CMT Straight Bit Short Series - 3/16 in. Dia. - 1/4 in. Shank

CMT Straight Bit Short Series - 1/4 in. Shank

The CMT Straight Bit Short Series is designed for efficient, precise routing when you need a clean, professional-quality edge. Featuring razor-sharp, double-faced cutting edges, this 1/8 in. diameter router bit delivers smooth, accurate cuts while providing excellent chip evacuation for consistent performance. Its compact short-series design is especially well suited for detailed routing applications where control and precision are essential.

Constructed from special Fatigue Proof® steel and high-quality micrograin carbide, this CMT straight bit is engineered to withstand demanding production environments while maintaining reliable cutting performance. The cutting edges are designed to provide a clean finish across a variety of plywood, composites, and natural woods.

A proprietary orange non-stick PTFE coating helps reduce the buildup of resin, pitch, and other machining residue on the bit. This helps maintain smoother cutting performance and makes the bit easier to keep clean. Each CMT router bit is subjected to strict quality-control testing to ensure accurate cutting tolerances, proper balance, and excellent concentricity.

Product Features

• 1/8 in. cutting diameter: Ideal for detailed routing, trimming, grooving, and other precision applications.
• 1/4 in. shank: Provides compatibility with routers and collets designed for 1/4 in. shanks.
• Short Series design: Compact cutting geometry provides excellent control for precision routing applications.
• Double-faced cutting edges: Razor-sharp cutters provide smooth, clean, and accurate results.
• Fatigue Proof® steel: Durable tool body engineered for demanding woodworking applications.
• Micrograin carbide: Provides sharp, durable cutting edges and long-lasting performance.
• Excellent chip ejection: Helps promote cleaner and more consistent cutting.
• Orange non-stick PTFE coating: Helps prevent resin, pitch, and other residue from adhering to the bit.
• Precision manufacturing: Strict quality testing ensures accurate tolerances, balance, and concentricity.
• Versatile material compatibility: Suitable for plywood, composites, hardwoods, softwoods, and other natural wood materials.

CMT Straight Bit Short Series – 1/8 in. Diameter – 1/4 in. Shank

The CMT Straight Bit Short Series is designed for woodworkers and professionals who demand efficient material removal, precise cuts, and a clean finished edge. This 1/8 in. diameter straight bit features a 1/4 in. shank and is well suited for detailed routing, grooving, dadoing, mortising, trimming, and other precision woodworking applications.

CMT straight bits combine razor-sharp, double-faced cutting edges with high-quality Fatigue Proof® steel and micrograin carbide to deliver reliable performance under demanding working conditions. The precision-ground cutters provide smooth, accurate cuts while the optimized geometry promotes efficient chip ejection for cleaner and more consistent routing.

Each CMT router bit is coated with the company's signature orange non-stick PTFE coating. This protective finish helps reduce the buildup of resin, pitch, and other woodworking residue, keeping the cutting surface cleaner and helping maintain consistent performance. Every bit undergoes stringent quality control to ensure accurate cutting tolerances, proper balance, and excellent concentricity.

The compact short-series design is particularly useful when working with smaller workpieces, shallow cuts, and applications where precise control is important. The bit is suitable for use in a variety of natural woods, plywood, composites, and other commonly routed woodworking materials.

Key Features

• 1/8 in. Cutting Diameter: Ideal for fine routing, narrow grooves, small dadoes, trimming, and detailed woodworking.
• 1/4 in. Shank: Provides compatibility with routers and collets designed to accept 1/4 in. shanks.
• Short Series Design: Compact cutting geometry provides excellent control for precision routing applications.
• Micrograin Carbide: Precision cutting edges are designed for durability, sharpness, and consistent performance.
• Fatigue Proof® Steel: High-quality steel construction provides strength and durability during demanding routing operations.
• Efficient Chip Ejection: Cutting geometry helps clear chips from the work area for smoother, more consistent cutting.
• Orange PTFE Coating: Non-stick coating helps minimize the accumulation of resin, pitch, and other residue.
• Precision Manufacturing: CMT router bits are manufactured and tested for cutting tolerance, balance, and concentricity.
• Versatile Material Compatibility: Suitable for a broad range of natural woods, plywood, composites, and other woodworking materials.

Precision Manufacturing by CMT

CMT places a strong emphasis on precision throughout the manufacturing process. Automated CNC machinery and skilled operators are used to produce accurate router-bit bodies and shanks with excellent balance and dimensional consistency.

• Turning, Milling and Cutting: Advanced CNC manufacturing processes help maintain accurate dimensions and consistent balance throughout the router bit.
• Heat-Forged Steel Bodies: Larger CMT bits may use heat-forged steel bodies. This process creates a radial grain orientation that increases strength and durability where additional structural support is required.
• Precision Brazing: CMT's computerized brazing process helps create a consistent bond between the steel body and carbide. A silver-copper-silver brazing construction provides a strong connection while helping absorb shock during demanding cuts.
• Application-Specific Carbide: CMT formulates carbide grades for specific applications, balancing hardness, wear resistance, and impact resistance according to the intended cutting task.
• Grinding and Sharpening: Precision grinding and sharpening establish the cutting geometry required for accurate, clean, and consistent routing performance.

Recommended Applications

This 1/8 in. CMT straight router bit is a practical choice for detailed woodworking operations where a narrow, accurate cut is required. Use it for routing grooves, dadoes, small mortises, recesses, trimming, pattern work, and other precision applications in compatible wood and composite materials.

Safety Precautions

• Never use a router bit that is damaged, cracked, bent, or excessively worn.
• Securely install the bit in the router collet and follow the router manufacturer's instructions.
• Operate the bit at the recommended speed and feed rate for the application and material.
• Do not force the router bit through the workpiece; excessive feed pressure can affect cut quality and increase the risk of damage.
• Use particular care when making the initial cut with a small-diameter bit.
• For best results with small-diameter bits, make deeper cuts through multiple passes rather than attempting to remove excessive material in a single pass.
• Always wear appropriate eye and hearing protection and follow safe router operating practices.

Why Choose CMT Straight Bits?

CMT straight bits are engineered to provide the combination of sharp cutting performance, durability, precision, and clean operation demanded by professional and serious woodworking applications. With high-quality materials, carefully controlled manufacturing processes, precision-ground carbide, and a non-stick PTFE coating, this 1/8 in. short-series bit is built to deliver dependable results across a wide range of routing tasks.