3/4 x 18 High Speed Long Boy (1/2" Shank)

5/8-11 x 4 1/2 Flat Socket Cap Screw Alloy

6-32 x 1/4 Phillips Flat 82 Undercut Machine Screw Black Zinc Plated (10

7/8-9 x 4 1/2 Hex Cap Screw SS 18-8 (A2)

With solid surfaces

5/8-11 x 2 1/4 Flat Socket Cap Screw 18-8 (A2) Stainless Steel USS Flat Washers Zinc Plated 3/4 x 18 High Speed5 8 11 x 2 1 4 Flat Socket Cap Screw 18 8 (A2) Stainless Steel . 18 8 (A2) Stainless Steel Flat Socket Head Cap Screws from Brighton Best. Hardness of RC 38 43, meets or exceeds ASTM F879. Flat Head Socket Cap Screws are used for flush mounting of sections, usually where one part slides over another part or one part is mounted on another.