Zinc plated material will meet or exceed ASTM F1941

split bolt anchor

9/16-18 x 2 1/2 Socket Cap Screw Alloy

5/8 x 21 ITM SDS Max X-Cutter Hammer Drill Bit

5/8 x 12 Hex Lag Screw Zinc Plated

#22 x 6 High Speed Aircraft Bit Cobalt (6) Phillips Flat Machine Screws Type F Zinc Plated Zinc plated material will meet#22 x 6 High Speed Aircraft Bit Cobalt . Manufactured to NAS 907 Type J specifications Jobber flute lengths for drilling holes in hard to reach places 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