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CAT 50 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
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 16 ER-16 Collet Series-.020 - 0.393 (0.5mm - 10mm)
4.12 1.10 - 52 Kingston C50-16ER412-K 15,000G6.3 CN-ER16-K WR-ER16-K F
4.12 1.10 2.76 52 Spin Tru C50-16ER412-KB 15,000G2.5 CN-ER16-K WR-ER16-K D
4.93 1.10 - 52 Kingston C50-16ER493-K 15,000G6.3 CN-ER16-K WR-ER16-K F
6.00 1.10 - 52 Kingston C50-16ER600-K 15,000G6.3 CN-ER16-K WR-ER16-K F
6.00 1.10 - 52 Spin Tru C50-16ER600-KB 15,000G2.5 CN-ER16-K WR-ER16-K D
8.00 1.10 2.76 52 Spin Tru C50-16ER800-KB 15,000G2.5 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 C50-20ER250-K 15,000G6.3 CN-ER20-K WR-ER20-K F
2.50 1.34 3.15 74 Spin Tru C50-20ER250-KB 15,000G2.5 CN-ER20-K WR-ER20-K D
4.00 1.34 - 74 Kingston C50-20ER400-K 15,000G6.3 CN-ER20-K WR-ER20-K F
4.00 1.34 - 74 Spin Tru C50-20ER400-KB 15,000G2.5 CN-ER20-K WR-ER20-K D
6.00 1.34 - 74 Kingston C50-20ER600-K 15,000G6.3 CN-ER20-K WR-ER20-K F
6.00 1.34 - 74 Spin Tru C50-20ER600-KB 15,000G2.5 CN-ER20-K WR-ER20-K D
8.00 1.34 - 74 Kingston C50-20ER800-K 15,000G6.3 CN-ER20-K WR-ER20-K F
8.00 1.34 3.15 74 Spin Tru C50-20ER800-KB 15,000G2.5 CN-ER20-K WR-ER20-K D
ER 25 ER-25 Collet Series-.039 - 0.630 (1mm - 16mm)
2.50 1.65 3.93 95 Spin Tru C50-25ER250-KB 15,000G2.5 CN-ER25-K WR-ER25-K D
4.00 1.65 - 95 Kingston C50-25ER400-K 15,000G6.3 CN-ER25-K WR-ER25-K F
4.00 1.65 - 95 Spin Tru C50-25ER400-KB 15,000G2.5 CN-ER25-K WR-ER25-K D
6.00 1.65 - 95 Kingston C50-25ER600-K 15,000G6.3 CN-ER25-K WR-ER25-K F
6.00 1.65 - 95 Spin Tru C50-25ER600-KB 15,000G2.5 CN-ER25-K WR-ER25-K D
8.00 1.65 - 95 Kingston C50-25ER800-K 15,000G6.3 CN-ER25-K WR-ER25-K F
8.00 1.65 - 95 Spin Tru C50-25ER800-KB 15,000G2.5 CN-ER25-K WR-ER25-K D
ER 32 ER-32 Collet Series-.040 - 0.810 (1mm - 20.6mm)
1.06 1.97 - 125 Spin Tru C50-32ER106-KB 15,000G2.5 CN-ER32-K WR-ER32-K D
1.69 1.97 - 125 Spin Tru C50-32ER169-KB 15,000G2.5 CN-ER32-K WR-ER32-K D
4.00 1.97 - 125 Kingston C50-32ER400-K 15,000G6.3 CN-ER32-K WR-ER32-K F
4.00 1.97 - 125 Spin Tru C50-32ER400-KB 15,000G2.5 CN-ER32-K WR-ER32-K D
6.00 1.97 - 125 Kingston C50-32ER600-K 15,000G6.3 CN-ER32-K WR-ER32-K F
6.00 1.97 - 125 Spin Tru C50-32ER600-KB 15,000G2.5 CN-ER32-K WR-ER32-K D
8.00 1.97 3.94 125 Spin Tru C50-32ER800-KB 15,000G2.5 CN-ER32-K WR-ER32-K D
ER 40 ER-40 Collet Series-.040 - 0.810 (1mm - 20.6mm)
1.06 2.48 - 140 Spin Tru C50-40ER106-KB 15,000G2.5 CN-ER40-K WR-ER40-K D
1.69 2.48 - 140 Spin Tru C50-40ER169-KB 15,000G2.5 CN-ER40-K WR-ER40-K D
3.00 2.48 - 140 Kingston C50-40ER300-K 15,000G6.3 CN-ER40-K WR-ER40-K F
3.00 2.48 - 140 Spin Tru C50-40ER300-KB 15,000G2.5 CN-ER40-K WR-ER40-K D
4.00 2.48 - 140 Kingston C50-40ER400-K 15,000G6.3 CN-ER40-K WR-ER40-K F
4.00 2.48 - 140 Spin Tru C50-40ER400-KB 15,000G2.5 CN-ER40-K WR-ER40-K D
6.00 2.48 - 140 Kingston C50-40ER600-K 15,000G6.3 CN-ER40-K WR-ER40-K F
6.00 2.48 - 140 Spin Tru C50-40ER600-KB 15,000G2.5 CN-ER40-K WR-ER40-K D
8.00 2.48 5.91 140 Spin Tru C50-40ER800-KB 15,000G2.5 CN-ER40-K WR-ER40-K D