For the spring collets see our item T119; for the clamping nuts see our item Z091 (without ball bearing nut) and/or Z091 (with ball bearing nut); for the wrenches see our item Z052 (standard) and/or Z052 (torque).
The "A" measure will be determined with clamped router bits' shanks by using both our spring collets DIN6499. The "A" measure may be subject to variations depending on the diameter of the clamped tools.
