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Drill bit 12.5 long for metal - 205 mm / 134 mm HSS DIN 340 NWKb
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  • Drill bit 12.5 long for metal - 205 mm / 134 mm HSS DIN 340 NWKb
  • Drill bit 12.5 long for metal - 205 mm / 134 mm HSS DIN 340 NWKb - nr. 1

Drill 12.5 long 205/134 HSS DIN 340

Artykuły Techniczne Artykuły Techniczne
11744
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Net price: €6.58

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Description

Technical data of long drill fi 12.5

Technical data
Working diameter of drill d fi 12,5 mm
Total length l1 205 mm
Length of working part l2 134 mm

Cutting parameters of long drill bit fi 12.5 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 0,12 318 38
K Cast iron 10-15 0,12 265 32
Copper and alloys 12-25 0,16 318 51

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Cutting parameters calculator

Long drill bit for metal fi 12,5

High quality long drill bit for metal fi 12.5 twist with smooth cylindrical shank with a diameter of 12.5 mm. It is designed for professional processing of hard materials classified as P1.2 - P1.3 (metals, metal alloys, non-ferrous metals, plastics, carbon steel). Long drills for metal fi 12.5 of this type are made in accordance with the dimensional standard NWKb, DIN 340.They are produced entirely from special high-speed steel HSS (High Speed Steel), the high properties of which affect the increased cutting effects First of all, cylindrical drills made of HSS are very resistant to harsh working conditions, resistant to damage even under the influence of high temperatures arising when drilling at high speed. Their blades are resistant to fractures, cracks, chipping and breakage. Cylindrical drills offered in our store also have a specific geometric structure, which further increases the cutting properties. They have 2 central blades, strong ground cutting edges that are insensitive to damage and lateral forces, as well as spiral grooves for draining chips up the drilled hole.

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Drill 12.5 long 205/134 HSS DIN 340

Drill 12.5 long 205/134 HSS DIN 340

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