ER Collet Chuck, Form AD, BT 40, Projection: 100, for ER Collet: 16mm

Taper ground internally and externally. All shanks hard turned for smooth running!. With RFID/Balluffchip bore. High-quality precision clamping nut. Clamping nut balanced for HSM G2.5/25-000 rpm. Optimum wear characteristics and torque transmission due to the coated precision clamping nut. Advantage: The double contact between the taper and the flat flange creates a more stable and precise clamping situation: Better surface quality Longer tool life times Consistent seating in the headstock even at high speeds Smaller radial run-outA BT double contact arbor can also be used in a standard BT machine spindle - and vice versa. The advantages of the double contact are however achieved only when a double contact arbor and double contact spindle are used together. The double contact between the taper and the flat flange creates a more stable and precise clamping situation: Better surface quality Longer tool life times Consistent seating in the headstock even at high speeds Smaller radial run-outA BT double contact arbor can also be used in a standard BT machine spindle - and vice versa. The advantages of the double contact are however achieved only when a double contact arbor and double contact spindle are used together. Application: For clamping tools with parallel shank in collets to DIN 6499 Form A and B. Supplied with: Including ER clamping nut. Optional extras: ER collets No. 308881 309434, ER chuck keys No. 309680 - 309720 or 613300, ER clamping nut 309610. Pull studs PS No. 308760 308806. Pull stud wrenches No. 308820, 308835. Pull studs PS No. 308760 308806. Pull stud wrenches No. 308820, 308835. Note: Matching clamping nut No. 309580 or 309610. Clamping range: 0.5 10 mm Overhang dimension A: 100 mm a: 1 mm External Dia D: 28 mm Spare ER clamping nut No. 309580: 16 ER chuck key No. 309680: 16