Bit will fit all hammer drills with 3-jaw or Jacobs chuck and features a chrome vanadium shaft through hardened to 50-53HrC, shot-peened, double-tempered finish, flute geometry removes dust from the hole quicker, copper braze material gives high heat resistance. All tips made to ANSI specifications.

Interchangeable cushion inserts designed to fit most popular files. Handle made of strong high-impact material. Contoured to fit hand for straight, lathe and draw filing. Non-slip textured finish for easier grip. Includes four inserts.

TAP BOTTOM 3/8IN-16NC SAE STL

IRWIN STRAIT-LINE? Marking chalks have a newly engineered flip-top cap that keeps the chalk in the bottle where you want it and stops it from spilling out in areas that you don't. The flip-top cap, available on all IRWIN STRAIT-LINE? chalk bottles, seals the chalk in an air-tight chamber, keeping out moisture and reducing the risk of clumping.

IRWIN HSS AIRCRAFT BIT 1/4X12"

IRWIN HSS AIRCRAFT BIT 5/16X12"

IRWIN HSS AIRCRAFT BIT 3/8X12"

IRWIN HSS AIRCRAFT BIT 1/2X12"

IRWIN SHANK DRILL BIT 9/16X 1/2"

M-7 high-speed steel for strength, heat resistance and wear resistance when drilling in wood, metal or plastic. Can be used with keyless chuck. Three-flatted shank design provides better chuck grip and reduces slippage. All Silver and Deming bits are 6 in long and feature a 1/2 in reduced shank that fits all 1/2 in drills.

IRWIN STRAIT-LINE? Marking chalks have a newly engineered flip-top cap that keeps the chalk in the bottle where you want it and stops it from spilling out in areas that you don't. The flip-top cap, available on all IRWIN STRAIT-LINE? chalk bottles, seals the chalk in an air-tight chamber, keeping out moisture and reducing the risk of clumping.

BIT DRILL SHANK 7/8X1/2INused with keyless chuck. Three-flatted shank design provides better chuck grip and reduces slippage. All Silver and Deming bits are 6" long and feature a 1/2" reduced shank that fits all 1/2" drills.