CMT 3-Flute Slot Cutter with Arbor and Bearing - 1/8 Slot - 1/2 Shank

CMT Slot Cutter Arbor & Bearing, 1-7/8 in. Dia. 1/2 in. Shank

1-7/8 in. Diameter Slot Cutter Router Bit with 1/2 in. Shank

CMT Slot Cutters are designed for creating precise splines, biscuit joints, T-molding slots, and other woodworking applications. These cutters are available as a cutter only or with your choice of 1/4 in. or 1/2 in. diameter arbor. The included 7/8 in. diameter bearing allows for cutting depths up to 1/2 in., providing smooth, accurate results for a variety of routing tasks.

Built with CMT’s commitment to quality and performance, these slot cutters feature precision-ground carbide cutting edges, durable steel bodies, and advanced manufacturing techniques to deliver clean cuts and long-lasting performance.

Safety tips: Always wear a dust mask and eye protection when routing.

Safety precautions: Never use damaged or worn router bits. Always operate at the recommended feed rate without forcing the bit. Take extra care when making initial cuts with smaller diameter bits. For optimal results, make deeper cuts in multiple passes rather than removing too much material at once.

How CMT Produces High-Quality Router Bits

• Turning, Milling and Cutting: CMT uses advanced automated CNC machinery operated by specially trained technicians to manufacture router bit shanks and bodies with exceptional accuracy and balance. This precision ensures consistent performance and reliable results.
• Heat Forged Steel Bodies for Large Diameter Bits: Larger diameter router bits require additional manufacturing steps, including heat forging the steel before precision machining. This process creates a radial grain structure that increases strength, durability, and resistance to demanding cutting conditions.
• Brazing: CMT has pioneered advanced brazing techniques using custom-designed computerized equipment. The silver-copper-silver brazing process creates a strong bond between the carbide and steel body while providing a shock-absorbing effect that helps protect carbide tips during heavy cutting applications.
• Specially Formulated Carbide for Specific Applications: CMT develops carbide formulations tailored to specific woodworking needs. From extremely hard carbide for demanding materials like laminates to impact-resistant carbide for large profile cuts, each tool is engineered for the application it performs.
• Grinding and Sharpening: Every CMT router bit undergoes precision grinding and sharpening on multi-axis CNC machines. Each cutting edge is finished to exacting tolerances, producing a razor-sharp edge with excellent durability and cutting performance.