Heavy duty construction made to Type J aircraft specifications

5/8-11 x 9 Grade 5 Hex Cap Screw Zinc Plated

21/64 Heavy Duty Jobber Drill Bit

1-14 x 4 1/2 Grade 8 Hex Cap Screw Yellow Zinc Plated

Low-profile head

#32 x 6 High Speed Aircraft Bit Cobalt (6) 3/4-16 Socket Cap Screws Alloy Heavy duty construction made to#32 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