CMT 661.021.41 Roundover Bits w/Insert Knives 57/64" x 49/64" (R=5/64") S=1/4" Made to Order and 1/4-inch shank

and 1/4-inch shank

Studs & Tubing (Wall thickness 1/8" (11 gauge) min 1/2" max)

Width: 5-1/2 in

The CMT 550-076X is a 3" (76mm) Multi-Purpose TCT Hole Saw (Series 550X) with XTREME FAST Push&Lock system

Rotatable Insert Knife Rotate insert knife to expose fresh cutting edges as each dulls -- maximizing knife life without regrinding

CMT 661.021.41 Roundover Bits w/Insert Knives 57/64" x 49/64" (R=5/64") S=1/4" Made to Order and 1/4-inch shankThe 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"