7/16-20 x 5 Socket Cap Screw Alloy

3/4-10 x 8 A307A Hex Bolt Hot Dipped Galvanized

1-8 x 4 Grade 8 Hex Cap Screw Yellow Zinc Plated

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#59 Heavy Duty Jobber Drill Bit

6-20 x 5/8 Hex Washer Head Self Drilling Screw Zinc Plated Tek #2 (15000) M20-2.50 Flat Socket Cap Screws 12.9 DIN 7991 Black Oxide 7/16-20 x 5 Socket Cap6 20 x 5 8 Hex Washer Head Self Drilling Screw Zinc Plated Tek #2 (15000). 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