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About Hex Head Screws and Bolts
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18-8 Stainless Steel Hex Head Screws
Partially Threaded
The standard choice for fastening in wet and outdoor conditions. Made of 18-8 stainless steel, these screws resist corrosion from mild chemicals and water. These screws may be mildly magnetic. Length is measured from under the head.
Screws that are made in the U.S. are headed and threaded domestically using DFARS-compliant materials. Those that meet MS35307 or MS35308 adhere to military standards for material and construction; their dimensions also meet Fed. Spec. FF-S-85.
Match the thread spacing of mating components. Fine threads are closely spaced to prevent loosening from vibration.
Head | Made in the U.S. | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| Lg. | Threading | Min. Thread Lg. | Thread Spacing  | Wd. | Ht. | Tensile Strength, psi | Pkg. Qty. | Pkg. | |
18-8 Stainless Steel | |||||||||
3/8"-24 | |||||||||
| 1 1/2" | Partially Threaded | 1" | Fine | 9/16" | 15/64" | 70,000 | 1 | 000000000 | 00000 |