Description
Alpen Cobalt Drill Bit Set 25 Piece 1-13mm X 0.5 In Metal Case - 5% cobalt-alloyed jobber drills with high heat-resistance for drilling steels with tensile strength over 800 N/mm², especially suitable for high alloyed steels, bearing-steels, hot/cold-rolled steel. Ideal for stainless steel.
- Structural steels < 400 N/mm²
- Free cutting steels < 850 N/mm²
- Unalloyed heat treatable steels < 1.100 N/mm²
- Alloyed heat treatable steels < 1.300 N/mm²
- Copper, brass, aluminium
- Stainless steels
- Grey cast iron, malleable cast iron
- Plastics
Technical Data
| Drilling |
Steel, Alu, Copper, Nickel, Zinc, Plastics
|
| Standard | Din 338 |
| Type | Cobalt |
| Tip Angle | 130 Deg |
Includes
1x 1mm
1x 1.5mm
1x 2mm
1x 2.5mm
1x 3mm
1x 3.5mm
1x 4mm
1x 4.5mm
1x 5mm
1x 5.5mm
1x 6mm
1x 6.5mm
1x 7mm
1x 7.5mm
1x 8mm
1x 8.5mm
1x 9mm
1x 9.5mm
1x 10mm
1x 10.5mm
1x 11mm
1x 11.5mm
1x 12mm
1x 12.5mm
1x 13mm