5/8-11 x 15 A307A Hex Bolt Hot Dipped Galvanized

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

1/2-13 x 13 A307A Hex Bolt Hot Dipped Galvanized

9/16-12 x 1 L9 Hex Cap Screw Yellow Zinc Plated Domestic USA (475)

1/2-20 x 1 1/4 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (50)

6-20 x 1/2 Hex Washer Head Self Drilling Screw Zinc Plated Tek #2 (15000) 9/16-18 Grade 8 Hex Cap Screws Plain - Domestic USA 5/8-11 x 15 A307A Hex6 20 x 1 2 Hex Washer Head Self Drilling Screw Zinc Plated Tek #2 (15000). 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