W1 ø3.3 Drilling MagicDrill DRV ChCahmafmerfienrginagttaattcahcmhemnetnftorfoDrRDVRV Applicable insert Dimension (mm) MEGACOAT NANO Applicable chamfering Insert Description W1 S PR1535 attachment R0.2 CH0503-45 7.05 3.18 ◦ DRV-CH00 10° S 43°40' How to install chamfering attachment Clamp bolt Chamfering insert Identification on inner edge K Instructions Chamfering insert 1. Install the attachment over the DRV body so that "∙∙∙" mark on the side of the attachment aligns with the inside flute edge (see image). 2. Adjust the position to avoid interference between Ridge the chamfering inserts, chamfering attachment ridges, and drill body flutes. Then fasten the clamp bolt with the recommended torque below. Flute of inner edge Inner edge Recommended tightening torque Description Tightening torque (N m) Clamp bolt Wrench DRV-CH17~CH26 10 HH6X18 LW-5 DRV-CH27 14 HH8X20 LW-6 K61