1/2-13 x 1 1/4 Grade 8 Hex Cap Screw Plain Domestic USA (50)

Tensile strength on diameters 1/4 to 1 inch will meet a minimum of 120

3/4-16 x 5 Grade 5 Hex Cap Screw Zinc Plated

1/2-20 L9 Hex Collar Locknuts Cadmium Yellow & Wax Coated Domestic USA (1100)

7/16-14 x 3/4 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (100)

12-14 x 1 Hex Washer Head Self Drilling Screw Zinc Plated Tek #3 (4000) 1-8 Socket Set Screws Cup Point Alloy 1/2-13 x 1 1/4 Grade12 14 x 1 Hex Washer Head Self Drilling Screw Zinc Plated Tek #3 (4000). 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