Filter by
Military Specification
Thread Size
Material
Threading
DFARS Specialty Metals
Fastener Head Type
Socket Head Profile
System of Measurement
Thread Type
Specifications Met
Export Control Classification Number (ECCN)
REACH
RoHS
Hardness
Thread Fit
Thread Direction
Drive Style
Tensile Strength
Thread Spacing
About Socket Head Screws
More
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.
Coarse threads are the industry standard; choose these screws if you don’t know the threads per inch.
Head | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|
Lg. | Threading | Min. Thread Lg. | Thread Spacing | Dia. | Ht. | Drive Size | Tensile Strength, psi | Specifications Met | Pkg. Qty. | Pkg. | |
18-8 Stainless Steel | |||||||||||
5/16"-18 | |||||||||||
2 1/4" | Partially Threaded | 1 1/8" | Coarse | 15/32" | 5/16" | 1/4" | 80,000 | MS16995-71, NAS1352C5-36, NASM16995, Fed. Spec. FF-S-86 | 1 | 000000000 | 000000 |