Our ISO50 side lock adaptor (Weldon holder) is manufactured to DIN2080 with AT3 taper accuracy, holding runout to within 0.005mm. Studer-ground and balanced after grinding (RPM to confirm), it delivers a rigid, high-torque grip for larger-diameter end mills in heavy-duty roughing on ISO50 machining centers.
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Our ISO50 side lock adaptor (Weldon holder) is manufactured to DIN2080 with AT3 taper accuracy, holding runout to within 0.005mm. Studer-ground and balanced after grinding (RPM to confirm), it delivers a rigid, high-torque grip for larger-diameter end mills in heavy-duty roughing on ISO50 machining centers.











Our ISO50 side lock adaptor (Weldon holder) is manufactured to DIN2080 with AT3 taper accuracy, holding runout to within 0.005mm. Studer-ground and balanced after grinding (RPM to confirm), it delivers a rigid, high-torque grip for larger-diameter end mills in heavy-duty roughing on ISO50 machining centers.