Rated93026A30800000
    1 1/8"-5
    Acme
    3"1 1/2"11:10.2"Acme Class 2G
    Rockwell B75Not Rated93026A65600000
    1 1/4"-4
    Acme
    3"1 5/8"11:10.25"Acme Class 2G
    Rockwell B75Not Rated93026A65800000
    1 1/4"-5
    Acme
    3"1 5/8"11:10.2"Acme Class 2G
    Rockwell B75Not Rated93026A65700000
    1 3/8"-4
    Acme
    3 1/4"1 7/8"11:10.25"Acme Class 2G
    Rockwell B75Not Rated93026A31300000
    1 1/2"-4
    Acme
    3 1/2"2"11:10.25"Acme Class 2G
    Rockwell B75Not Rated93026A659000000
    2"-4
    Acme
    4"3"11:10.25"Acme Class 2G
    Rockwell B75Not Rated93026A318000000
     
    Flange Nuts—Left-Hand Thread
    Image of Product. Top orientation. Contains Annotated. Lead Screws and Nuts. Acme Lead Screws and Nuts, Flange Nuts—Left-Hand Thread.
    Flange nuts move objects along the length of a lead screw. Flange nuts have a wide machinable flange for custom mounting.
    932 Bearing Bronze—932 bearing bronze components are more wear resistant than brass components. They have good machinability and fair corrosion resistance.
    Travel Distance per Turn—Travel distance per turn, also known as screw lead, is the distance a nut or handle moves with one revolution of the lead screw.
    Flange
    Thread
    Size
    Thread
    Type
    Ht.
    Dia.
    Dia.
    Thk.
    No. of Thread
    Starts
    Speed
    Ratio
    Travel Distance
    per Turn
    Thread Fit
    Hardness
    Tensile
    Strength
    Each
    932 Bearing Bronze
    1/2"-10
    Acme
    1"3/4"1 1/4"1/8"11:10.1"Acme Class 2G
    Not RatedNot Rated95120A5110000000
    5/8"-8
    Acme
    1 1/4"7/8"1 1/2"1/4"11:10.125"Acme Class 2G
    Not RatedNot Rated95120A519000000
    3/4"-5
    Acme
    1 1/2"1"2"3/8"11:10.2"Acme Class 2G
    Not RatedNot Rated95120A523000000
    3/4"-6
    Acme
    1 1/2"1"2"3/8"11:10.167"Acme Class 2G
    Not RatedNot Rated95120A527000000
    7/8"-6
    Acme
    1 3/4"1 1/4"2 1/4"1/2"11:10.167"Acme Class 2G
    Not RatedNot Rated95120A543000000
    1"-5
    Acme
    2"1 1/2"2 1/2"1/2"11:10.2"Acme Class 2G
    Not RatedNot Rated95120A551000000
    1"-6
    Acme
    2"1 1/2"2 1/2"1/2"11:10.167"Acme Class 2G
    Not RatedNot Rated95120A555000000
    1 1/8"-5
    Acme
    2 1/4"1 3/4"2 3/4"5/8"11:10.2"Acme Class 2G
    Not RatedNot Rated95120A567000000
    1 1/4"-4
    Acme
    2 1/2"2"3"3/4"11:10.25"Acme Class 2G
    Not RatedNot Rated95120A571000000
    1 1/4"-5
    Acme
    2 1/2"2"3"3/4"11:10.2"Acme Class 2G
    Not RatedNot Rated95120A575000000
    1 1/2"-4
    Acme
    3"2 1/2"3 1/2"3/4"11:10.25"Acme Class 2G
    Not RatedNot Rated95120A583000000
    2"-4
    Acme
    4"3"4"1"11:10.25"Acme Class 2G
    Not RatedNot Rated95120A591000000
     
    Round Nuts—Left-Hand Thread
    Image of Product. Front orientation. Lead Screws and Nuts. Acme Lead Screws and Nuts, Round Nuts—Left-Hand Thread.
    Round nuts move objects along the length of a lead screw.
    Cast Iron—Cast iron components have good machinability and high strength.
    360 Brass—360 brass components have excellent machinability and good corrosion resistance.
    932 Bearing Bronze—932 bearing bronze components are more wear resistant than brass components. They have good machinability and fair corrosion resistance.
    Travel Distance per Turn—Travel distance per turn, also known as screw lead, is the distance a nut or handle moves with one revolution of the lead screw.
    Thread
    Size
    Thread
    Type
    Ht.
    Dia.
    No. of Thread
    Starts
    Speed
    Ratio
    Travel Distance
    per Turn
    Thread Fit
    Hardness
    Tensile
    Strength
    Specs.
    Met
    Each
    Cast Iron
    1/2"-10
    Acme
    1"1 15/32"11:10.1"Acme Class 2G
    Rockwell B96Not Rated95080A403000000
    5/8"-8
    Acme
    1 1/4"1 55/64"11:10.125"Acme Class 2G
    Rockwell B96Not Rated95080A40800000
    3/4"-5
    Acme
    1 1/2"2 15/64"11:10.2"Acme Class 2G
    Rockwell B96Not Rated95080A41200000
    3/4"-6
    Acme
    1 1/2"2 15/64"11:10.167"Acme Class 2G
    Rockwell B96Not Rated95080A41300000
    1"-5
    Acme
    2"2 63/64"11:10.2"Acme Class 2G
    Rockwell B96Not Rated95080A422000000
     
    360 Brass
    1/2"-10
    Acme
    1/2"7/8"11:10.1"Acme Class 2G
    Rockwell B55Not RatedASTM B1695100A4030000
    5/8"-8
    Acme
    5/8"1"11:10.125"Acme Class 2G
    Rockwell B55Not RatedASTM B1695100A40500000
    3/4"-5
    Acme
    3/4"1 1/4"11:10.2"Acme Class 2G
    Rockwell B55Not RatedASTM B1695100A40700000
    3/4"-6
    Acme
    3/4"1 1/4"11:10.167"Acme Class 2G
    Rockwell B55Not RatedASTM B1695100A40900000
    7/8"-6
    Acme
    7/8"1 1/2"11:10.167"Acme Class 2G
    Rockwell B55Not RatedASTM B1695100A41700000
    1"-5
    Acme
    1"1 5/8"11:10.2"Acme Class 2G
    Rockwell B55Not RatedASTM B1695100A41900000
    1"-6
    Acme
    1"1 5/8"11:10.167"Acme Class 2G
    Rockwell B55Not RatedASTM B1695100A42100000
    1"-10
    Acme
    1"1 5/8"11:10.1"Acme Class 2G
    Rockwell B55Not RatedASTM B1695100A42300000
    1 1/4"-5
    Acme
    1 1/4"2"11:10.2"Acme Class 2G
    Rockwell B55Not RatedASTM B1695100A42700000
     
    932 Bearing Bronze
    1/2"-10
    Acme
    29/32"29/32"11:10.1"Acme Class 2G
    Not RatedNot RatedASTM B50595090A40400000
    5/8"-8
    Acme
    1 1/32"1 9/32"11:10.125"Acme Class 2G
    Not RatedNot RatedASTM B50595090A40800000
    3/4"-5
    Acme
    1 9/32"1 13/32"11:10.2"Acme Class 2G
    Not RatedNot RatedASTM B50595090A41200000
    3/4"-6
    Acme
    1 9/32"1 13/32"11:10.167"Acme Class 2G
    Not RatedNot RatedASTM B50595090A41700000
    1"-5
    Acme
    1 17/32"1 21/32"11:10.2"Acme Class 2G
    Not RatedNot RatedASTM B50595090A42700000
    1 1/4"-5
    Acme
    2 1/64"2 5/32"11:10.2"Acme Class 2G
    Not RatedNot RatedASTM B50595090A42900000
     
    Hex Nuts—Left-Hand Thread
    Image of Product. Front orientation. Lead Screws and Nuts. Acme Lead Screws and Nuts, Hex Nuts—Left-Hand Thread.
    Hex nuts fasten and position lead screw components.
    Carbon Steel—Carbon steel components are easier to machine than alloy steel components.
    Zinc-Plated Carbon Steel—Zinc-plated carbon steel components have mild corrosion resistance and are easier to machine than alloy steel components.
    360 Brass—360 brass components have excellent machinability and good corrosion resistance.
    18-8 Stainless Steel—18-8 stainless steel components have good corrosion resistance.
    Travel Distance per Turn—Travel distance per turn, also known as screw lead, is the distance a nut or handle moves with one revolution of the lead screw.
    Thread
    Size
    Thread
    Type
    Ht.
    Wd.
    No. of Thread
    Starts
    Speed
    Ratio
    Travel Distance
    per Turn
    Thread Fit
    Fastener Strength
    Grade/Class
    Hardness
    Tensile Strength,
    psi
    Specs.
    Met
    Each
    Carbon Steel
    1/4"-16
    Acme
    15/64"1/2"11:10.063"Acme Class 2G
    SAE Grade 2
    Rockwell B8564,00091808A00900000
    3/8"-8
    Stub Acme23/64"11/16"11:10.125"Acme Class 2G
    SAE Grade 2
    Rockwell B8564,00091808A0140000
    3/8"-10
    Stub Acme23/64"11/16"11:10.1"Acme Class 2G
    SAE Grade 2
    Rockwell B8564,00091808A0190000
    3/8"-12
    Acme
    23/64"11/16"11:10.083"Acme Class 2G
    SAE Grade 2
    Rockwell B8564,00091808A1060000
    1/2"-8
    Acme
    31/64"7/8"11:10.125"Acme Class 2G
    SAE Grade 2
    Rockwell B8564,00091808A0230000
    1/2"-10
    Acme
    31/64"7/8"11:10.1"Acme Class 2G
    SAE Grade 2
    Rockwell B8564,00091808A1070000
    5/8"-6
    Acme
    39/64"1 1/16"11:10.167"Acme Class 2G
    SAE Grade 2
    Rockwell B8564,00091808A0270000
    5/8"-8
    Acme
    39/64"1 1/16"11:10.125"Acme Class 2G
    SAE Grade 2
    Rockwell B8564,00091808A1080000
    3/4"-5
    Acme
    47/64"1 1/4"11:10.2"Acme Class 2G
    SAE Grade 2
    Rockwell B8564,00091808A1170000
    3/4"-6
    Acme
    47/64"1 1/4"11:10.167"Acme Class 2G
    SAE Grade 2
    Rockwell B8564,00091808A1090000
    3/4"-8
    Acme
    47/64"1 1/4"11:10.125"Acme Class 2G
    SAE Grade 2
    Rockwell B8564,00091808A0460000
    7/8"-6
    Acme
    55/64"1 7/16"11:10.167"Acme Class 2G
    SAE Grade 2
    Rockwell B8564,00091808A12000000
    1"-4
    Acme
    63/64"1 5/8"11:10.25"Acme Class 2G
    SAE Grade 2
    Rockwell B8564,00091808A05400000
    1"-5
    Acme
    63/64"1 5/8"11:10.2"Acme Class 2G
    SAE Grade 2
    Rockwell B8564,00091808A1100000
    1"-6
    Acme
    63/64"1 5/8"11:10.167"Acme Class 2G
    SAE Grade 2
    Rockwell B8564,00091808A1110000
    1"-8
    Acme
    63/64"1 5/8"11:10.125"Acme Class 2G
    SAE Grade 2
    Rockwell B8564,00091808A06600000
    1"-10
    Acme
    63/64"1 5/8"11:10.1"Acme Class 2G
    SAE Grade 2
    Rockwell B8564,00091808A1210000
    1 1/8"-5
    Acme
    1 7/64"1 13/16"11:10.2"Acme Class 2G
    SAE Grade 2
    Rockwell B8564,00091808A11900000
    1 1/4"-4
    Acme
    1 7/32"2"11:10.25"Acme Class 2G
    SAE Grade 2
    Rockwell B8564,00091808A11800000
    1 1/4"-5
    Acme
    1 7/32"2"11:10.2"Acme Class 2G
    SAE Grade 2
    Rockwell B8564,00091808A11200000
    1 3/8"-4
    Acme
    1 11/32"2 3/16"11:10.25"Acme Class 2G
    SAE Grade 2
    Rockwell B8564,00091808A12200000
    1 1/2"-4
    Acme
    1 15/32"2 3/8"11:10.25"Acme Class 2G
    SAE Grade 2
    Rockwell B8564,00091808A11300000
    1 1/2"-5
    Acme
    1 1/2"2 3/8"11:10.2"Acme Class 2G
    SAE Grade 2
    Rockwell B8564,00091808A12300000
    2"-4
    Acme
    2"3"11:10.25"Acme Class 2G
    SAE Grade 2
    Rockwell B8564,00091808A11400000
     
    Zinc-Plated Carbon Steel
    1/2"-10
    Acme
    1/2"7/8"11:10.1"Acme Class 2G
    Rockwell B75Not Rated98948A13000000
    5/8"-8
    Acme
    5/8"1"11:10.125"Acme Class 2G
    Rockwell B75Not Rated98948A14000000
    3/4"-6
    Acme
    3/4"1 1/4"11:10.167"Acme Class 2G
    Rockwell B75Not Rated98948A15000000
    1"-5
    Acme
    1"1 5/8"11:10.2"Acme Class 2G
    Rockwell B75Not Rated98948A17000000
    1 1/4"-5
    Acme
    1 1/4"2"11:10.2"Acme Class 2G
    Rockwell B75Not Rated98948A22000000
     
    360 Brass
    1/2"-10
    Acme
    1/2"7/8"11:10.1"Acme Class 2G
    Rockwell B75Not RatedASTM B1695155A3140000
    5/8"-8
    Acme
    5/8"1"11:10.125"Acme Class 2G
    Rockwell B75Not RatedASTM B1695155A31900000
    3/4"-5
    Acme
    3/4"1 1/4"11:10.2"Acme Class 2G
    Rockwell B75Not RatedASTM B1695155A32300000
    3/4"-6
    Acme
    3/4"1 1/4"11:10.167"Acme Class 2G
    Rockwell B75Not RatedASTM B1695155A32700000
    7/8"-6
    Acme
    7/8"1 1/2"11:10.167"Acme Class 2G
    Rockwell B75Not RatedASTM B1695155A34300000
    1"-5
    Acme
    1"1 5/8"11:10.2"Acme Class 2G
    Rockwell B75Not RatedASTM B1695155A34700000
    1"-6
    Acme
    1"1 5/8"11:10.167"Acme Class 2G
    Rockwell B75Not RatedASTM B1695155A35100000
    1"-10
    Acme
    1"1 5/8"11:10.1"Acme Class 2G
    Rockwell B75Not RatedASTM B1695155A35500000
    1 1/8"-5
    Acme
    1 1/8"1 3/4"11:10.2"Acme Class 2G
    Rockwell B75Not RatedASTM B1695155A35900000
    1 1/4"-5
    Acme
    1 1/4"2"11:10.2"Acme Class 2G
    Rockwell B75Not RatedASTM B1695155A36300000
    1 1/2"-4
    Acme
    1 1/2"2 1/4"11:10.25"Acme Class 2G
    Rockwell B75Not RatedASTM B1695155A36700000
    2"-4
    Acme
    2"3"11:10.25"Acme Class 2G
    Rockwell B75Not RatedASTM B1695155A371000000
     
    18-8 Stainless Steel
    1/4"-16
    Acme
    15/64"1/2"11:10.063"Acme Class 2G
    Rockwell B97Not Rated95066A30500000
    3/8"-8
    Stub Acme23/64"11/16"11:10.125"Acme Class 2G
    Rockwell B97Not Rated95066A35500000
    3/8"-10
    Stub Acme23/64"11/16"11:10.1"Acme Class 2G
    Rockwell B97Not Rated95066A35700000
    3/8"-12
    Acme
    23/64"11/16"11:10.083"Acme Class 2G
    Not RatedNot Rated95066A40800000
    1/2"-8
    Acme
    31/64"7/8"11:10.125"Acme Class 2G
    Rockwell B97Not Rated95066A36600000
    1/2"-10
    Acme
    31/64"7/8"11:10.1"Acme Class 2G
    Not RatedNot Rated95066A41200000
    5/8"-6
    Acme
    39/64"1 1/16"11:10.167"Acme Class 2G
    Rockwell B97Not Rated95066A37100000
    5/8"-8
    Acme
    39/64"1 1/16"11:10.125"Acme Class 2G
    Not RatedNot Rated95066A41300000
    3/4"-5
    Acme
    47/64"1 1/4"11:10.2"Acme Class 2G
    Not RatedNot Rated95066A41400000
    3/4"-6
    Acme
    47/64"1 1/4"11:10.167"Acme Class 2G
    Not RatedNot Rated95066A41700000
    3/4"-8
    Acme
    47/64"1 1/4"11:10.125"Acme Class 2G
    Rockwell B97Not Rated95066A38300000
    7/8"-6
    Acme
    55/64"1 1/2"11:10.167"Acme Class 2G
    Not RatedNot Rated95066A42600000
    1"-4
    Acme
    63/64"1 5/8"11:10.25"Acme Class 2G
    Rockwell B97Not Rated95066A38900000
    1"-5
    Acme
    63/64"1 5/8"11:10.2"Acme Class 2G
    Not RatedNot Rated95066A41500000
    1"-6
    Acme
    63/64"1 5/8"11:10.167"Acme Class 2G
    Not RatedNot Rated95066A41800000
     
    Square Nuts—Left-Hand Thread
    Image of Product. Front orientation. Lead Screws and Nuts. Acme Lead Screws and Nuts, Square Nuts—Left-Hand Thread.
    Square nuts fasten and position lead screw components. Square nuts have large sides, which make them easier to grip with a wrench than hex nuts and keep them from rotating in channels and square holes.
    360 Brass—360 brass components have excellent machinability and good corrosion resistance.
    Travel Distance per Turn—Travel distance per turn, also known as screw lead, is the distance a nut or handle moves with one revolution of the lead screw.
    Thread
    Size
    Thread
    Type
    Ht.
    Wd.
    No. of Thread
    Starts
    Speed
    Ratio
    Travel Distance
    per Turn
    Thread Fit
    Hardness
    Tensile
    Strength
    Specs.
    Met
    Each
    360 Brass
    3/8"-12
    Acme
    3/8"3/4"11:10.083"Acme Class 2G
    Rockwell B55Not RatedASTM B1695270A51100000
    1/2"-10
    Acme
    1/2"7/8"11:10.1"Acme Class 2G
    Rockwell B55Not RatedASTM B1695270A51400000
    5/8"-8
    Acme
    5/8"1"11:10.125"Acme Class 2G
    Rockwell B55Not RatedASTM B1695270A51900000
    3/4"-5
    Acme
    3/4"1 1/4"11:10.2"Acme Class 2G
    Rockwell B55Not RatedASTM B1695270A52300000
    3/4"-6
    Acme
    3/4"1 1/4"11:10.167"Acme Class 2G
    Rockwell B55Not RatedASTM B1695270A52700000
    7/8"-6
    Acme
    7/8"1 1/2"11:10.167"Acme Class 2G
    Rockwell B55Not RatedASTM B1695270A54300000
    1"-5
    Acme
    1"1 5/8"11:10.2"Acme Class 2G
    Rockwell B55Not RatedASTM B1695270A54700000
    1"-6
    Acme
    1"1 5/8"11:10.167"Acme Class 2G
    Rockwell B55Not RatedASTM B1695270A55100000
    1"-10
    Acme
    1"1 5/8"11:10.1"Acme Class 2G
    Rockwell B55Not RatedASTM B1695270A55500000
    1 1/4"-5
    Acme
    1 1/4"2"11:10.2"Acme Class 2G
    Rockwell B55Not RatedASTM B1695270A56300000
    1 1/2"-4
    Acme
    1 1/2"2 1/4"11:10.25"Acme Class 2G
    Rockwell B55Not RatedASTM B1695270A56700000
     
    back to top