5/16-24 x 3 1/2 Grade 5 Hex Cap Screw Plain Domestic USA (50)

3/4-10 x 3 3/4 Grade 5 Hex Cap Screw Plain Domestic USA (65)

7/16-20 x 3/4 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (100)

3/8-16 Drop-In Anchor 303 SS (50)

1/4-20 x 3 1/4 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic USA (600)

8-18 x 5/8 Hex Washer Head Self Drilling Screw Zinc Plated Tek #2 (10000) Tie Wire Split Drive Anchors Zinc Plated 5/16-24 x 3 1/2 Grade8 18 x 5 8 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