CMT Solid Carbide Downcut Spiral Router Bit, 1/4 in. is a precision spiral cutting tool engineered from a super-micrograin carbide formulation that holds a keen cutting edge through demanding routing tasks. Designed with a low-angle downcut spiral geometry, this bit shears wood fibers cleanly from above, pressing chips downward to prevent tearout on the upper face - making it the right choice whenever surface quality on the top side of the workpiece is critical. Whether you are routing solid hardwood, working with wood composites, sizing panels, or cutting plastic materials and laminates, this 2-flute solid carbide bit delivers clean results with efficient chip ejection and cooler tool temperatures.

Key Features

• Super-Micrograin Solid Carbide Construction - the entire bit body is manufactured from a special super-micrograin carbide formulation, producing and holding a keen cutting edge longer than conventional carbide-tipped alternatives and allowing more resharpenings over the tool's service life.
• Low-Angle Downcut Spiral Geometry - specifically designed to shear wood cleanly and drive chips downward into the cut, eliminating tearout and fraying on the upper face of veneer, laminate, melamine, and solid wood workpieces.
• Efficient Chip Ejection and Cooler Running - the new low-angle spiral promotes faster chip clearance from the cutting zone, reducing heat buildup at the cutting edge and extending edge life during continuous routing operations.
• Broad Material Compatibility - rated for use on solid wood, wood composites, plastic materials, and laminates, so a single bit handles panel sizing, copying, and general routing across a wide range of workshop and CNC applications.
• Right-Hand Rotation, 2-Flute Design - the twin-flute configuration with right-hand rotation is compatible with standard routers and CNC spindles, providing a balanced cut and smooth feed through the workpiece.
• 1/4 in. Shank Diameter - fits the most common router collets found on handheld routers, router tables, and compact CNC routing machines, requiring no adapter for everyday use.

Why This Product

• When upper-face finish quality cannot be compromised - on laminated panels, veneered sheet goods, or melamine - the downcut spiral geometry actively prevents tearout by pressing fibers down rather than lifting them, delivering a cleaner edge straight off the bit.
• The super-micrograin carbide formulation is engineered specifically to produce and maintain a sharper edge than standard carbide grades, which translates to fewer tool changes, more resharpenings, and a lower cost per linear foot of cut over time.
• The low-angle spiral runs cooler and ejects chips more efficiently than conventional spiral designs, reducing the risk of heat-related edge degradation during extended CNC routing sessions or high-volume panel sizing work.
• With a 1 in. cutting height, 2 1/2 in. total length, and a universal 1/4 in. shank, this bit integrates seamlessly into handheld routers, router tables, and CNC machines already in most shops - no special tooling required to start cutting.

Specifications

• Manufacturer Part Number: 192.008.11
• Brand: CMT Orange Tools
• Diameter: 1/4 in.
• Cutting Height: 1 in.
• Total Length: 2 1/2 in.
• Shank Diameter: 1/4 in.
• Number of Flutes: 2
• Rotation: Right-Hand (RH)
• Spiral Direction: Downcut
• Blade Material: Solid Carbide (HWM super-micrograin formulation)
• Product Type: Solid Carbide Downcut Spiral Router Bit

Approved Applications

• Cutting and panel sizing on solid wood and wood composites
• Upper-face finish routing where tearout prevention is critical
• Veneer and laminate routing
• Copying and template routing
• Routing plastic materials and laminates
• CNC routing operations
• Handheld router and router table applications