
Techniks Capto Compatible* ER chucks handle a wide range of machining tasks without having to buy dedicated toolholders. Simply choose the right size collet for the job, set tool depth, and tighten the collet nut and pull stud to the proper torque using a torque wrench and tightening fixure.

*Compatible with the Capto tool system. Techniks products are not affiliated with or endorsed by Sandvik AB.
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Features
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Balanced to 25,000 RPM at G2.5
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T.I.R. 0.0001" or better
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Techniks Certified Tooling means the critical features of each holder has been individually lab tested, measured and inspected for quality. Depending on the holder this can include: balance, dimensional accuracy, collet pocket runout (T.I.R.), bore I.D. and taper accuracy. Techniks Certified guarantees your holder will meet or beat our published specifications.
Precision collets are available for: drilling, milling, coolant thru, and high-speed applications. Use special “DNA” Dead Nuts Accurate collets to maintain T.I.R. at shank sizes 6mm or smaller.
Also see our Capto Compatible: End Mill Holders, Face Mill Arbors, ShrinkFIT Holders, SlimFIT Holders, and Turning Tools.
Refer to the tables below to order. |
C4 ER Collet Chucks
Part No. |
Description |
L |
l1 |
d1 |
d2 |
Size Range |
141.122.16.070 |
Capto C4 x ER16–70mm |
94mm |
70mm |
28mm |
28mm |
1.0–10.0mm |
141.122.25.052 |
Capto C4 x ER2–52mm |
76mm |
52mm |
42mm |
42mm |
1.0–16.0mm |
141.122.32.054 |
Capto C4 x ER32–54mm |
78mm |
54mm |
50mm |
50mm |
2.0–20.0mm |
C5 ER Collet Chucks
| Part No. |
Description |
L |
l1 |
d1 |
d2 |
Size Range |
| 142.122.16.100 |
Capto C5 x ER16—100mm |
130mm |
100mm |
28mm |
28mm |
1.0—10.0mm |
| 142.122.25.055 |
Capto C5 x ER25—55mm |
82mm |
55mm |
42mm |
42mm |
1.0—16.0mm |
| 142.122.32.057 |
Capto C5 x ER 32—57mm |
84mm |
57mm |
50mm |
50mm |
2.0—20mm |
C6 ER Collet Chucks
Part No. |
Description |
L |
l1 |
d1 |
d2 |
Size Range |
| 143.122.16.100 |
Capto C6 x ER16—100mm |
138mm |
100mm |
28mm |
28mm |
1.0—10.0mm |
| 143.122.25.060 |
Capto C6 x ER25—60mm |
98mm |
60mm |
42mm |
42mm |
1.0—160mm |
| 143.122.32.070 |
Capto C6 x ER32—70mm |
108mm |
70mm |
50mm |
50mm |
2.0—20.0mm |
| 143.122.40.065 |
Capto C6 x ER40—65mm |
103mm |
65mm |
63mm |
63mm |
3.0—26.0mm |
| 143.123.08.600 |
Capto C6 x ER8M—6" |
190mm |
6" |
12mm |
16mm |
0.5—5.0mm |
| 143.123.11.600 |
Capto C6 x ER11M—6" |
190mm |
6" |
19mm |
20mm |
0.5—7.0mm |
| 143.123.16.600 |
Capto C6 x ER16M—6" |
190mm |
6" |
22mm |
25mm |
1.0—10.0mm |
| 143.123.20.600 |
Capto C6 x ER20M—6" |
190mm |
6" |
28mm |
32mm |
2.0—16.0mm |
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