The 3 1/4 -8 A194 2H Plain Heavy Hex Nut is a dependable fastener for holding structures together

3/8-16 x 6 Flat Sleeve Anchor Zinc Plated (50)

#19 Heavy Duty Jobber Drill Bit

After installation

1/8 x 2 Powers Combo Mushroom Toggle Bolt Zinc Plated (50)

3/32 x 12 High Speed Aircraft Bit Cobalt (6) 3/8-16 Grade 5 Hex Cap Screws Zinc Plated The 3 1/4 -8 A1943 32 x 12 High Speed Aircraft Bit Cobalt . Manufactured to NAS 907 Type J specifications Heavy duty construction for portable or machine drilling For use in drilling in high tensile strength alloy steels, stainless steels, titanium and other difficult to machine materials Made in the USA