Product Description
CMT Straight Bit Long Series - 10mm Diameter, 1/4 in. Shank is a professional-grade routing bit engineered for deep straight cuts, dadoes, grooves, and precise joinery work. Built with micrograin carbide cutters on a double-flute design, this long-series straight router bit delivers smooth, clean edges on hardwoods, softwoods, plywood, MDF, chipboard, laminates, melamine, and plastics. The extended cutting height makes it especially well-suited for template routing, panel joinery, and through-cuts that shorter bits simply cannot reach in a single pass.
Key Features
- Micrograin Carbide Cutters with Special Fatigue Proof Steel Body - withstands heavy workloads without deflection or premature edge failure, giving you a smooth, precise cut even through dense hardwoods and composite panels.
- Double-Faced Cutters (2 Flutes) - razor-sharp cutting edges on both faces produce clean, chip-free surfaces on both walls of a groove or dado, reducing the need for sanding or secondary finishing.
- Exceptional Chip Ejection Design - clears waste material efficiently during deep cuts, maintaining constant cutting performance and preventing heat buildup that can scorch workpieces or dull the bit prematurely.
- CMT Orange Non-Stick PTFE Coating - protects the bit body from resin, pitch, and residue buildup so the bit runs cleaner and cooler, extending service life and reducing downtime for cleaning between cuts.
- Long-Series Cutting Height of 1 1/4 in. - reaches cutting depths beyond what standard-length straight bits allow, making this bit the right choice for deep dadoes, through-cuts in thicker stock, and template work requiring full-thickness engagement.
- 1/4 in. Shank, Right-Hand Rotation - fits a wide range of handheld routers, router tables, and compact CNC routing machines equipped with standard 1/4 in. collets, with a right-hand rotation that matches conventional router spindle direction for safe, stable operation.
Why This Product
- The 1 1/4 in. cutting height gives woodworkers the reach to complete deep grooves, dadoes, and through-cuts in thicker panels without repositioning or making multiple passes at progressively increased depths - saving setup time and improving accuracy.
- The micrograin carbide construction paired with the PTFE non-stick coating means the cutting edge stays sharper longer and the bit body stays cleaner during extended production runs - a practical advantage when routing hard or resinous species.
- At 10mm diameter, this bit produces a groove or dado width that is commonly required for standard shelf pin holes, cabinet back panel grooves, and router jig work, making it a versatile addition to any furniture or cabinet shop.
- The combination of aggressive chip ejection and a 2-flute geometry allows for consistent, high-quality results in solid hardwood, softwood, MDF, laminate, and plastic - reducing the need to swap bits when moving between different materials on the same project.
Specifications
- Manufacturer Part Number: 812.100.11
- Brand: CMT Orange Tools
- Diameter: 10mm
- Cutting Height: 1 1/4 in.
- Total Length: 2 3/8 in.
- Shank: 1/4 in.
- Number of Flutes: 2
- Rotation: Right-Hand (RH)
- Blade Material: HW (Hardmetal/Carbide)
- Series: Long Series
- Product Type: Straight Router Bit
Approved Applications
- Deep Straight Cuts
- Dadoes and Grooves
- Template Routing
- Panel Joinery
- Through-Cuts in Thicker Stock
- Cabinet and Furniture Construction
Frequently Asked Questions
What is the difference between this long-series straight bit and a standard-length straight bit?
This long-series bit has a cutting height of 1 1/4 in. and a total length of 2 3/8 in., giving it significantly more reach than standard-length straight bits. That extra cutting height allows you to rout deep dadoes, grooves, and through-cuts in thicker panels in fewer passes while maintaining a clean, precise cut along the full depth of the groove.
What materials can this 10mm straight router bit cut through?
The micrograin carbide cutters and fatigue-proof steel body make this bit capable of clean cutting in solid hardwood, softwood, plywood, MDF, chipboard, laminates, melamine, and plastic. The chip ejection design helps maintain cutting consistency across all of these materials.
What routers and machines are compatible with this bit?
This bit has a 1/4 in. shank and right-hand rotation, which is compatible with handheld routers, router tables, and CNC routing machines equipped with a standard 1/4 in. collet. Always verify your machine's collet size and maximum RPM rating before use.
What does the orange PTFE coating on CMT bits actually do?
The non-stick PTFE coating on the bit body helps prevent resin, pitch, and other residue from adhering to the surface during routing. This keeps the bit running cleaner and cooler, which in turn helps protect the carbide cutting edges, extends the overall service life of the bit, and reduces how often you need to stop and clean the tool between cuts.
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