The CMT Rail and Stile Bit Set - Profile C is a matched pair of router bits engineered to produce clean, precise male-female joints for cabinet door frames and frame-and-panel assemblies. Designed for use with solid hardwood, softwood, MDF, plywood, and a range of composite sheet goods, this bit set delivers complementary profiles that lock together with accuracy, making it a reliable choice for both professional cabinetmakers and serious woodworking enthusiasts tackling door frame routing projects.

Key Features

• Matched Rail and Stile Profile C Pair - both bits are factory-matched to Profile C, so the rail and stile profiles interlock cleanly every time, eliminating alignment guesswork and reducing setup time.
• Carbide-Tipped Cutting Edges (HW) - industrial-grade carbide tips stay sharp longer through hardwood and composite materials, reducing the frequency of bit changes and keeping edges consistent across extended production runs.
• Right-Hand Rotation - compatible with standard handheld routers, router tables, and CNC routing machines without any special configuration.
• 1/2 in. Shank Diameter - the larger shank reduces vibration and flex during cutting, contributing to smoother profiles and a better surface finish on door frame joints.
• Maximum Workpiece Thickness of 23/32 in. to 7/8 in. - accommodates typical cabinet door stock dimensions, so there is no need to remill material before routing.
• 2-Tooth Cutter Configuration - two cutting edges balance feed rate and chip clearance, supporting efficient material removal with less heat buildup on each pass.
• CMT Orange Shield Non-Stick Coating - prevents the bit from overheating, reduces pitch and resin buildup on the cutting surfaces, and protects against corrosion, extending the working life of the tool.
• SinterHIP Industrial Chrome Carbide - carbide processed via Hot Isostatic Pressing prevents material failure at the tip and extends overall cutting life, especially when routing harder wood species or composites.
• Tri-Metal Silver-Copper-Silver Brazing - this layered brazing method bonds the carbide tip to the bit body more securely, protecting the joint when cutting harder materials and reducing the risk of tip separation.

Why This Product

• Purpose-matched bit pair for Profile C joinery - because both the rail bit and the stile bit are factory-paired to the same Profile C geometry, the resulting joints fit together without shimming, shimming, or trial-and-error adjustments, saving setup time on production door runs.
• Wide material compatibility for cabinet shop versatility - the set handles solid hardwood, softwood, plywood, MDF, chipboard, laminates, melamine, and plastic, so one tool covers the full range of typical cabinet door frame materials.
• Built for router table and handheld router use - the 1/2 in. shank and right-hand rotation make this set compatible with standard router tables, handheld routers, and CNC routing machines, giving shops flexibility in how they run production.
• Extended tool life through advanced carbide and coating technology - the combination of SinterHIP carbide, Tri-Metal brazing, and the Orange Shield non-stick coating means the bits resist heat, resin buildup, and tip failure longer, reducing replacement cost over time.

Specifications

• Manufacturer Part Number: 891.503.11
• Brand: CMT Orange Tools
• Diameter: 1-3/4 in.
• Cutting Height: 45/64 in.
• Total Length: 2-51/64 in.
• Shank: 1/2 in.
• Maximum Workpiece Thickness: 23/32 in. - 7/8 in.
• Number of Teeth: 2
• Rotation: Right-Hand (RH)
• Profile: C
• Blade Material: Carbide-Tipped (HW)
• Product Type: Rail and Stile Bit Set

Approved Applications

• Rail and Stile Joinery
• Cabinet Door Frame Routing
• Frame and Panel Door Construction

What's Included

• 1x Rail Bit - Profile C
• 1x Stile Bit - Profile C