External and internal taper ground.
- All shanks hard turned (for smooth running!). Balancing quality G2.5/25,000 rpm.
- Clamping nut balanced for HSM (G2.5/25,000 rpm).
- Optimum wear characteristics and torque transmission due to the coated precision clamping nut.
For clamping tools with parallel shank in collets to DIN 6499 Form A and B.
ER clamping nut.
ER collets No. 308881 − 309434, ER chuck keys No. 309680 – 309745 or No. 613300.
Pull studs (PS) No. 308760 − 308806. Pull stud wrenches No. 308820; 308835.
Matching clamping nut No. 309580 or 309610.