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Drill fi 2,75 mm for metal - HSS DIN 338 NWKa
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  • Drill fi 2,75 mm for metal - HSS DIN 338 NWKa
  • Drill fi 2,75 mm for metal - HSS DIN 338 NWKa - nr. 1

HSS DIN 338 2.75 mm metal drill bit

Artykuły Techniczne Artykuły Techniczne
4658
€0.23 tax inc.

Net price: €0.18

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Description

Technical data of metal drill fi 2,75

Technical data
Working diameter of drill d fi 2,75 mm
Overall length l1 61 mm
Length of working part l2 33 mm
wiertło do metalu - rysunek techniczny

  • Drill bit made according to DIN-338
  • Possible drilling to a hardness of 35 HRC
  • Blade angle of 118 degrees suitable for drilling in steel, cast steel
  • Made of the best grade of high speed steel HSS ( High speed steel )
  • Makes a hole in h8 tolerance
  • Low roughness of the hole
Wiertło do metalu - kąt ostrza 118 stopni

Cutting parameters of drill fi 2,75 mm HSS NWKa

ISO symbolMaterialCutting speed Vc [m/min]Feed per revolution f [mm]Revolutions n [obr/min]Total feed rate [mm/min]
P Steel 14-25 0,05 1621 81
K Cast iron 10-18 0,05 1158 58

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Drill fi 2.75 with cylindrical shank.

Drill 2.75 mm HSS. High-quality cylindrical, twist drill bit manufactured according to the dimensional standard NWKa, DIN 338.Przeznaczone for drilling through-holes and blind holes with a cross section of 2.75 mm. It is suitable for machining of materials falling into categories P1.2 - P1.3 (unalloyed steels, metals, non-ferrous metals, metal alloys and plastics). The NWKa drill bits we offer have 2 central blades and special chip grooves for efficient chip removal up the drilled hole. Drill the 2.75mm also has strong cutting edges that are insensitive to hard impacts and lateral forces. In addition, the drills are resistant to mechanical damage such as breaking, cracking, chipping and even rapid dulling. These advantages contribute to extended service life. The drills are recommended for conventional drilling machines, lathes and milling machines, as well as computer numerical control machine tools - CNC.

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HSS DIN 338 2.75 mm metal drill bit

HSS DIN 338 2.75 mm metal drill bit

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