System of Measurement System of Measurement |
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Material Material |
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Rounded Head Style Rounded Head Style |
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Head Type Head Type |
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![]() | Rounded |
Barrel Head Diameter Barrel Head Diameter |
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Barrel Drive Style Barrel Drive Style |
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![]() | No Drive |
Rounded Head Profile Rounded Head Profile |
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Cap Head Height Cap Head Height |
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Cap Length Cap Length |
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DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense AcquisitionRegulations Supplement) |
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Hardness Hardness |
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Tensile Strength Tensile Strength |
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About Thumb Screw and Binding Post Materials
More
Metal Press-Fit Low-Profile Binding Barrels and Caps

Quickly assemble these threaded barrels and caps with a press or a hammer. The threads deform to lock the screw in place. They are corrosion resistant in wet environments. A thin head provides a nearly flush finish with the material surface. Barrel length and screw length are measured from under the head.
For technical drawings and 3-D models, click on a part number.
Barrel | Cap | ||||||||||
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For Material Thick. | Lg. | Dia. | Head Dia. | Head Ht. | Lg. | Head Dia. | Head Ht. | Material | Pkg. Qty. | Pkg. | |
6061 Aluminum | |||||||||||
3/8" | 3/8" | 7/32" | 7/16" | 1/16" | 3/8" | 7/16" | 1/16" | Nickel-Plated Steel | 25 | 000000000 | 000000 |
1/2" | 1/2" | 7/32" | 7/16" | 1/16" | 3/8" | 7/16" | 1/16" | Nickel-Plated Steel | 25 | 000000000 | 00000 |
5/8" | 5/8" | 7/32" | 7/16" | 1/16" | 3/8" | 7/16" | 1/16" | Nickel-Plated Steel | 25 | 000000000 | 00000 |
3/4" | 3/4" | 7/32" | 7/16" | 1/16" | 3/8" | 7/16" | 1/16" | Nickel-Plated Steel | 25 | 000000000 | 00000 |
7/8" | 7/8" | 7/32" | 7/16" | 1/16" | 3/8" | 7/16" | 1/16" | Nickel-Plated Steel | 25 | 000000000 | 00000 |
1" | 1" | 7/32" | 7/16" | 1/16" | 3/8" | 7/16" | 1/16" | Nickel-Plated Steel | 25 | 000000000 | 00000 |