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Drill bit 11 long for metal - 195 mm / 128 mm HSS DIN 340 NWKb
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  • Drill bit 11 long for metal - 195 mm / 128 mm HSS DIN 340 NWKb
  • Drill bit 11 long for metal - 195 mm / 128 mm HSS DIN 340 NWKb - nr. 1
Artykuły Techniczne

Metal drill bit 11 long 195/128 HSS DIN 340

Artykuły Techniczne Artykuły Techniczne
0248
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Description

Technical data of long drill fi 11

Technical data
Working diameter of drill d fi 11 mm
Overall length l1 195 mm
Length of working part l2 128 mm

Cutting parameters of long drill bit fi 11 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 0,08 347 28
K Cast iron 10-15 0,08 290 23
Copper and alloys 12-25 0,1 347 35

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Cutting parameters calculator

Long drill bit for metal fi 11

Professional long drill bit for metal fi 11 cylindrical shank, long with cylindrical shank, in accordance with dimensional standard NWKb, DIN 340. It has 2 central blades, a tip angle of 118 degrees, strong ground cutting edges insensitive to impact and lateral forces, as well as special chip grooves for fast chip removal up the drilled hole. The long metal drills fi 11 are manufactured from modern molybdenum HSS (High Speed Steel). This is a steel that enables increased cutting efficiency and precision. Cylindrical drills made of this steel are resistant to harsh working conditions and resistant to any mechanical damage (fractures, cracks, chipping, dulling). These features allow the drills to be used for a long time without having to replace them with new ones. Designed for professional drilling in large factories and workshops. Recommended for conventional and numerical computer-controlled machine tools.

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Metal drill bit 11 long 195/128 HSS DIN 340

Metal drill bit 11 long 195/128 HSS DIN 340

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