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System of Measurement System of Measurement |
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Threading Threading |
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![]() | Fully Threaded |
Maximum Temperature Maximum Temperature |
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Head Type Head Type |
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![]() | Hex |
Thread Direction Thread Direction |
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DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense AcquisitionRegulations Supplement) |
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Thread Spacing Thread Spacing |
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Drive Style Drive Style |
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Hardness Hardness |
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Minimum Temperature Minimum Temperature |
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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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Tensile Strength Tensile Strength |
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Thread Fit Thread Fit |
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Color Color |
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![]() | Off-White |
Thread Type Thread Type |
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About Hex Head Screws and Bolts
More
Ceramic Hex Head Screws

Ceramic screws won't melt, rust, seize, or become brittle—even at extreme temperatures. They are nonconductive and highly resistant to corrosive gases. Length is measured from under the head. To ensure compatibility, use these screws with ceramic nuts.
For technical drawings and 3-D models, click on a part number.
Screws | ||||||||||||
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Head | Nuts | |||||||||||
Lg. | Threading | Thread Spacing | Wd. | Ht. | Color | Max. Temperature, °F | Tensile Strength | Each | Pkg. Qty. | Pkg. | ||
2-56 | ||||||||||||
1/4" | Fully Threaded | Coarse | 1/8" | 3/64" | Off-White | 3000° | Not Rated | 000000000 | 000000 | 1 | 000000000 | 000000 |
3/8" | Fully Threaded | Coarse | 1/8" | 3/64" | Off-White | 3000° | Not Rated | 000000000 | 00000 | 1 | 000000000 | 00000 |
1/2" | Fully Threaded | Coarse | 1/8" | 3/64" | Off-White | 3000° | Not Rated | 000000000 | 00000 | 1 | 000000000 | 00000 |
4-40 | ||||||||||||
3/8" | Fully Threaded | Coarse | 3/16" | 1/16" | Off-White | 3000° | Not Rated | 000000000 | 00000 | 1 | 000000000 | 00000 |
1/2" | Fully Threaded | Coarse | 3/16" | 1/16" | Off-White | 3000° | Not Rated | 000000000 | 00000 | 1 | 000000000 | 00000 |
6-32 | ||||||||||||
1/4" | Fully Threaded | Coarse | 1/4" | 3/32" | Off-White | 3000° | Not Rated | 000000000 | 00000 | 1 | 000000000 | 00000 |
3/8" | Fully Threaded | Coarse | 1/4" | 3/32" | Off-White | 3000° | Not Rated | 000000000 | 00000 | 1 | 000000000 | 00000 |
3/4" | Fully Threaded | Coarse | 1/4" | 3/32" | Off-White | 3000° | Not Rated | 000000000 | 00000 | 1 | 000000000 | 00000 |
1" | Fully Threaded | Coarse | 1/4" | 3/32" | Off-White | 3000° | Not Rated | 000000000 | 00000 | 1 | 000000000 | 00000 |
8-32 | ||||||||||||
3/8" | Fully Threaded | Coarse | 1/4" | 7/64" | Off-White | 3000° | Not Rated | 000000000 | 00000 | 1 | 000000000 | 00000 |
1/2" | Fully Threaded | Coarse | 1/4" | 7/64" | Off-White | 3000° | Not Rated | 000000000 | 00000 | 1 | 000000000 | 00000 |
1" | Fully Threaded | Coarse | 1/4" | 7/64" | Off-White | 3000° | Not Rated | 000000000 | 00000 | 1 | 000000000 | 00000 |
1 1/4" | Fully Threaded | Coarse | 1/4" | 7/64" | Off-White | 3000° | Not Rated | 000000000 | 00000 | 1 | 000000000 | 00000 |
1/4"-20 | ||||||||||||
1/2" | Fully Threaded | Coarse | 7/16" | 3/16" | Off-White | 3000° | Not Rated | 000000000 | 00000 | 1 | 000000000 | 00000 |
3/4" | Fully Threaded | Coarse | 7/16" | 3/16" | Off-White | 3000° | Not Rated | 000000000 | 00000 | 1 | 000000000 | 00000 |
1" | Fully Threaded | Coarse | 7/16" | 3/16" | Off-White | 3000° | Not Rated | 000000000 | 00000 | 1 | 000000000 | 00000 |
1 1/4" | Fully Threaded | Coarse | 7/16" | 3/16" | Off-White | 3000° | Not Rated | 000000000 | 00000 | 1 | 000000000 | 00000 |