The CMT 838.945.11 Roundover Bit with Bearing is a carbide-tipped router bit engineered to produce smooth, consistent 5/8" radius roundover profiles on wood edges and surfaces. Built from fatigue-proof steel with a 1/2" shank and a 1 3/4" cutting diameter, this right-hand rotation bit is designed for use on router tables - making it the go-to choice for furniture makers, cabinetmakers, and woodworkers who need reliable, repeatable edge profiling on solid hardwood, softwood, sheet goods, and composite panel materials. The ball-bearing guide pilots along the workpiece edge to maintain a uniform depth of cut throughout the pass, eliminating guesswork and reducing setup time.

Key Features

• 5/8" Radius Roundover Profile - produces a smooth, consistent curved edge that softens sharp corners and gives furniture and cabinetry a finished, professional appearance in a single router table pass.
• 1 3/4" Cutting Diameter with 7/8" Cutting Height - provides a wide, deep cutting envelope suited to larger edge profiles on thick stock, reducing the number of passes needed.
• Ball-Bearing Pilot Guide - rides along the workpiece edge to control lateral depth automatically, delivering consistent results across the full length of any board without fences or jigs.
• Carbide-Tipped Cutting Edges (HW Material) - tungsten carbide tips hold a sharp edge longer than high-speed steel, meaning fewer sharpenings and more cuts before the bit needs service.
• Fatigue-Proof Steel Body - the body resists stress fractures and deformation under repeated routing loads, contributing to longer service life and safer operation.
• 2-Flute Design - two cutting edges provide a balanced cut, reducing vibration and producing a smoother surface finish that requires less sanding after routing.
• 1/2" Shank - the larger shank diameter reduces deflection and chatter compared to 1/4" shank bits, improving cut quality and extending bearing life, especially on harder materials.
• Right-Hand Rotation - standard right-hand rotation matches the spindle direction of virtually all routers and router tables, making this bit a direct drop-in for most setups.

Why This Product

• At a 5/8" radius, this bit handles one of the most popular roundover profiles in furniture and cabinetry - large enough to create a bold, smooth curve on thick stock while remaining controllable on a router table setup.
• The carbide-tipped, 2-flute cutting geometry delivers a cleaner surface finish directly off the bit, reducing the hand-sanding time needed to prepare edges for finishing.
• The ball-bearing pilot eliminates the need for a router table fence on edge-profiling tasks, simplifying workholding and allowing you to profile curved or irregular edges that a fence cannot follow.
• Bits in the 1" to 1 1/2" radius range from this CMT roundover series are engineered specifically for router table use, making this bit a purpose-built tool for stable, controlled operation on larger profiles rather than a handheld compromise.

Specifications

• Manufacturer Part Number: 838.945.11
• Brand: CMT Orange Tools
• Bit Type: Roundover Bit with Bearing
• Diameter: 1 3/4"
• Cutting Height: 7/8"
• Total Length: 2 3/4"
• Radius: 5/8"
• Shank: 1/2"
• Number of Flutes: 2
• Material: Carbide-Tipped (HW)
• Rotation: Right-Hand (RH)

Approved Applications

• Rounding over edges on solid hardwood and softwood
• Edge profiling on plywood, MDF, chipboard, and melamine panels
• Furniture edge work and cabinetry door profiling
• Softening sharp corners on tabletops, shelves, and casework
• Router table edge profiling on larger-radius profiles (1" to 1 1/2" radius bits recommended for router table use only)