CMT 661.021.41 Roundover Bits w/Insert Knives 57/64" x 49/64" (R=5/64") S=1/4" Black powder coat Superior performance on stainless steel

Superior performance on stainless steel and hardened steel

550 is a 55mm Forstner Bit for drilling precise flat-bottom holes in softwood

Nominal beam width: 4x

Can decorative side plates be added to the APB66 post base

CMT 661.021.41 Roundover Bits w/Insert Knives 57/64" x 49/64" (R=5/64") S=1/4" Black powder coat Superior performance on stainless steelThe CMT 661. 021. 41 is a 57 64 inch roundover router bit with two replaceable insert knives (R=5 64 inch) and 1 4 inch shank. Features a 4 sided knife insert that can be rotated for 4 usable cutting edges. For rounding over edges on hardwood, softwood, laminates, and chipboard. Bearing guide for accurate edge following. SPECIFICATIONS Order Number 661. 021. 41 Cutting Diameter 57 64" Radius (R) 5 64" Cutting Length (I) 49 64" Shank Diameter 1 4"