Irwin 14mm to 24mm by 2mm Metric Step Drill
Up to 13 different hole sizes without changing bits!
Applications:
- Specially step drill designed to machine a large number or different hole diameters with a single tool.
- Single cutting edge creates perfectly round holes in metal, plastic, wood and other thin materials without center punching.
- Conical design permits as many as 13 different size holes to be drilled with one drill.
- These drills, depending on the model, have a step 1/8" to 3/8" (3.5mm to 11mm) thick between sizes.
- Normally intended for use with thin materials.
- Two general variations are available for either self-starting hole or for enlarging existing holes.
- 20 different models are available to produce holes from 1/8" to 1-3/8" or 4mm to 35mm.
- 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.
- Single flute design helps to ensure perfectly round holes in a wide range of ferrous, non ferrous and non-metallic materials.
Features:
- Right hand clockwise rotation cutting direction.
- Single straight flute design.
- Multi-step design with progressively larger holes.
- Self-starting or hole enlarging style.
- Straight shank diameters of 1/4", 3/8", or 1/2" (6.5mm, 10mm or 13mm).
- Made in U.S.A.
Cobalt:
- M35 grade provides high heat & abrasion resistance.
- Longest cutting life.
- 6 times longer life vs. competition.
Technical Data:
- Manufactured from high speed steel.
- 1/8" to 3/8" (3.5mm to 11mm).
- Ground from solid.
- Cylindrically ground.
- Bright finish.
14mm to 24mm by 2mm Metric