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BT 40 ER Series Collet Chucks

ER COLLET CHUCKS
  • Kingston: Balanced to 15,000 RPM @ g6.3
  • Spin Tru: Balanced to 20,000 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
Prices are pulled from our database in real time. Press Add button to see product price.
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)
2.50 0.75 2.25 22 Spin Tru B40-11ER250-KB
20,000G2.5 CN-ER11-K WR-ER11-K D
4.00 0.75 2.25 22 Spin Tru B40-11ER400-KB
20,000G2.5 CN-ER11-K WR-ER11-K D
6.00 0.75 2.25 22 Spin Tru B40-11ER600-KB
20,000G2.5 CN-ER11-K WR-ER11-K D
ER 16 ER-16 Collet Series-.020 - 0.393 (0.5mm - 10mm)
2.50 1.10 - 52 Kingston B40-16ER250-K
15,000G6.3 CN-ER16-K WR-ER16-K F
Spin Tru B40-16ER250-KB
20,000G2.5 CN-ER16-K WR-ER16-K D
3.00 1.10 - 52 Kingston B40-16ER300-K
15,000G6.3 CN-ER16-K WR-ER16-K F
3.50 1.10 - 52 Kingston B40-16ER350-K
15,000G6.3 CN-ER16-K WR-ER16-K F
2.83 Spin Tru B40-16ER350-KB
20,000G2.5 CN-ER16-K WR-ER16-K D
5.00 1.10 - 52 Kingston B40-16ER500-K
15,000G6.3 CN-ER16-K WR-ER16-K F
Spin Tru B40-16ER500-KB
20,000G2.5 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 B40-20ER250-K
15,000G6.3 CN-ER20-K WR-ER20-K F
Spin Tru B40-20ER250-KB
20,000G2.5 CN-ER20-K WR-ER20-K D
2.75 1.34 - 74 Kingston B40-20ER275-K
15,000G6.3 CN-ER20-K WR-ER20-K F
4.00 1.34 3.14 74 Spin Tru B40-20ER400-KB
20,000G2.5 CN-ER20-K WR-ER20-K D
6.00 1.34 - 74 Kingston B40-20ER600-K
15,000G6.3 CN-ER20-K WR-ER20-K F
Spin Tru B40-20ER600-KB
20,000G2.5 CN-ER20-K WR-ER20-K D
ER 25 ER-25 Collet Series-.039 - 0.630 (1mm - 16mm)
2.25 1.65 3.14 95 Spin Tru B40-25ER225-KB
20,000G2.5 CN-ER25-K WR-ER25-K D
2.50 1.65 - 95 Kingston B40-25ER250-K
15,000G6.3 CN-ER25-K WR-ER25-K F
Spin Tru B40-25ER250-KB
20,000G2.5 CN-ER25-K WR-ER25-K D
4.00 1.65 - 95 Kingston B40-25ER400-K
15,000G6.3 CN-ER25-K WR-ER25-K F
Spin Tru B40-25ER400-KB
20,000G2.5 CN-ER25-K WR-ER25-K D
6.00 1.65 - 95 Kingston B40-25ER600-K
15,000G6.3 CN-ER25-K WR-ER25-K F
Spin Tru B40-25ER600-KB
20,000G2.5 CN-ER25-K WR-ER25-K D
ER 32 ER-32 Collet Series-.040 - 0.810 (1mm - 20.6mm)
1.38 1.97 - 125 Spin Tru B40-32ER138-KB
20,000G2.5 CN-ER32-K WR-ER32-K D
2.75 1.97 - 125 Spin Tru B40-32ER275-KB
20,000G2.5 CN-ER32-K WR-ER32-K D
3.00 1.97 - 125 Kingston B40-32ER300-K
15,000G6.3 CN-ER32-K WR-ER32-K F
3.13 1.97 2.83 125 Spin Tru B40-32ER313-KB
20,000G2.5 CN-ER32-K WR-ER32-K D
4.00 1.97 - 125 Kingston B40-32ER400-K
15,000G6.3 CN-ER32-K WR-ER32-K F
5.00 1.97 3.93 125 Spin Tru B40-32ER500-KB
20,000G2.5 CN-ER32-K WR-ER32-K D
6.00 1.97 - 125 Kingston B40-32ER600-K
15,000G6.3 CN-ER32-K WR-ER32-K F
Spin Tru B40-32ER600-KB
20,000G2.5 CN-ER32-K WR-ER32-K D
ER 40 ER-40 Collet Series-.040 - 0.810 (1mm - 20.6mm)
3.00 2.48 - 140 Kingston B40-40ER300-K
15,000G6.3 CN-ER40-K WR-ER40-K F
3.13 2.48 3.62 140 Spin Tru B40-40ER313-KB
20,000G2.5 CN-ER40-K WR-ER40-K D
5.00 2.48 3.93 140 Spin Tru B40-40ER500-KB
20,000G2.5 CN-ER40-K WR-ER40-K D
6.00 2.48 - 140 Kingston B40-40ER600-K
15,000G6.3 CN-ER40-K WR-ER40-K F
Spin Tru B40-40ER600-KB
20,000G2.5 CN-ER40-K WR-ER40-K D