3/8-16 1-1/2 OD HSS Left Hand Round Adjustable Die

Ideal for production, maintenance or portable drilling jobs. Surface treated with abrasion-resistant black oxide. #1 HSS Black Oxide Jobber Length Drill Bit, Number of Flutes: 2.

Tin coated jobber drills have super hard titanium nitride surface treatment improves drill life, chip ejection, and productivity; decreases horsepower requirements..Ideal for hard metals, work hardened stainless and other difficult to drill materials.

9.Killer Force Drills (KFD) have a heavy duty 135 degree split point for self-centering and reducing thrust. Gold and black surface treated for use in stainless steel and other hard metal drilling.

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Killer Force Drills (KFD) have a heavy duty 135 degree split point for self-centering and reducing thrust.

Screw machine drills are popular in the automotive and construction industries. Sizes smaller than 1/16 and #52 have the 118 degree standard point. They are often used in screw machine setup where spindle clearance is limited..

Adjustment is obtained by a fine pitch screw which forces the sides of the die apart, or allows them to spring together..

They have a black oxide surface treatement that is abrasion resistant, reduces chip welding and improves chip flow 1-9/32" HSS 4MT Taper Shank Drill Bit.

Adjustment is obtained by a fine pitch screw which forces the sides of the die apart, or allows them to spring together.

Designed to perform in a broad range of materials in the iron and steel families.