References
Dormer:R458N28
Rubix:376A3275
Manufacturer :5980216
EAN:7320760042281
Technical specifications
| Drilling diameter | 3.57 mm |
|---|---|
| Total length | 62 mm |
| Length of cut | 20 mm |
Product details : DORMER R458N28 5980216
High performance drill, able to produce high quality and accurate holes at high speeds and feeds (H9 hole tolerance). Self centering 140°, 4-facet split point and CTW flute construction for enhanced penetration rates. TiAlN coating increases surface hardness and improves tool life.
Strengths
the carbide provides excellent wear resistance and improves tool life. the continuously thinned web (ctw) provides excellent transverse strength that improves chip removal and enables high performance. the four-facet split point provides perfect centering and low cutting forces, resulting in very accurate holes with a superior surface finish. the tialn coating increases surface hardness, wear resistance and improves tool life. the controlled sharpening and external corner design provide a high and consistent tool life
Technical specifications
Attributes
| Drilling diameter | 3.57 mm |
|---|---|
| Total length | 62 mm |
| Length of cut | 20 mm |
| Shank type | cylindrical |
| Din standard | din 6537 k |
| Ratio of diameter to length of drill hole | 3xd |
| Internal cooling | no |
| Tip angle | 140 ° |
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£ 36.74 excl. VAT
/ Each
£ 44.09 incl. VAT
- Usually arrives within 14 working days