Our ISO40 side lock adaptor (Weldon holder) is manufactured to DIN2080 with AT3 taper accuracy, holding runout to within 0.005mm. Studer-ground and balanced at 15,000 RPM after grinding, it grips straight-shank end mills and drills securely via a Weldon-flat locking screw — built for heavy roughing on CNC milling centers
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Our ISO40 side lock adaptor (Weldon holder) is manufactured to DIN2080 with AT3 taper accuracy, holding runout to within 0.005mm. Studer-ground and balanced at 15,000 RPM after grinding, it grips straight-shank end mills and drills securely via a Weldon-flat locking screw — built for heavy roughing on CNC milling centers










Our ISO40 side lock adaptor (Weldon holder) is manufactured to DIN2080 with AT3 taper accuracy, holding runout to within 0.005mm. Studer-ground and balanced at 15,000 RPM after grinding, it grips straight-shank end mills and drills securely via a Weldon-flat locking screw — built for heavy roughing on CNC milling centers