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Drill fi 18,75 mm for metal - HSS DIN 338 NWKa
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  • Drill fi 18,75 mm for metal - HSS DIN 338 NWKa
  • Drill fi 18,75 mm for metal - HSS DIN 338 NWKa - nr. 1

18.75 mm HSS DIN 338 metal drill bit

Artykuły Techniczne Artykuły Techniczne
12453
€12.95 tax inc.

Net price: €10.53

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In stock > 10 pcs.

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Description

Technical data of metal drill fi 18,75

Technical data
Working diameter of drill bit d fi 18,75 mm
Overall length l1 198 mm
Length of working part l2 135 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 18,75 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 0,2 238 48
K Cast iron 10-18 0,2 170 34

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Cutting parameters calculator

Drill fi 18,75 with cylindrical shank

Drill 18,75 mm HSS. High-performance cylindrical twist drill bit for drilling through-holes and blind holes in P1.2 P1.3 grade materials (metals, metal alloys, non-alloy steels, non-ferrous metals). The drills have 2 central blades, a tip angle of 118 degrees, specially ground cutting edges and spiral grooves for efficient chip removal up the hole. The NWKa drills we offer are manufactured from modern HSS high-speed steel. Its high cutting properties significantly increase drilling efficiency, as well as improve the precision of the holes. In addition, the drills are resistant to harsh cutting conditions and their blades are resistant to mechanical damage (fractures, cracks, chipping, breakage). Drill bits for metal 18,75 mm are also characterized by greater hardness and durability against abrasion under the influence of high temperatures generated when drilling at high speed. Recommended for conventional and computer-controlled machine tools - CNC.

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18.75 mm HSS DIN 338 metal drill bit

18.75 mm HSS DIN 338 metal drill bit

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