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BT 30 ER Series Collet Chucks

ER COLLET CHUCKS
  • Kingston: Balanced to 15,000 RPM @ g6.3
  • Spin Tru: Balanced to 30,000 RPM @ g2.5
  • Manufactured to ISO9002 quality control standards
  • Each holder balanced on a HAIMER Balancing machine (certificate included)
  • Accuracy: 0.0002" TIR or better
  • Taper cone circularity per AT3 specifications .00006" or better
  • H5 bore tolerance for optimum surface contact with cutting tool
  • ER Collet Nuts are Power Coated for increased clamping force
  • Thru-tool coolant feature is standard
To order any of these items enter the Part Number into the search bar above. (This will take you to the product page where you can add the item to the shopping cart)
C Proj. B Nut Dia. D Socket Depth Nut Tight. Torque (ft.lbs.) Brand Part Number MAX RPM Balanced Up to Collet Nut Wrench Code
ER 11 ER-11 Collet Series-.020 - 0.275 (0.5mm - 7mm)
2.00 0.75 1.75 22 Spin Tru B30-11ER200-KB 30,000G2.5 CN-ER11-K WR-ER11-K D
4.00 0.75 2.25 22 Spin Tru B30-11ER400-KB 30,000G2.5 CN-ER11-K WR-ER11-K D
ER 16 ER-16 Collet Series-.020 - 0.393 (0.5mm - 10mm)
2.36 1.1 - 52 Kingston B30-16ER236-K 15,000G6.3 CN-ER16-K WR-ER16-K F
2.55 Spin Tru B30-16ER236-KB 30,000G2.5 CN-ER16-K WR-ER16-K D
4.00 1.1 - 52 Kingston B30-16ER400-K 15,000G6.3 CN-ER16-K WR-ER16-K F
2.55 Spin Tru B30-16ER400-KB 30,000G2.5 CN-ER16-K WR-ER16-K D
5.00 1.1 2.55 52 Spin Tru B30-16ER500-KB 30,000G2.5 CN-ER16-K WR-ER16-K D
6.00 1.1 2.55 52 Spin Tru B30-16ER600-KB 30,000G2.5 CN-ER16-K WR-ER16-K D
ER 20 ER-20 Collet Series-.020 - 0.500 (0.5mm - 12.7mm)
2.50 1.34 - 74 Kingston B30-20ER250-K 15,000G6.3 CN-ER20-K WR-ER20-K F
Spin Tru B30-20ER250-KB 30,000G2.5 CN-ER20-K WR-ER20-K D
4.00 1.34 2.63 74 Spin Tru B30-20ER400-KB 30,000G2.5 CN-ER20-K WR-ER20-K D
ER 25 ER-25 Collet Series-.039 - 0.630 (1mm - 16mm)
2.00 1.65 2.55 95 Spin Tru B30-25ER200-KB 30,000G2.5 CN-ER25-K WR-ER25-K D
2.50 1.65 - 95 Kingston B30-25ER250-K 15,000G6.3 CN-ER25-K WR-ER25-K F
Spin Tru B30-25ER250-KB 30,000G2.5 CN-ER25-K WR-ER25-K D
4.00 1.65 2.55 95 Spin Tru B30-25ER400-KB 30,000G2.5 CN-ER25-K WR-ER25-K D
ER 32 ER-32 Collet Series-.040 - 0.810 (1mm - 20.6mm)
3.00 1.97 - 125 Kingston B30-32ER300-K 15,000G6.3 CN-ER32-K WR-ER32-K F
2.4 Spin Tru B30-32ER300-KB 30,000G2.5 CN-ER32-K WR-ER32-K D
5.00 1.97 2.4 125 Spin Tru B30-32ER500-KB 30,000G2.5 CN-ER32-K WR-ER32-K D