CMT 822.004.11 Two-Flute Slot Cutter by CMT is an industrial-quality, carbide-tipped slot cutter designed for precise horizontal groove cutting in solid hardwood, softwood, plywood, MDF, and a wide range of engineered wood products. With a 1 3/8 in. cutting diameter, a 5/16 in. cutting height, and a right-hand rotation, this two-tooth router bit delivers smooth, clean slots for biscuit joinery, spline grooves, T-slot and H-slot channels, and panel joinery work. It is designed for use with a compatible slot cutter arbor from the CMT 855.801M series, making it a versatile addition to handheld router, router table, and CNC routing machine setups. The HW (tungsten carbide) cutting tips hold their edge through repeated passes in dense timber and composite materials, making this cutter a reliable choice for flooring, inlay, and cabinetry applications.

Key Features

• CMT Orange Shield Non-Stick Coating - prevents the bit from heating up during extended runs, reduces pitch and resin buildup on the carbide tips, protects against corrosion, and extends overall tool life so fewer replacements are needed between projects.
• SinterHIP Industrial Chrome Carbide - tungsten carbide tips processed via Hot Isostatic Pressing (HIP) eliminate internal voids in the carbide material, preventing premature material failure and delivering a longer cutting life in demanding hardwood and composite applications.
• Tri-Metal Brazing (Silver-Copper-Silver) - the three-layer silver-copper-silver brazing method anchors carbide tips securely to the body, reducing the risk of failed welds when cutting harder wood species or composite panels.
• Anti-Kickback Design - controls the depth of cut at each pass, minimizing kickback risk and improving operator safety during handheld and table-mounted routing operations.
• Two-Flute (Z=2) Configuration - the dual cutting edges deliver smooth chip evacuation and a cleaner slot finish, reducing tearout in solid hardwood, MDF, and laminate surfaces.
• Right-Hand (RH) Rotation - matches the standard rotation direction of most handheld routers, router tables, and CNC routing machines for straightforward setup and compatibility.
• 8 mm Bore Diameter - sized to mount directly on compatible CMT 855.801M arbors, ensuring a secure, centered fit that keeps cuts accurate and true throughout the workpiece.

Why This Product

• The 5/16 in. cutting height is purpose-built for standard biscuit slot and spline groove dimensions, eliminating the need for multiple passes or custom setups when joining panels and solid wood boards.
• HW carbide tips processed with SinterHIP technology stay sharp even after several passes through dense timber and composite materials, reducing downtime from frequent bit changes in production or high-volume flooring and inlay work.
• The anti-kickback body geometry makes this cutter appropriate for both freehand handheld routing and fixed router table use, giving woodworkers flexibility across a range of project setups without switching tools.
• Compatibility with the CMT 855.801M arbor system allows this cutter to be swapped in and out of an existing arbor setup quickly, so a single arbor can support multiple slot cutter profiles for different groove widths or joinery styles.

Specifications

• Manufacturer Part Number: 822.004.11
• Brand: CMT Orange Tools
• Diameter: 1 3/8 in.
• Bore Diameter: 8 mm
• Cutting Height: 9/16 in.
• Number of Teeth: 2
• Rotation: Right-Hand (RH)
• Blade Material: HW (Tungsten Carbide)
• Product Type: Two-Flute Slot Cutter
• Compatible Arbor: CMT 855.801M

Approved Applications

• T-Slot and H-Slot Cutting
• Biscuit Slot Cutting
• Spline Groove Routing
• Panel Joinery
• Flooring and Inlay Applications