9/16-12 x 7 Socket Cap Screw Alloy

1/4-20 x 1 1/4 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic USA (1900)

accurate and tough drilling through all aggregates

3/4-10 x 4 1/2 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (25)

8 x 1 5/8 Simpson Self-Drilling Fiber-Cement Screws 410 SS - Carton (3000)

12-14 x 1-1/4 Hex Washer Head Self Drilling Screw Zinc Plated Tek #3 (3000) 5/16-18 Grade 8 Hex Cap Screws Yellow Zinc Plated - Domestic USA 9/16-12 x 7 Socket Cap12 14 x 1 1 4 Hex Washer Head Self Drilling Screw Zinc Plated Tek #3 (3000). 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