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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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Thread Type Thread Type |
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Material Material |
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Specifications Met Specifications Met |
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Drive Size Drive Size |
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Head Type Head Type |
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 | Socket |
Socket Head Profile Socket Head Profile |
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 | Standard |
Threading Threading |
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 | Partially Threaded |
Hardness Hardness |
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Tensile Strength Tensile Strength |
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Thread Fit Thread Fit |
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Thread Spacing Thread Spacing |
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Minimum Thread Length Minimum Thread Length |
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Thread Direction Thread Direction |
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 | Right Hand |
Drive Style Drive Style |
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 | Hex |
Finish Finish |
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About Socket Head Screws
More
Alloy Steel Socket Head Screws
Partially Threaded
With a tensile strength of 170,000 psi, these alloy steel screws are stronger than Grade 8 steel screws. Length is measured from under the head.
Black-oxide steel screws are mildly corrosion resistant in dry environments. Fine and extra-fine threads are closely spaced to prevent loosening from vibration; the finer the thread, the better the resistance. They are not compatible with coarse threads.
For technical drawings and 3-D models, click on a part number.
Head | |||||||||||
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| Lg. | Threading | Min. Thread Lg. | Thread Spacing | Dia. | Ht. | Drive Size | Tensile Strength, psi | Specifications Met | Pkg. Qty. | Pkg. | |
2 1/4"-8 | |||||||||||
Black-Oxide Alloy Steel | |||||||||||
| 6" | Partially Threaded | 5 5/8" | Fine | 3 3/8" | 2 1/4" | 1 3/4" | 170,000 | ASTM A574 | 1 | 000000000 | 0000000 |
| 8" | Partially Threaded | 5 5/8" | Fine | 3 3/8" | 2 1/4" | 1 3/4" | 170,000 | ASTM A574 | 1 | 000000000 | 000000 |
| 10" | Partially Threaded | 5 5/8" | Fine | 3 3/8" | 2 1/4" | 1 3/4" | 170,000 | ASTM A574 | 1 | 000000000 | 000000 |