“Power Coat” ER Collet Nuts


“Power Coat” is an innovative, permanent coating that increases clamping pressure of the nut up to 75% compared to standard ER nuts. More holding power reduces the chance of spinning the shank of the tool inside the collet, which can cause
premature failure of the collet.

"Power Coat" Nut Features

  • Increase holding power up to 75%

  • Reduce T.I.R., extend tool life up to 20%

  • Reduce T.I.R., extend tool life up to 20%

  • Coolant style available

* Recommended torque is 80-90% of maximum value.
* Torque Wrenches available!

“Power Coat” Ultra High-Speed ER Collet Nuts (For speeds above 15,000 RPM)

Part No. Description D B M Max. Speed Wrench Max Torque*
46111 ER RH 11 B Nut 19mm 11.8mm M14 x 0.75 70,000 4608 20 ft/lbs.
46116 ER RH 16 B Nut 27.5mm 18.0mm M22 x 1.5 65,000 4613 50 ft/lbs.
46120 ER RH 20 B Nut 35mm 19.5mm M25 x 1.5 60,000 4614 75 ft/lbs.
46125 ER RH 25 B Nut 42mm 20.5mm M32 x 1.5 55,000 4615 95 ft/lbs.
46132 ER RH 32 B Nut 50mm 23.0mm M40 x 1.5 50,000 4616 125 ft/lbs.
46140 ER RH 40 B Nut 63mm 26.0mm M50 x 1.5 40,000 4617 140 ft/lbs.