Item No.:
943112102020
Type
| Bore Diameter | 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60 mm |
| Gradation Length | 4 mm |
| Total Length | 120 mm |
| Shaft-Ø | - |
Product Description
- Straight grooved
- CBN-grinded
- With 2 blades, cross-grinded, edge breaker
- Nut Diameter laser-sintered
- A Special shaft prevents slipping of chuck
- Applicable with materials up to 6 mm wall thickness
- Drilling and deburring all in one working procedure
- By Cylindric gradation the new drilling hole results
- The sharpening of the next grade deburrs the smaller hole diameter
- To raise the lifetime we recommend o use reaming paste
- Application
- Step drill bit for burr-free drilling and reaming of sheet metals and profiles made of Steel up to 850 N
- Surface - Blank
