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    60 Products

    Clamping Acme Lead Screw Collars

    Image of Product. Front orientation. Lead Screw Collars. Clamping Acme Lead Screw Collars.
    Thread these one-piece collars onto an Acme lead screw to separate and position components, or use them as an end stop to limit travel. Tighten the clamping screw to secure.
    To ensure compatibility, please select a collar that has the same thread type, direction, size, and number of thread starts as your lead screw.
    Black-Oxide 1215 Carbon Steel and Black-Oxide 12L14 Carbon Steel—Black-oxide carbon steel collars have mild corrosion resistance.
    303 Stainless Steel—303 stainless steel collars have good corrosion resistance.
    Thread
    Size
    OD
    Wd.
    No. of Thread
    Starts
    Hardness
    Each
    Right-Hand Thread
     
    Black-Oxide 1215 Carbon Steel
    1/4"-16
    		5/8"9/32"1Brinell 167000000000000
    3/8"-16
    		7/8"11/32"1Brinell 167000000000000
    5/8"-10
    		1 5/16"7/16"1Brinell 167000000000000
    3/4"-10
    		1 1/2"1/2"1Brinell 167000000000000
    1"-4
    		1 3/4"1/2"1Brinell 167000000000000
    1"-10
    		1 3/4"1/2"1Brinell 167000000000000
     
    Black-Oxide 12L14 Carbon Steel
    3/8"-12
    		1 1/8"1/2"1Brinell 163000000000000
    7/16"-12
    		1 1/8"1/2"1Brinell 163000000000000
    1/2"-10
    		1 5/16"1/2"1Brinell 163000000000000
    5/8"-8
    		1 5/8"1/2"1Brinell 163000000000000
    3/4"-6
    		2"5/8"1Brinell 163000000000000
    7/8"-6
    		2 1/8"5/8"1Brinell 163000000000000
    1"-5
    		2 1/4"5/8"1Brinell 163000000000000
    1 1/8"-5
    		2 3/8"3/4"1Brinell 163000000000000
    1 1/4"-5
    		2 1/2"3/4"1Brinell 163000000000000
    1 1/2"-4
    		2 3/4"3/4"1Brinell 163000000000000
    2"-4
    		3 1/2"1"1Brinell 163000000000000
    2 1/2"-3
    		4"1"1Brinell 1630000000000000
     
    303 Stainless Steel
    1/4"-16
    		5/8"9/32"1Brinell 228000000000000
    3/8"-12
    		7/8"11/32"1Brinell 228000000000000
    3/8"-16
    		7/8"11/32"1Brinell 228000000000000
    1/2"-10
    		1 1/8"7/16"1Brinell 228000000000000
    5/8"-8
    		1 5/16"7/16"1Brinell 228000000000000
    5/8"-10
    		1 5/16"7/16"1Brinell 228000000000000
    3/4"-6
    		1 1/2"1/2"1Brinell 228000000000000
    3/4"-10
    		1 1/2"1/2"1Brinell 228000000000000
    1"-4
    		1 3/4"1/2"1Brinell 228000000000000
    1"-5
    		1 3/4"1/2"1Brinell 228000000000000
    1"-10
    		1 3/4"1/2"1Brinell 228000000000000
     
    Left-Hand Thread
     
    Black-Oxide 12L14 Carbon Steel
    1/2"-10
    		1 5/16"1/2"1Brinell 163000000000000
    3/4"-6
    		2"5/8"1Brinell 163000000000000
    1"-5
    		2 1/4"5/8"1Brinell 163000000000000
     

    Metric Clamping Lead Screw Collars

    Image of Product. Front orientation. Lead Screw Collars. Metric Clamping Lead Screw Collars.
    Thread these one-piece collars onto a metric lead screw to separate and position components, or use them as an end stop to limit travel. Made of black-oxide steel, they have mild corrosion resistance. Tighten the clamping screws to secure.
    To ensure compatibility, please select a collar that has the same thread type, direction, size, pitch, and number of thread starts as your lead screw.
    Thread
    Size
    OD,
    mm
    Wd.,
    mm
    No. of Thread
    Starts
    Hardness
    Each
    Right-Hand Thread
     
    Black-Oxide 1215 Carbon Steel
    M8 × 1.5 mm1891Brinell 16700000000000000
    M10 × 2 mm2491Brinell 167000000000000
    M12 × 3 mm28111Brinell 167000000000000
    M16 × 3 mm34131Brinell 167000000000000
    M16 × 4 mm34131Brinell 1670000000000000
    M20 × 4 mm40151Brinell 167000000000000
    M24 × 5 mm45151Brinell 1670000000000000
     

    Two-Piece Clamping Acme Lead Screw Collars

    Image of Product. Front orientation. Lead Screw Collars. Two-Piece Clamping Acme Lead Screw Collars.
    Mount these two-piece collars anywhere on an Acme lead screw without removing components. Use them to separate and position components or as an end stop to limit travel. Tighten the clamping screw to secure.
    To ensure compatibility, please select a collar that has the same thread type, direction, size, and number of thread starts as your lead screw.
    Black-Oxide 1215 Carbon Steel and Black-Oxide 12L14 Carbon Steel—Black-oxide carbon steel collars have mild corrosion resistance.
    303 Stainless Steel—303 stainless steel collars have good corrosion resistance.
    Thread
    Size
    OD
    Wd.
    No. of Thread
    Starts
    Hardness
    Each
    Right-Hand Thread
     
    Black-Oxide 1215 Carbon Steel
    1/4"-16
    		5/8"9/32"1Brinell 1670000000000000
    3/8"-16
    		7/8"11/32"1Brinell 167000000000000
    5/8"-10
    		1 5/16"7/16"1Brinell 167000000000000
    3/4"-10
    		1 1/2"1/2"1Brinell 167000000000000
    1"-4
    		1 3/4"1/2"1Brinell 167000000000000
    1"-10
    		1 3/4"1/2"1Brinell 167000000000000
    1 1/4"-5
    		2 1/16"1/2"1Brinell 167000000000000
    1 1/2"-4
    		2 3/8"9/16"1Brinell 167000000000000
     
    Black-Oxide 12L14 Carbon Steel
    3/8"-12
    		1 1/8"1/2"1Brinell 163000000000000
    1/2"-10
    		1 5/16"1/2"1Brinell 163000000000000
    5/8"-8
    		1 5/8"1/2"1Brinell 163000000000000
    3/4"-6
    		2"5/8"1Brinell 163000000000000
    1"-5
    		2 1/4"5/8"1Brinell 163000000000000
     
    303 Stainless Steel
    1/2"-10
    		1 1/8"13/32"1Brinell 228000000000000
    3/4"-6
    		1 1/2"1/2"1Brinell 228000000000000
    1"-5
    		1 3/4"1/2"1Brinell 228000000000000
     

    Bearing Nuts

    Image of Product. Front orientation. Bearing Nuts. Bearing Nuts, Carbon Steel, Chamfered Face.

    Carbon Steel

    Chamfered Face

    Often paired with spring lock washers to strengthen their hold, these bearing nuts—also known as shaft nuts—keep vibration from shifting bearings, bushings, pulleys, and gears on your threaded shaft or spindle. They have slotted sides, so you can tighten and loosen them with a spanner wrench or spanner socket.
    Carbon Steel—Carbon steel bearing nuts are strong and resist wear.
    Chamfered Face—Chamfered-face bearing nuts weigh less and produce less heat than stepped-face nuts.
    ISO 2982— Some chamfered-face bearing nuts meet ISO 2982 (formerly DIN 981), an international standard for bearing locknut dimensions. Their sizes correspond to SKF KM series. Use them with DIN 5406 spring lock washers.
    Thread Spacing—When choosing your thread spacing, consider the precision of your application. The finer the threads, the more control you have when making adjustments.
    Nuts
    Bearing
    Lock Washers
    Thread
    Size
    Spacing
    OD,
    mm
    Wd.,
    mm
    Specs. Met
    For Lock Washer
    Specs. Met
    Each
    Each
    Carbon Steel
     
    Chamfered Face
    M220 × 4 mmExtra Fine
    		28032DIN 981, ISO 2982DIN 5406000000000000000000000000000000
    M240 × 4 mmExtra Fine
    		30034DIN 981, ISO 2982DIN 54060000000000000———0
    M260 × 4 mmExtra Fine
    		33036DIN 981, ISO 2982DIN 54060000000000000———0
    M280 × 4 mmExtra Fine
    		35038DIN 981, ISO 2982DIN 54060000000000000———0
     
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