#54 Heavy Duty Jobber Drill Bit

5/8-11 x 2 1/2 A325 Type 1 Heavy Hex Bolt Plain (175)

3/4-16 x 1 3/4 Hex Cap Screw SS 316 (A4)

5/16-18 x 4 1/2 Grade 5 Hex Cap Screw Plain Domestic USA (50)

10-16 x 2 Hex Washer Head Self Drilling Screw Zinc Plated Tek #3 (2000) 1/2-13 Hex Cap Screws 316 Stainless Steel #54 Heavy Duty Jobber Drill10 16 x 2 Hex Washer Head Self Drilling Screw Zinc Plated Tek #3 (2000). 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