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Metal drill bit 6.8 long 156/102 HSS DIN 340
Net price: €2.11
Description
Technical data of long drill fi 6,8
- working diameter of the drill d- 6.8 mm,
- total length l1 - 156,0 mm,
- length of the working part l2 -102,0 mm.
| Technical data | |
|---|---|
| Working diameter of drill d | fi 6,8 mm |
| Overall length l1 | 156 mm |
| Length of working part l2 | 102 mm |
Cutting parameters of long drill bit fi 6,8 mm HSS NWKb
| ISO symbol | Material | Cutting speed Vc [m/min] | Feed per revolution f [mm] | Revolutions n [obr/min] | Total feed rate [mm/min] |
|---|---|---|---|---|---|
| P | Steel | 12-21 | 0,06 | 637 | 38 |
| K | Cast iron | 10-15 | 0,06 | 531 | 32 |
| Copper and alloys | 12-25 | 0,08 | 637 | 51 |
May be useful
Cutting parameters calculator
Long drill bit for metal fi 6,8
Professional long drill bit for metal fi 6,8 according to the dimensional standard NWKb, DIN 340. It is suitable for all drilling work in large locksmith shops and workshops. It has 2 central blades, special grooves for removing chips from the drilled hole, a tip angle of 118 degrees and strong cutting edges. Long drills for metal fi 6,8 included in the offer of our store are made according to the NWKb, DIN 340 standard from modern HSS high-speed steel. Thanks to this steel, the drills are very resistant to harsh working conditions, and, above all, to the high temperature created when drilling at high speed. Their blades are resistant to mechanical damage, including fractures, cracks, chipping and breakage. Thanks to these properties, they can be used for a very long time without the need to replace them with new ones. In addition, they allow high-speed drilling, which has the effect of reducing working time and making better use of the jobs available.
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Shipping
All orders are delivered by courier company GLS. For orders exceeding 369 PLN gross shipping is FREE
| Courier GLS | Przelew24 / Prepayment | 14,76 zł gross | Delivery time 1 working day |
| Courier GLS | Cash on delivery | 17,26 zł gross | Lead time 1 working day |
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