CMT Roman Ogee Router Bit 1-1/8-Inch Diameter × 29/64-Inch Cutting Length × 5/32-Inch Radius × 1/4-Inch Shank
HW Z2
Roman Ogee Router Bit
CMT 840.270.11 is the exact 1-1/8-inch diameter variant in the 7/8/940 Roman ogee family. It combines a 29/64-inch cutting length, 5/32-inch radius, 1/4-inch shank, two carbide cutting edges, and a serviceable guide-bearing system for producing the classic Roman ogee edge profile in compatible woodworking applications.
Main Product Description
CMT 840.270.11 is one exact Item Code within the official 7/8/940 Roman ogee router-bit family. The verified row specifies a 1-1/8-inch cutting diameter, 29/64-inch cutting length, 5/32-inch profile radius, and 1/4-inch shank.
The bit uses two carbide cutting edges and a guide-bearing system to form the flowing, compound Roman ogee profile used on furniture, cabinetry, mouldings, and other decorative wood edges. CMT describes this profile as a classic woodworking treatment and recommends building the final form progressively.
The official product row identifies bearing 791.003.00, bearing shield 990.423.00, screw 990.058.00, and hex key 991.057.00 as the matching service components. Correct Item Code selection, collet fit, bearing condition, clearance, workholding, and equipment limits remain essential.
Best Fit Applications
Product Highlights
Verified 1-1/8-Inch Variant
Exact Item Code 840.270.11 combines a 1-1/8-inch diameter, 29/64-inch cutting length, and 5/32-inch profile radius.
Classic Roman Ogee Profile
The compound profile produces the flowing Roman ogee edge treatment used across furniture and decorative woodwork.
Serviceable Bearing System
CMT publishes exact matching codes for the guide bearing, shield, screw, and hex key used with this variant.
Compatibility & Installation Notes
Confirm exact Item Code 840.270.11 and a clean compatible 1/4-inch collet; do not select by the 7/8/940 family heading alone. Inspect the guide bearing and matching hardware before service, maintain adequate cutter and bearing clearance, and follow the router manufacturer’s requirements for guarding, workholding, operating limits, and controlled progressive cuts.
Classic Roman Ogee Profiling in a Verified 1/4-Inch-Shank Format
CMT 840.270.11 combines a 1-1/8-inch diameter, 29/64-inch cutting length, 5/32-inch radius, 1/4-inch shank, Z2 carbide geometry, and bearing-guided profile control.
Accurate Item Code selection, collet fit, bearing condition, cutter clearance, guarding, workholding, and equipment limits are essential to consistent decorative edge profiling.