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ATORN stepped drill bit type N, HSSE medium quality grade M4 8.0 mm HA

ATORN stepped drill bit type N, HSSE medium quality grade M4 8.0 mm HA

1010853102 ATORN stepped drill bit type N, HSSE medium quality grade M4 8.0 mm HA
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Item no: 1010853 102 

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Available for immediate delivery

Application
According to DIN/ISO 273 and countersinking according to DIN 74, for cylinder head screws according to DIN 912, 6912, 7984 and ISO 1207. Hole and countersink produced in one machining step.

Execution
profile-ground

Advantage
  • precise alignment of drill diameter and countersink diameter, lower process costs
  • Special geometry for outstanding centring and positional accuracy


Brand: ATORN
Material to be processed: Universal use
Cutting material: HSSE
Surface: Uncoated
Type: N
Angle of the tip: 118 Degree
Tool holding device: HA parallel shank
Suitable for screw thread: M4
Pilot hole diameter (d1): 4,5 mm
Spot-facer diameter (d2): 8 mm
Pilot hole length (l3): 11 mm
Chip flute length (l2): 19 mm
Length (l1): 50 mm
Shank diameter: 8 mm
f steel 1000: 0,05 mm/r
DIN: 0 - not applicable

ATORN-No.: 10440175

EAN no.: 4050293013061

Product Datasheet Datasheet cutting values
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