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.
Note:
Flute length LC = L2 + 1.5 × DC.
HB and HE shanks are available at the same price as HA.
For HB shanks: use order No. 121201 + 129100HB.
For HE shanks: use order No. 121201 + 129100HE.
Semi-Standard: yes
Standard: Manufacturer's standard
Tolerance nominal ?: ±0.003
Number of cutting edges Z: 1
Tolerance nominal ?: ±0.003
recommended maximum drilling depth L2: 5.5 mm
Overall length L: 45 mm
Shank ? Ds: 3 mm
Feed f in PEEK: 0.1 mm/rev.
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.
Note:
Flute length LC = L2 + 1.5 × DC.
HB and HE shanks are available at the same price as HA.
For HB shanks: use order No. 121201 + 129100HB.
For HE shanks: use order No. 121201 + 129100HE.
Semi-Standard: yes
Standard: Manufacturer's standard
Tolerance nominal ?: ±0.003
Number of cutting edges Z: 1
Tolerance nominal ?: ±0.003
recommended maximum drilling depth L2: 5.5 mm
Overall length L: 45 mm
Shank ? Ds: 3 mm
Feed f in PEEK: 0.1 mm/rev.
