This is a single wire gauge size 'A', 3-7/8"(OAL) x .234" diameter, Warrior brand, solid cobalt steel drill bit designed for tough drilling through ferrous metal and hardwood. These bits are comprised of solid M35, HSS-E high speed steel. This alloy incorporates 5% cobalt added to the standard M2 HSS mixture for increased heat resistance and durability through tough jobs in iron and milder steel.
Precision Twist C114COMB High Speed Steel Jobber Length Drill Bit Set, Black Oxide Finish with Metal Case, 118 Degree Conventional Point, 114 piece, Combination, 1/16" 1/2" x 64ths, #60 to #1, 1 to 13mm x 0.5 mm
Precision Twist C29M40CO Cobalt Steel Short Length Drill Bit Set with Metal Case, Gold Oxide Finish, 135 Degree Split Point, Inch, 29 piece, 1/16" to 1/2" x 64ths
Chicago Latrobe 150ASP Series High-Speed Steel Jobber Length Drill Bit Set with Metal Case, Heavy Duty, Black Oxide Finish, 135 Degree Split Point, Inch, 21-piece, 1/16" - 3/8" in 1/64" increments
Master 321MDSET29 29-Piece High-Speed Steel Mechanic's Length Drill Bit Assortment, Black and Bronze Oxide Finish, Three-Flat Shank, 135-Degree Split Point, 1/16" to 1/2" Size in 1/64" Increments
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