BT 30 ER Collet Chuck


ER Collet Chucks are an ideal solution for most drilling and lighter higher speed milling applications producing operational speeds as high as 25,000 RPM. The versatile design of the ER Collet Chuck provides a wide range of machining options, from production to high precision machining. Simply select the right collet and nut combination from our range of performance choices to achieve the best toolholder for your application.  

ER Collet Chucks
  • Available in BT30 and BT30(F) Simulfit taper connections
  • Collet seat taper T.I.R. ≤ .0002”
  • Accepts DIN 6499 collets
  • Balanced to G2.5
  • Hardened to Rc: 52-56 to avoid damaging collet chuck treads
  • Constructed of alloy steel for long, durable service life
Collet Range Specifications

Collet & Nut Performance Choices