Import HSS Single Flute Countersink, 100°, 5/16" DIa.

High Speed Steel TMX 6 Flute Chatterless Countersink 82° angle. HSS TMX 6 Flute Chatterless Countersink, 82° angle, 1/2" diameter x 1/4" shank diameter. Designed to reduce harmonic cutting action resulting in less chatter Six flutes increases the penetration rate

High Speed Steel TMX 60° Combined Drill & Countersink Plain Type. # 6 HSS 82° TMX Combined Drill & Countersink Plain Type - RH - 1/2" body diameter x 7/32" drill diameter x 7/32" drill length x 3" OAL. Combination drill and countersinks are used for centering the ends of work for subsequent revolving machining operations

6 Flute Countersinks are the perfect tool for countersinking, chamfering and deburring. The 6 flute construction pronlongs tool life as cutting loads are spread across more cutting edges. Cobalt provides better wear resistance and retains hardness in high temperatures when milling difficult to machine materials.

Designed to produce center hole that serves as the sear or bearing surface for center on a machine. Produces an ordinary 60° included angle center. Manufactured from high-speed steel. Bright finish. For working in carbon steel, tool steel, alloy steel and cast iron. Plain type can be used for most applications. 30 Day Warranty.

Particularly designed for countersinking or light chamfers in workable material. Smooth and burr-free finish.