Product Description
CMT Flush Trim Bit - 1/2 in. Diameter x 1/2 in. Cutting Height, 1/4 in. Shank by CMT is a precision routing tool engineered for flush trimming laminates, pattern copying with templates, and producing clean, consistent edges on a wide range of wood and composite materials. With a right-hand rotation, 2-flute carbide design, and a compact 1/4 in. shank, this bit fits handheld routers and router tables alike - making it a versatile choice for both precision laminate work and efficient template routing tasks.
Key Features
- 1/2 in. cutting diameter with 1/2 in. cutting height - delivers a full, clean flush cut in a single pass, reducing the need for secondary finishing work on laminates and veneers.
- 1/4 in. shank - fits a broad range of handheld routers and router tables, giving this bit wide compatibility across common workshop setups.
- 2-flute carbide (HW material) construction - hard-wearing carbide tips maintain a sharp cutting edge longer, producing smooth finishes on solid hardwood, plywood, MDF, laminates, and similar materials.
- -5 deg. cutting angle - the negative shear angle reduces tearout and produces a cleaner edge, particularly useful when trimming laminates and working against grain direction.
- Right-hand (RH) rotation - standard rotation compatible with the vast majority of routers, ensuring straightforward setup and safe, predictable cutting behavior.
- 2-9/32 in. total length - provides enough reach for template work and through mortise applications without compromising rigidity or control during the cut.
- Designed for precision laminate work and template routing - purpose-built for tasks where consistent flush results and excellent finishing quality are required, including making through mortises.
Why This Product
- The 1/2 in. cutting diameter combined with the -5 deg. cutting angle makes this bit well suited for precision laminate trimming where tearout-free edges are critical - not just adequate, but excellent finishing quality as noted in the product design intent.
- The 2-flute HW carbide construction means the bit maintains its edge through repeated passes on laminates, MDF, and hardwood, reducing downtime for sharpening or replacement during template routing sessions.
- At 2-9/32 in. total length with a 1/2 in. cutting height, this bit is sized appropriately for through mortise work - a capability explicitly built into this series - giving woodworkers a single tool that handles both surface trimming and deeper joinery tasks.
- The 1/4 in. shank and right-hand rotation make this bit immediately compatible with most standard handheld routers and router tables, so there is no need for adapter collets or specialized equipment to get started.
Specifications
- Manufacturer Part Number: 806.128.11
- Brand: CMT Orange Tools
- Diameter: 1/2 in.
- Cutting Height: 1/2 in.
- Total Length: 2-9/32 in.
- Shank: 1/4 in.
- Cutting Angle: -5 deg.
- Number of Teeth: 2
- Material: HW (Carbide)
- Rotation: Right-hand (RH)
- Product Type: Flush Trim Bit
Approved Applications
- Flush trimming laminates and veneers
- Template routing and pattern copying
- Through mortise work
- Edge trimming on solid hardwood, softwood, plywood, MDF, chipboard, laminates, melamine, and plastic
- Precision finishing work requiring excellent surface quality
Frequently Asked Questions
What router collet size does this flush trim bit require?
This bit uses a 1/4 in. shank, so it requires a router with a 1/4 in. collet. Many handheld routers and router tables accept 1/4 in. collets as a standard or interchangeable option, making this bit easy to use with a wide variety of common workshop routers.
Can this bit be used for template routing and pattern copying?
Yes. This bit is specifically designed for precision template work. The cutting geometry and 1/2 in. cutting height allow it to follow a template accurately and produce consistent, repeatable edges - making it well suited for pattern copying and flush trimming against a guide.
Is this bit capable of making through mortises?
Yes. The CMT flush trim bit series, which includes this 806.128.11 model, is noted as being excellent for making through mortises. The 1/2 in. cutting height and 2-9/32 in. total length provide sufficient reach and clearance for this type of joinery work.
What does the -5 deg. cutting angle mean for my work?
A negative cutting angle of -5 deg. means the flutes are oriented to shear the material as they cut rather than chop into it. This reduces the likelihood of tearout and chipping at the edge, which is especially beneficial when trimming laminates, melamine, or working across grain - resulting in a cleaner, smoother finished edge.
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