Product Description
CMT Straight Router Bit with Insert Knives - 1/2 in. Diameter, 1/2 in. Shank by CMT is a professional-grade straight cutting bit designed for precise dado, groove, and rabbet work in a wide range of wood-based materials. Built around a single replaceable carbide insert knife, this right-hand rotation bit delivers clean, flat-bottomed cuts in hardwood, softwood, plywood, MDF, chipboard, laminates, and plastics - making it a practical choice for both hand router and router table use.
Key Features
- Replaceable Insert Knives - Two-sided reversible knives can be flipped for a second cutting edge, extending tool life and reducing overall tooling cost. Knives can also be resharpened up to 3 times, giving you multiple service cycles before replacement is needed.
- TORX Screw Fastening - Special TORX screws lock the insert knife firmly in position, keeping the cutting edge stable and secure during high-speed routing for consistent, repeatable results.
- Orange Chrome Non-Stick Coating - CMT Orange Chrome coating on the bit body resists heat buildup, protects against corrosion, and reduces resin accumulation - helping the bit run cleaner and last longer through extended use.
- Hardwood (HW) Carbide Material - The insert knife is manufactured from hardwood-grade carbide, delivering the edge retention needed to cut cleanly through dense hardwoods, abrasive composites, and engineered sheet goods.
- 1-5/32 in. Cutting Height - The extended cutting depth allows for deep dadoes, grooves, and through-cuts in thicker stock without requiring multiple passes, saving setup time and improving efficiency.
- 1/2 in. Shank Diameter - A full 1/2 in. shank provides maximum grip in the collet, reducing vibration and deflection for smoother cuts and better surface quality compared to smaller shank options.
Why This Product
- Economical long-term tooling - Because the insert knives are reversible and resharpenable, you replace only the knife rather than the entire bit body, significantly lowering the cost per cut over the life of the tool.
- Versatile material compatibility - A single bit handles hardwood, softwood, plywood, MDF, chipboard, laminates, and plastics, reducing the number of specialized bits needed for a typical workshop or job site.
- Reduced downtime between cuts - The Orange Chrome coating minimizes resin and pitch buildup on the bit body, so the cutter stays cleaner longer and requires less frequent cleaning to maintain cutting performance.
- Broad machine compatibility - With a 1/2 in. shank, this bit is compatible with both hand routers and router tables fitted with a 1/2 in. collet, making it a flexible option across different routing setups.
Specifications
- Manufacturer Part Number: 652.627.11
- Brand: CMT Orange Tools
- Cutting Diameter: 1/2 in.
- Cutting Height: 1-5/32 in.
- Total Length: 3-1/8 in.
- Shank Diameter: 1/2 in.
- Number of Teeth: 1
- Knife Type: Reversible Insert Knives
- Material: HW (Hardwood Carbide)
- Rotation: Right-Hand
Approved Applications
- Hardwood
- Softwood
- Plywood
- MDF
- Chipboard
- Laminates
- Plastics
Frequently Asked Questions
Can the insert knives be replaced without replacing the entire bit body?
Yes. The knives in this straight bit are designed as replaceable inserts. Each two-sided knife can be flipped to use the second cutting edge, and the knives can be resharpened up to 3 times - so you only need to replace the knife itself when it reaches the end of its service life, not the full bit assembly.
What collet size is required to use this bit?
This bit has a 1/2 in. shank diameter and requires a router with a 1/2 in. collet. It is compatible with hand routers and router tables equipped with a 1/2 in. collet.
What is the maximum cutting depth this bit can achieve?
The cutting height is 1-5/32 in., which represents the maximum depth of cut this bit can make in a single pass. Always follow your router manufacturer's guidelines for appropriate depth-of-cut settings based on material hardness and feed rate.
Is this bit suitable for use on a router table as well as a handheld router?
Yes. The CMT 652.627.11 is compatible with both handheld routers and router tables that accept a 1/2 in. collet, giving you flexibility across different routing applications and workshop setups.
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