3,5 mm Ø Cobalt jobber drill bits in BULK
For industrial application. 10 pieces in a handy plastic slip-open container.
Range
of application:
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.
For drilling into:
|
| Strengths | |
| HIGHLY ACCURATE | special shape, drills without center-punching |
| BREAK RESISTANT | thanks to CNC heat treatment |
| INDUSTRIAL QUALITY | suitable for NC machines |
| SELF-CENTRING | thanks to special point shape |
| HIGH TEMPERATURE | Up to 600° C drilling even with the highest thermal stress |
| FAST | due to special drill grinding fast drilling progress and up to 50% less feed pressure required |
| Specifications | ||
| Drill diameter | Qty | Sample |
| HSS-ECo Jobber drill DIN 338 RN
Ø 3,5 mm 38mm total length 16mm length of twist |
10 |
 |