Exact Step Drill Bits with Spiral Flute Ti AIN
- Exact 07022, Ideal for burr-free drilling & reaming of sheet metal, pipes & profiles, & manufactured with Ti Al N- (titanium-aluminium-nitride) coating
- optimum for stainless steel machining, surface hardness approx. 3000 HV. Also features " Chamfering" deburring zone: drilling & deburring in one work step. Exact 07022 Step Drill With Spiral Flute Ti AIN Bore Diameter 4
- 20mm