1/4-20 x 4 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (50)

3/4 L9 USS Tension Flatwasher Yellow Zinc Plated Domestic USA (40)

7/16-20 x 1 1/2 Grade 5 Hex Cap Screw Plain Domestic USA (50)

1/2-13 x 5 1/2 Socket Cap Screw 18-8 (A2) Stainless Steel

8-18 x 3/4 Hex Washer Head Self Drilling Screw Zinc Plated Tek #2 (10000) Square Bugle Coarse Drywall Screws Black Phosphate 1/4-20 x 4 Grade 58 18 x 3 4 Hex Washer Head Self Drilling Screw Zinc Plated Tek #2 (10000). A tapping screw with an integrally formed hex washer head , spaced or unified threads, and a #2 or #3 drill point. Designed to drill through steel. AISI 1022 or equivalent steel. Rockwell C50 56. Meets F. I. P. 1000. 7 for torsional strength & drill speed. Meets ASTM A 510 for carbon steel manufacturing. Zinc plating meets ASTM B 117 for salt spray corrosion. Manufactured to