5/16"-24 UNF-3A x 1" Torx Flat Head Countersunk Screw
316 Stainless Steel. Machined to the customer's drawing in our Houston shop.
Torx Flat Head Countersunk Screw Flush finish. Precision drive. Corrosion resistance built to perform. 5/16"-24 (UNF-3A) x 1" · Torx Flat Head Countersunk Screw · T40 Drive.
Special socket products are machined from bar where the specification allows, with the socket broached and the threads rolled, or cut where the specification or order allows, then heat treated and plated as the specification requires. Shoulder, low-head, flat-head and set-screw patterns follow ASME B18.3 unless the drawing says otherwise.
About the material: 316 stainless bolting with molybdenum for chloride and pitting resistance — offshore, marine, chemical and coastal plant fasteners. Read the A193 B8M Class 1 data page →
