Lead angle 0°/ 2° MEW Arbor identification system BT30 K - M08 - 45 Arbor size Double-face Thread size Length from clamping spindle for clamping gauge line How to attach head 1. When clamping the head on the arbor, make sure there is no dust or chips inside (Fig. 1). Do NOT put lubricant on the clamping portion. Ensure there are NO chips between the arbor and head Fig. 1 2. Attach the head on the arbor and fix it using the wrench (Fig. 2). Ref. to the Table 1 for Recommended tightening torque. Note: The wrench is NOT included in the products. Table 1 recommended head tightening torque Recommended tighteningThread size for clampingWrench double width [mm]torque [N∙m]Ref. to the Table 1for the wrench size M8 12 23 and recommended tightening torque M M10M12 1519 4680 Fig. 2 M16 24 90 3. Confirm that the head is fixed firmly on the arbor. (Fig. 3) No clearance in between Frequently asked question Fig. 3 Q: Can the double-face clamping arbor be mounted on a general BT spindle? A: Yes. It can be used as a general BT arbor with a general BT spindle. No clearance Clearance It can be used as a general BT arbor, though the advantage of the double-face clamping will not be shown. Double-face clamping arbor mounted Double-face clamping arbor on double-face clamping spindle mounted on general spindle M44 Milling