9/16-18 x 2 L9 Hex Cap Screw Yellow Zinc Plated Domestic USA (25)

1/4-28 x 7/8 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (2500)

7/16-20 x 2 1/4 Grade 8 Hex Cap Screw Plain Domestic USA (350)

1/2-13 x 16 Socket Cap Screw Alloy

12-14 x 3/4 Hex Washer Head Self Drilling Screw Zinc Plated Tek #3 (4000) 5/8-18 Grade 8 Hex Cap Screws Yellow Zinc Plated 9/16-18 x 2 L9 Hex12 14 x 3 4 Hex Washer Head Self Drilling Screw Zinc Plated Tek #3 (4000). 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