System of Measurement System of Measurement |
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Thread Size Thread Size | Show |
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Thread Size Thread Size | Hide |
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DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense AcquisitionRegulations Supplement) |
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Width Width |
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REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) REACH (Registration,Evaluation, Authorization and Restriction of Chemicals) |
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RoHS (Restriction of Hazardous Substances) RoHS (Restriction ofHazardous Substances) |
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Number of Mounting Holes Number of Mounting Holes |
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Screw Material Screw Material |
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Drive Size Drive Size |
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Length Length |
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Actuation Style Actuation Style |
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Maximum Clamp Expansion Maximum Clamp Expansion |
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Flange OD Flange OD |
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Inside Diameter Fixture Clamps




Secure a workpiece from the inside diameter, leaving the outside clear for machining. Machine these clamps to match the precise size and contours of your workpiece ID. Mount the clamp to your fixture with the included screws and place your workpiece over it. Turn the socket head cap screw to expand the clamp.
Top-actuated clamps tighten from the top of the clamp, so workpieces need a through hole.
For technical drawings and 3-D models, click on a part number.
Thread | Drive | ||||||||||||
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For ID Range | Max. Clamp Expansion | Ht. | Flange OD | Max. Clamping Force, lbs. | Size | Lg. | Size | Style | Mounting Fasteners Included | Material | Screw Material | Each | |
Top Actuated | |||||||||||||
0.16"-0.29" | 0.005" | 27/64" | 25/32" | 250 | 2-56 | 1/2" | 5/64" | Hex | Yes | Steel | Steel | 0000000 | 000000 |
Dual-Clamping Fixture Clamps


Set one of these clamps between two workpieces in a fixture and tighten the screw to push the clamp's sides out for a secure hold. The minimal contact leaves more of the workpieces free for machining.
For technical drawings and 3-D models, click on a part number.
Thread | Drive | |||||||||||
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Lg. | Wd. | Ht. | Max. Clamping Force, lbs. | Size | Lg. | Size | Style | Material | Screw Material | Wedge Material | Each | |
5/16" | 1/4" | 17/64" | 200 | 2-56 | 3/8" | 5/64" | Hex | Aluminum | Steel | Steel | 0000000 | 000000 |
Thread | Drive | ||||||||||||
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Lg. | Wd. | Ht. | Max. Clamping Force, lbs. | Size | Lg. | Size | Style | Material | Screw Material | Wedge Material | Pkg. Qty. | Pkg. | |
5/16" | 1/4" | 17/64" | 200 | 2-56 | 3/8" | 5/64" | Hex | Aluminum | Steel | Steel | 6 | 0000000 | 000000 |