1/4 Cobalt Heavy Duty Jobber Drill Bit

7 x 2 1/4 Simpson Trim-Head Self-Drilling Siding Screw - Square Drive 410 SS - Carton (1000)

9/16 x 6 ITM SDS Plus eVolution™ Hammer Drill Bit

7/8-14 x 5 Hex Cap Screw SS 18-8 (A2)

1/2-20 x 6 1/2 Socket Cap Screw Alloy

31/64 x 12 High Speed Aircraft Bit Cobalt (3) 2 1/2-4 Socket Cap Screws Alloy 1/4 Cobalt Heavy Duty Jobber31 64 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