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Short twist drill bit DIN 338 type W HSS ground 7.8 mm

Short twist drill bit DIN 338 type W HSS ground 7.8 mm

Short twist drill bit DIN 338 type W HSS ground 7.8 mm
Item no: 1010211 169 

Online price:

Available in 6-8 working days.

Application
Special drill bit with wide, ground and polished chip flutes for soft, long-chipping materials.

Execution
  • Aluminium drill bit
  • Straight shank
  • Right-cutting
  • Cone polished section
  • Side chip angle 35°–40°
  • HSS, ground


Brand: HARTNER
Material to be processed: Aluminium
Cutting edge diameter: 7,8 mm
Length: 117 mm
Chip flute length: 75 mm
DIN: 338
Tool holding device: Cylinder shank
Angle of the tip: 130 Degree
Shank style: Cylindrical
Cutting material: HSS
Surface: Uncoated
Type: W
Coolant supply: External
Cutting direction: Right-hand cutting
Max. drilling depth (D): 5xD
Number of cutting edges: 2 PCS
f aluminium: 0,14 mm/r
Min. f in non-ferrous metals: 0,14 mm/r
Max. f in non-ferrous metals: 0,20 mm/r

Manufacturer part no.: 81030 7,8

EAN no.: 4031096059876

Product Datasheet Datasheet cutting values
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