9/16-18 x 5 Socket Cap Screw Alloy

5/8-11 x 2 1/2 Hex Tap Bolt Silicon Bronze

3/8-24 x 2 1/4 L9 Hex Cap Screw Yellow Zinc Plated Domestic USA (50)

61/64 x 6 Reduced Shank Drill Bit (1/2 Shank)

Slightly different than carriage bolts

6-20 x 3/4 Hex Washer Head Self Drilling Screw Zinc Plated Tek #2 (10000) 5/8-18 Grade 5 Hex Cap Screws Zinc Plated - Domestic USA 9/16-18 x 5 Socket Cap6 20 x 3 4 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