BohrSTAR Kit Boring Toolholders

BohrSTAR boring kit for serious boring.

Features

  • Exceed industry standards for taper accuracy and concentricity
  • Two offset axial tapered locking screws maximize rigidity and allow fast tool changes
  • Reducers allow different size boring heads to be used with the same toolholder

Sizing Data

WKS toolholder
R8 toolholder
CAT & BT Styles
HSK Styles
Weldon & R8 Styles


Use drawings above to select your toolholder size

Part No.
Description
D
d
BD
L
l1
Coupling Screw
6134310
CT-340-54-120
54
28
4.724"
5.60"
3.00"
6811550
6134315
CT-340-54-160
54
28
6.299"
7.17"
4.57"
6811550
6134320
CT-340-54-200
54
28
7.874"
8.74"
6.14"
6811550
6141305
CT-350-54-90
54
28
3.543"
5.04"
2.44"
6811550
6141310
CT-350-54-160
54
28
6.299"
7.80"
5.20"
6811550
6141315
CT-350-54-200
54
28
7.874"
9.37"
6.77"
6811550
6140400
BT-340-54-90
54
28
3.543"
4.72"
2.13"
6811550
6140425
BT-340-54-160
54
28
6.299"
7.48"
4.88"
6811550
6140450
BT-340-54-200
54
28
7.874"
9.06"
6.46"
6811550
6150375
BT-350-54-90
54
28
3.543"
5.16"
2.56"
6811550
6150400
BT-350-54-160
54
28
6.299"
7.91"
5.31"
6811550
6150425
BT-350-54-200
54
28
7.874"
9.49"
6.90"
6811550
6155635
HSK-63A-54-110
54
28
4.331"
5.35"
2.76"
6811550
6155105
HSK-100A-54-110
54
28
4.331"
5.47"
2.76"
6811550
6165343
B-20-54-110-3/4 shank
54
12
4.331"
6811550
6165103
B-25-54-110-1.0 shank
54
15
4.331"
6811550
6165144
B-32-54-110-1-1/4 shank
54
24
4.331"
6811550
6165123
B-40-54-110-1-1/2 shank
54
24
4.331"
6811550
6165805
R8-54-110
54
28
4.331"
6811550