5/8-18 x 1 Grade 5 Hex Cap Screw Plain Domestic USA (250)

1/2-20 x 3 1/2 Grade 5 Hex Cap Screw Plain Domestic USA (25)

1 1/2-12 x 6 L9 Hex Cap Screw Yellow Zinc Plated Domestic USA (5)

6 x 1 1/4 Simpson Bugle-Head Self-Drilling Screw - Square Drive 410 SS - Carton (5000)

5/16-24 x 2 1/2 Grade 5 Hex Cap Screw Plain Domestic USA (100)

10-16 x 1/2 Hex Washer Head Self Drilling Screw Zinc Plated Tek #2 (8000) 9/16-12 L9 Hex Cap Screws Yellow Zinc Plated - Domestic USA 5/8-18 x 1 Grade 510 16 x 1 2 Hex Washer Head Self Drilling Screw Zinc Plated Tek #2 (8000). 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