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<strong>Technical</strong> <strong>Information</strong><br />
<strong>Technical</strong> <strong>Information</strong><br />
Collets<br />
TG Collet Series<br />
The TG collet series is the first choice when high precision, gripping torque, and<br />
versatility are required. These single-angle collet chucks grip at approximately<br />
3:1 for grip torque versus tightening torque without a stop screw.<br />
Standard Collet<br />
• 0,40mm (.016") maximum collapse.<br />
Bonded Seal Collet<br />
• 0,13mm (.005") maximum collapse.<br />
• 100 bar (1,500 psi) coolant pressure.<br />
DA Collet Series<br />
DA-style collet chucks have a grip of approximately 1:1 tightening torque<br />
versus grip torque.<br />
ER Collet Series<br />
The ER collet series is an international standard style used for many<br />
applications. Collets from this series are ideal for boring, milling, reaming,<br />
tapping, and grinding.<br />
ER collets are manufactured from alloy steel and hardened for long life.<br />
They offer a grip of approximately 2:1 tightening torque versus grip torque.<br />
See page M103 for assembly/disassembly instructions.<br />
The taper’s slow angle produces a sticking action, so collets must be snapped<br />
into the locknut before assembling the locknut onto the chuck. Follow the<br />
procedure on page M103 for assembly/disassembly instructions.<br />
M102 www.kennametal.com
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