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    47 Products

    Hex-Head Gripper Screws

    Make quick height adjustments by turning the threaded stud. Screw these grippers into place from above and clamp against them. The serrations penetrate the workpiece surface to hold uneven or irregularly shaped parts.
    Hex with Threaded Stud
    Image of Attribute. Top orientation. Contains Annotated. Hex-Head Gripper Screws.
    Image of Attribute. Front orientation. Contains Annotated. Hex-Head Gripper Screws.
    Image of Specification. Front orientation. ZoomedIn view. Contains Border. Extra-Fine Serrations.

    Extra-Fine

    Serrations

    Image of Specification. Front orientation. ZoomedIn view. Contains Border. Fine Serrations.

    Fine Serrations

    Extra-Fine Serrations—Extra-fine serrations are closer together than fine serrations for less penetration and a lighter hold on the workpiece.
    Fine Serrations—Fine serrations penetrate the workpiece for aggressive holding.
    Thread
    Head
    Size
    Lg.
    Spacing
    Dia.
    Ht.
    Ht.
    Wd.
    Material
    Each
    Extra-Fine Serrations
    1/4"-20
    		1/2"Coarse
    		5/16"45/64"13/64"7/16"Carbide-Tipped Steel8523A1100000
    1/4"-20
    		1"Coarse
    		5/16"1 13/64"13/64"7/16"Carbide-Tipped Steel8523A1200000
    5/16"-18
    		1/2"Coarse
    		3/8"3/4"1/4"1/2"Carbide-Tipped Steel8523A510000
    5/16"-18
    		1"Coarse
    		3/8"1 1/4"1/4"1/2"Carbide-Tipped Steel8523A5200000
    3/8"-16
    		1/2"Coarse
    		1/2"25/32"9/32"9/16"Carbide-Tipped Steel8523A5400000
    3/8"-16
    		1"Coarse
    		1/2"1 9/32"9/32"9/16"Carbide-Tipped Steel8523A5500000
    1/2"-13
    		1"Coarse
    		5/8"1 23/64"23/64"3/4"Carbide-Tipped Steel8523A5700000
     
    Fine Serrations
    5/16"-18
    		1/2"Coarse
    		3/8"3/4"1/4"1/2"Carbide-Tipped Steel8523A310000
    5/16"-18
    		1"Coarse
    		3/8"1 1/4"1/4"1/2"Carbide-Tipped Steel8523A3200000
    3/8"-16
    		1/2"Coarse
    		1/2"25/32"9/32"9/16"Carbide-Tipped Steel8523A3400000
    3/8"-16
    		1"Coarse
    		1/2"1 9/32"9/32"9/16"Carbide-Tipped Steel8523A3500000
    3/8"-16
    		1 1/2"Coarse
    		1/2"1 25/32"9/32"9/16"Carbide-Tipped Steel8523A3600000
    1/2"-13
    		1"Coarse
    		5/8"1 23/64"23/64"3/4"Carbide-Tipped Steel8523A3700000
    1/2"-13
    		1 1/2"Coarse
    		5/8"1 55/64"23/64"3/4"Carbide-Tipped Steel8523A3800000
    5/8"-11
    		1"Coarse
    		3/4"1 7/16"7/16"15/16"Carbide-Tipped Steel8523A3900000
    5/8"-11
    		2"Coarse
    		3/4"2 7/16"7/16"15/16"Carbide-Tipped Steel8523A4100000
     

    Set-Screw Grippers

    Screw in from the top to adjust the height or mount from the bottom with a hex key to set the gripping surface flush with the work surface. Clamp against these grippers to maintain a secure hold on uneven or irregularly shaped parts.
    Round Threaded Stud
    Image of Product. Front orientation. Contains Annotated. Grippers. Set-Screw Grippers.
    Image of Specification. Front orientation. ZoomedIn view. Contains Border. Extra-Fine Serrations.
    Image of Specification. Front orientation. ZoomedIn view. Contains Border. Fine Serrations.
    Image of Specification. Hex Drive. Front orientation. ZoomedIn view. Contains Border. Hex Drive.

    Hex Drive

    Drive
    Thread
    Size
    Dia.
    Ht.
    Size
    Style
    Material
    Each
    Extra-Fine Serrations
    3/8"-16
    		1/4"1/2"3/16"Hex
    		Carbide-Tipped Steel4993A11000000
    3/8"-16
    		1/4"1"3/16"Hex
    		Carbide-Tipped Steel4993A1200000
    3/8"-16
    		1/4"2"3/16"Hex
    		Carbide-Tipped Steel4993A1300000
     
    Fine Serrations
    1/2"-13
    		3/8"1"1/4"Hex
    		Carbide-Tipped Steel4993A1400000
    1/2"-13
    		3/8"2"1/4"Hex
    		Carbide-Tipped Steel4993A1500000
    3/4"-10
    		1/2"2"3/8"Hex
    		Carbide-Tipped Steel4993A1700000
     

    Swivel-Tip Gripper Screws

    The serrated tip swivels to grip uneven and angled surfaces and the threaded stud lets you make quick height adjustments.
    Hex with Threaded Stud
    Image of Product. Front orientation. Contains Annotated. Grippers. Swivel-Tip Gripper Screws.
    Image of Specification. Front orientation. ZoomedIn view. Contains Border. Ultra-Fine Serrations.
    Image of Specification. Front orientation. ZoomedIn view. Contains Border. Extra-Fine Serrations.
    Image of Specification. Front orientation. ZoomedIn view. Contains Border. Fine Serrations.
    Ultra-Fine Serrations—Ultra-fine serrations are the most closely spaced for the lightest penetration of the workpiece.
    Extra-Fine Serrations—Extra-fine serrations are closer together for less penetration and a lighter hold on the workpiece.
    Fine Serrations—Fine serrations penetrate the workpiece for aggressive holding.
    Thread
    Head
    Size
    Lg.
    Dia.
    Ht.
    Ht.
    Wd.
    Range of
    Motion
    Load Cap.,
    lb.
    Material
    Tip
    Material
    Each
    Ultra-Fine Serrations
    10-32
    		1/2"5/32"3/4"1/4"3/8"28°1,150SteelSteel1577N11000000
    1/4"-20
    		1/2"1/4"13/16"5/16"7/16"28°2,400SteelSteel1577N1200000
     
    Extra-Fine Serrations
    5/16"-18
    		1/2"5/16"7/8"3/8"1/2"28°2,750SteelSteel1577N1300000
    3/8"-16
    		1/2"3/8"1"1/2"5/8"40°3,400SteelSteel1577N1400000
     
    Fine Serrations
    1/2"-13
    		1"1/2"1 5/8"5/8"13/16"40°5,900SteelSteel1577N1500000
    5/8"-11
    		1"5/8"1 11/16"11/16"15/16"34°9,900SteelSteel1577N1600000
     

    Swivel-Tip Set-Screw Grippers

    Image of Attribute. Front orientation. Contains Annotated. Grippers. Swivel-Tip Set-Screw Grippers.
    Grip angled and uneven surfaces with precision and ease. These grippers thread into either side of your fixture or plate. You can even position them so their serrations are flush with the surface. Adjust their height with a hex key. For a secure hold, clamp your workpiece against them.
    Round Threaded Stud
    Image of Specification. Front orientation. ZoomedIn view. Contains Border. Ultra-Fine Serrations.
    Image of Specification. Front orientation. ZoomedIn view. Contains Border. Extra-Fine Serrations.
    Image of Specification. Hex Drive. Front orientation. ZoomedIn view. Contains Border. Hex Drive.

    Ultra-Fine

    Serrations

    Extra-Fine

    Serrations

    Hex Drive

    Ultra-Fine Serrations—Ultra-fine serrations are the most closely spaced for the lightest penetration of the workpiece.
    Extra-Fine Serrations—Extra-fine serrations are a little farther apart than ultra-fine serrations, so they penetrate the workpiece slightly more for a firmer hold.
    Drive
    Thread
    Size
    Dia.
    Ht.
    Size
    Style
    Range of
    Motion
    Load Cap.,
    lb.
    Material
    Tip
    Material
    Each
    Ultra-Fine Serrations
    3/8"-16
    		5/32"1/2"3/16"Hex
    		28°1,700SteelSteel8175N11000000
    3/8"-16
    		5/32"1"3/16"Hex
    		28°1,700SteelSteel8175N1200000
    3/8"-16
    		5/32"2"3/16"Hex
    		28°1,700SteelSteel8175N1300000
     
    Extra-Fine Serrations
    5/8"-18
    		5/16"1"5/16"Hex
    		28°6,000SteelSteel8175N1400000
    5/8"-18
    		5/16"2"5/16"Hex
    		28°6,000SteelSteel8175N1500000
     

    Gripper Swivel Pads for Screws and Threaded Studs

    Image of Product. Front orientation. Swivel Pads. Gripper Swivel Pads for Screws and Threaded Studs.
    Image of Product. Bottom orientation. ZoomedIn view. Contains Border. Swivel Pads. Gripper Swivel Pads for Screws and Threaded Studs.
    Attach to the end of a screw or threaded stud—the serrated face swivels to grip uneven and angled surfaces. Also known as toggle and swivel-foot pads.
    Dia.
    Ht.
    Load Cap.,
    lb.
    Range of
    Motion
    Tip Material
    Mounting Hole
    Thread Size
    Each
    Steel
    5/8"5/8"3,90010°Steel1/4"-20
    		8955A2100000
    11/16"3/4"5,90010°Steel5/16"-18
    		8955A220000
    3/4"13/16"6,40010°Steel3/8"-16
    		8955A230000
    7/8"15/16"7,00010°Steel1/2"-13
    		8955A240000
    1"1"10,00010°Steel5/8"-11
    		8955A250000
    1 1/4"1 3/8"13,50010°Steel3/4"-10
    		8955A2600000
    1 5/8"1 13/16"18,75010°Steel1"-8
    		8955A2700000
     
    Stainless Steel
    5/8"5/8"5,00010°Stainless Steel
    		1/4"-20
    		89585A2100000
    11/16"3/4"7,60010°Stainless Steel
    		5/16"-18
    		89585A2200000
    3/4"13/16"8,25010°Stainless Steel
    		3/8"-16
    		89585A2300000
    7/8"15/16"9,00010°Stainless Steel
    		1/2"-13
    		89585A2400000
    1"1"12,90010°Stainless Steel
    		5/8"-11
    		89585A2500000
    1 1/4"1 3/8"17,40010°Stainless Steel
    		3/4"-10
    		89585A2600000
    1 5/8"1 13/16"24,20010°Stainless Steel
    		1"-8
    		89585A2700000
     
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