HSS TIN-COATED STEP DRILL

APPLICATIONS
Specialty step drill designed to machine a large number of different hole diameters with a single tool.
Single cutting edge creates perfectly round holes in metal, plastic, and wood without center punching.
For use with thin materials.
Two general variations are available for either self-starting holes or for enlarging existing holes.
Single flute design helps to ensure perfectly round holes in a wide range of ferrous, non-ferrous and non-metallic materials.
FEATURES
Multi-step design with progressively larger holes.
Self-starting or hole enlarging styles.
Straight shank diameters of 1/4″, 3/8″ or 1/2″ (6.5mm, 10mm, or 13mm).
The hardened, high speed steel drill body is available in either an uncoated style or with a TiN coating for longer life in tougher materials.
Cobalt M35 grade provides high heat & abrasion resistance.
Longest cutting life.
6 times longer life vs. competition.
TECHNICAL DATA
Cylindrically ground from the solid.
Bright finish.