7/8-14 x 4 L9 Hex Cap Screw Yellow Zinc Plated Domestic USA (15)

1-14 x 2 Grade 5 Hex Cap Screw Plain Domestic USA (50)

7/16-20 x 3/4 Grade 8 Hex Cap Screw Plain Domestic USA (100)

5/16-24 x 3 1/4 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (50)

Reverse drill to remove the driver

8-18 x 1/2 Hex Washer Head Self Drilling Screw Zinc Plated Tek #2 (10000) 3/8-24 Grade 5 Hex Cap Screws Zinc Plated - Domestic USA 7/8-14 x 4 L9 Hex8 18 x 1 2 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