Product Description
The CMT Contractor Flush Trim Bit - 3/8" x 9/16" with 1/4" Shank is a precision routing tool engineered for flush trimming wood and laminate surfaces with clean, accurate results. Designed for use in handheld routers, router tables, and CNC routing machines, this 2-carbide-tipped bit delivers smooth, consistent edge trimming by guiding a bottom bearing effortlessly along the finished workpiece. Whether you are pattern routing, copying templates, or trimming laminates and veneers, this compact bit handles the task with repeatable accuracy that woodworkers and contractors rely on.
Key Features
- Bottom bearing guide - runs effortlessly against the finished workpiece, allowing the bit to follow a template precisely and deliver a smooth, flush-trim cut without marring the reference surface.
- Two carbide-tipped cutting edges (2-tooth design) - optimizes cutting performance on both wood and laminate, reducing passes needed and producing a surface that is smooth to the touch.
- Right-hand rotation - matches standard router spindle direction for safe, stable operation in handheld routers and router tables without additional setup changes.
- 1/4" shank diameter - fits a wide range of compact and full-size routers equipped with 1/4" collets, making this bit highly versatile across common workshop tools.
- Compact 3/8" cutting diameter and 9/16" cutting height - well-suited for precise trimming tasks on thinner stock, laminates, and veneers where control and accuracy matter most.
- 2-3/16" total length - provides sufficient reach for flush trimming applications while maintaining bit rigidity and reducing vibration during the cut.
- Hard metal (HW) carbide material - delivers durability and cutting edge retention across repeated use on hardwood, softwood, plywood, MDF, laminates, melamine, and plastic.
Why This Product
- Consistent flush results on laminates and wood - the bottom bearing guide follows the finished workpiece directly, eliminating guesswork and ensuring every trim cut lands flush without additional sanding or cleanup.
- Two carbide-tipped edges for optimized performance - the 2-tooth design balances cutting efficiency with surface finish quality, making it a reliable choice for both template routing and laminate trimming in one tool.
- Compact shank and diameter combination for precision work - the 1/4" shank and 3/8" cutting diameter give the bit a nimble profile ideal for detailed template copying and edge trimming where a larger bit would be unwieldy.
- Broad material compatibility - solid hardwood, softwood, plywood, MDF, chipboard, laminates, melamine, and plastic are all within range, reducing the need to switch bits across common workshop tasks.
Specifications
- Manufacturer Part Number: 80603
- Brand: CMT Orange Tools
- Diameter: 3/8"
- Cutting Height: 9/16"
- Total Length: 2-3/16"
- Shank: 1/4"
- Number of Teeth: 2
- Material: Hard Metal Carbide-Tipped (HW)
- Rotation: Right-Hand (RH)
- Product Type: Contractor Flush Trim Bit
Approved Applications
- Flush trimming laminates and veneers
- Template routing and pattern copying
- Edge trimming on wood and laminate panels
- Flush trimming on MDF, chipboard, melamine, and plastic surfaces
Frequently Asked Questions
What is the cutting height and diameter of this flush trim bit?
This bit has a cutting diameter of 3/8" and a cutting height of 9/16", making it well-suited for trimming thinner stock, laminates, veneers, and similar materials where a compact cutting profile is needed for precise control.
Which router collet size does this bit require?
This flush trim bit uses a 1/4" shank, so it requires a router with a 1/4" collet. It is compatible with many handheld routers, router tables, and CNC routing machines equipped with that collet size.
How does the bottom bearing guide work on this bit?
The bottom bearing is positioned at the base of the bit and runs against the finished workpiece or template as you route. This contact guides the cutter along the reference surface and ensures the trimmed edge comes out flush and smooth to the touch without damaging the guide surface.
What materials can this flush trim bit cut?
This 2-carbide-tipped bit is suited for use on solid hardwood, softwood, plywood, MDF, chipboard, laminates, melamine, and plastic. The hard metal carbide cutting edges provide the durability needed to handle both natural wood and engineered materials.
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