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About Socket Head Screws
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Mil. Spec. 18-8 Stainless Steel Socket Head Screws
Partially Threaded
Choose these screws for their adherence to strict military standards for material and construction. Dimensions meet Fed. Spec. FF-S-86 specifications. Screws may be mildly magnetic. Length is measured from under the head. Fine threads are closely spaced to prevent loosening from vibration. They are not compatible with coarse threads.
Head | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Lg. | Threading | Min. Thread Lg. | Thread Spacing  | Dia. | Ht. | Drive Size | Tensile Strength, psi | Specifications Met | Pkg. Qty. | Pkg. | |
18-8 Stainless Steel | |||||||||||
10-32 | |||||||||||
| 1 1/4" | Partially Threaded | 7/8" | Fine | 5/16" | 0.19" | 5/32" | 80,000 | MS16996-15, NAS1351C3-20, NASM16996, Fed. Spec. FF-S-86 | 10 | 000000000 | 00000 |