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Short twist drill bit DIN 338 type H HSS, ground 7.8 mm

Short twist drill bit DIN 338 type H HSS, ground 7.8 mm

Short twist drill bit DIN 338 type H HSS, ground 7.8 mm
Item no: 1010210 169 

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Available in 6-8 working days.

Application
Special drill bit with wide, spacious chip flutes for hard, brittle, short-chipping materials.

Execution
  • Brass drill bits
  • Straight shank
  • Right-cutting
  • Cone polished section
  • Side chip angle 12°–16°
  • HSS, ground


Brand: HARTNER
Material to be processed: Brass
Cutting edge diameter: 7,8 mm
Length: 117 mm
Chip flute length: 75 mm
Max. drilling depth (D): 5xD
Angle of the tip: 118 Degree
Cutting material: HSS
Surface: Uncoated
Tool holding device: Cylinder shank
Type: H
DIN: 338
Coolant supply: External
Cutting direction: Right-hand cutting
Number of cutting edges: 2 PCS
f aluminium: 0,14 mm/r
Min. f in non-ferrous metals: 0,12 mm/r
Max. f in non-ferrous metals: 0,20 mm/r

Manufacturer part no.: 81020 7,8

EAN no.: 4031096052150

Product Datasheet Datasheet cutting values
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