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Drill bit 6.8 long for metal - 156 mm / 102 mm HSS DIN 340 NWKb
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  • Drill bit 6.8 long for metal - 156 mm / 102 mm HSS DIN 340 NWKb
  • Drill bit 6.8 long for metal - 156 mm / 102 mm HSS DIN 340 NWKb - nr. 1
Artykuły Techniczne

Metal drill bit 6.8 long 156/102 HSS DIN 340

Artykuły Techniczne Artykuły Techniczne
0201
€2.59 tax inc.

Net price: €2.11

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W magazynie: 5 pcs.
W magazynie: 5 pcs.

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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 symbolMaterialCutting 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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Metal drill bit 6.8 long 156/102 HSS DIN 340

Metal drill bit 6.8 long 156/102 HSS DIN 340

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
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