Article no.: 121201
Description
Version:
Spiral flute precision drill for plastics. Self-centring with 1-cutter geometry, achieves very high alignment accuracy. Polished helical flutes for optimum chip evacuation.
Maintains the tolerance band IT7 from entry ⌀ through to exit ⌀, due to special point geometry.
Maintains the tolerance band IT7 from entry ⌀ through to exit ⌀, due to special point geometry.
Recommendation:
Flute length LC = L2 + 1.5 × DC.
Note:
Form HB and HE supplied at the same price as HA.
Form HB: order with No.121201 + 129100HB.
Form HE: order with No.121201 + 129100HE.
Form HB: order with No.121201 + 129100HB.
Form HE: order with No.121201 + 129100HE.
Technical Data
Coating
uncoated
Tool material
Solid carbide
Drill depth up to
5×D
Point angle
120 degrees
Shank
DIN 6535 HA to h6
Through-coolant
no
Colour ring
without
Type of product
Jobber drill
Application Table
N
30
N
50
N
50
N
50
N
50
N
60
N
60
N
60
N
50
N
40
N
40
