Spring Collets / Clamping Collets - ER Collets, Porter-Cable and Bosch
ER Collets Ultra Precision
Steel - SUJ 2
H.R.C. 46
Surface Roughness Rz 2.5
Clamping capacity:
H.R.C. 46
Surface Roughness Rz 2.5
Clamping capacity:
- ER8, ER11 - 0.5 mm (.020")
- ER16, 20, 32, 40 - 1.0 mm (.039")
Porter-Cable Collets
Steel - SUJ 2
H.R.C. 45-52
Surface Roughness - Ra 0.5 um
Internal hole by boring machine
SG (standard grade) TIR < 0.015 mm
PG (precision grade) TIR < 0.01 mm
UP (ultra-precision grade) TIR < 0.005 mm
H.R.C. 45-52
Surface Roughness - Ra 0.5 um
Internal hole by boring machine
SG (standard grade) TIR < 0.015 mm
PG (precision grade) TIR < 0.01 mm
UP (ultra-precision grade) TIR < 0.005 mm
Bosch 1618 Collets
Steel - SUJ 2
H.R.C. 45-52
Surface Roughness - Ra 0.5 um
Internal hole by boring machine
SG (standard grade) TIR < 0.015 mm
PG (precision grade) TIR < 0.01 mm
UP (ultra-precision grade) TIR < 0.005 mm
H.R.C. 45-52
Surface Roughness - Ra 0.5 um
Internal hole by boring machine
SG (standard grade) TIR < 0.015 mm
PG (precision grade) TIR < 0.01 mm
UP (ultra-precision grade) TIR < 0.005 mm
Bosch Colt Collets
Steel - SUJ 2
H.R.C. 45-52
Surface Roughness - Ra 0.5 um
Internal hole by boring machine
SG (standard grade) TIR < 0.015 mm
PG (precision grade) TIR < 0.01 mm
H.R.C. 45-52
Surface Roughness - Ra 0.5 um
Internal hole by boring machine
SG (standard grade) TIR < 0.015 mm
PG (precision grade) TIR < 0.01 mm
