CMT 191.003.11 Solid Carbide Upcut Spiral Router Bit - 5/32" x 1/2" x 2" with 1/4" Shank, Right-Hand Rotation is a precision-ground, two-flute routing tool engineered for clean material removal in deep slots, pockets, and through-cuts. Built entirely from a special super-micrograin carbide formulation, this upcut spiral bit is designed to shear wood cleanly while ejecting chips upward out of the cut, keeping the work area clear and the cutting edge running cool. Whether you are running a CNC routing machine, a router table, or a handheld router, this 5/32" spiral bit delivers consistent, accurate results across a wide range of materials including solid hardwood, softwood, plywood, MDF, and plastic.

Key Features

• Super-Micrograin Carbide Construction - A special super-micrograin carbide formulation produces and holds a keen cutting edge, meaning the tool runs cooler and the edges last longer compared to standard carbide grades, allowing more resharpenings over the life of the bit.
• Low-Angle Upcut Spiral Geometry - The new low-angle spiral is designed specifically to shear wood cleanly and provide efficient chip ejection, pulling chips upward and away from the cut to prevent recutting, burning, and clogging in deep pockets or narrow slots.
• Two-Flute Design - A 2-flute configuration balances material removal speed with surface quality, delivering a clean bottom-face finish while maintaining chip clearance in demanding routing operations.
• 1/4" Shank - The 1/4" shank provides broad compatibility with standard router collets used in CNC machines, router tables, and handheld routers, making this bit a versatile addition to any routing setup.
• 5/32" Cutting Diameter with 1/2" Cutting Height - The small-diameter, short-flute geometry is purpose-built for precise narrow slots, fine detail work, and tight-tolerance pockets where larger bits simply cannot fit.
• Right-Hand Rotation - Standard right-hand (RH) rotation is compatible with the vast majority of routing machines and handheld routers, requiring no special setup or toolholder modifications.

Why This Product

• The super-micrograin carbide formulation keeps cutting edges sharper for longer, reducing the frequency of bit changes and downtime during production runs on hardwood, softwood, plywood, MDF, and plastic.
• The upcut spiral geometry actively pulls chips out of the cut, making this bit an effective choice for deep pocket routing and narrow through-cuts where chip buildup would otherwise cause overheating or surface damage.
• At 5/32" diameter and 2" total length with a 1/4" shank, this bit fills a specific need for fine, narrow-slot routing where standard 1/4" or larger bits are too large for the intended geometry.
• The low-angle spiral shears material rather than scraping it, resulting in a cleaner cut on the bottom face of the workpiece - particularly valuable in finish-critical applications on laminate, melamine, and solid wood panels.

Specifications

• Manufacturer Part Number: 191.003.11
• Brand: CMT Orange Tools
• Diameter: 5/32"
• Cutting Height: 1/2"
• Total Length: 2"
• Shank: 1/4"
• Number of Teeth: 2
• Rotation: Right-Hand (RH)
• Material: Solid Carbide (HWM)
• Product Type: Upcut Spiral Router Bit

Approved Applications

• CNC Routing
• Through-Cuts
• Deep Pocket Routing
• Narrow Slot Routing
• Chip Evacuation Routing
• Fine Detail Routing in Solid Hardwood and Softwood
• Routing in Plywood, MDF, Chipboard, Laminates, Melamine, and Plastic