Email: sales@calibertooling.com | Phone: (888) 988-8820
We ship from multiple warehouses throughout the USA
to get you what you need as fast as possible!
Millions of items in stock!
Fast online checkout - No account required
Cart 0
Cart 0

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
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)
2.50 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