21/64 Cobalt Heavy Duty Jobber Drill Bit

The split drive anchor is a one-piece tamper-resistant

5000 inches

Ideal for securing clips used in standing seam roofing

#42 Heavy Duty Drill Bit - Stubby Length

#26 x 6 High Speed Aircraft Bit Cobalt (6) Grade 2 Finished Hex Nuts Zinc Plated 21/64 Cobalt Heavy Duty Jobber#26 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