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Twist drill bit HSS-PM SG-coated 135° tip angle 3xD dia. 7.70 mm

Twist drill bit HSS-PM SG-coated 135° tip angle 3xD dia. 7.70 mm

Twist drill bit HSS-PM SG-coated 135° tip angle 3xD dia. 7.70 mm
Item no: 1010216 577 

Online price:

Available in 6-8 working days.

Application
For process-reliable and cost-effective drilling on CNC machines. For universal use.

Execution
  • Straight shank
  • Right-cutting
  • Helix angle 26–33°
  • dia. < 1.4 mm tip angle 118°, dia. > 1.4 mm tip angle 135°
  • dia. < 1.4 mm with thinned chisel edge
  • High-quality HSS-PM, ground, for steel up to 1,200 N/mm²
  • SG coating (TiCN multi-layer coating)

Notes
Note the respective length/diameter ratio of the bore diameter and the flute length. Use only high-precision tool chucks!

Brand: NACHI
Min. f in special alloys: 0,130 mm/r
Material to be processed: Universal use
Cutting edge diameter: 7,7 mm
Length: 75 mm
Chip flute length: 31 mm
Max. drilling depth (D): 3xD
Angle of the tip: 135 Degree
Cutting material: HSSE-PM
Surface: TiCN
Tool holding device: Cylinder shank
Type: SG-ESS
DIN: 1897
Coolant supply: External
Cutting direction: Right-hand cutting
Number of cutting edges: 2 PCS
Shank diameter: 8 mm
Min. f in non-ferrous metals: 0,290 mm/r
Max. f in non-ferrous metals: 0,290 mm/r
f steel 1000: 0,19 mm/r
Min. f in steel: 0,188 mm/r
Max. f in steel: 0,230 mm/r
Min. f in stainless steel: 0,130 mm/r
Max. f in stainless steel: 0,160 mm/r
Min. f in cast iron: 0,290 mm/r
Max. f in cast iron: 0,290 mm/r
Max. f in special alloys: 0,130 mm/r

Manufacturer part no.: L7572 7,70

Product Datasheet Datasheet cutting values
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