zinc and lead die castings

7/8-9 x 2 3/4 Socket Cap Screw Alloy

3/8-24 x 2 1/2 Grade 5 Hex Cap Screw Plain Domestic USA (100)

1/2-13 x 12 Grade 8 Hex Cap Screw Yellow Zinc Plated

10-16 x 3 Hex Washer Head Self Drilling Screw Zinc Plated Tek #3 (1000) Phillips Wafer Cement Board Screws zinc and lead die castings10 16 x 3 Hex Washer Head Self Drilling Screw Zinc Plated Tek #3 (1000). 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 SAE