Product Description
The CMT 855.805.11 Window Sill and Finger Bit is a precision-ground, carbide-tipped router bit designed for shaping window sill edges and creating finger pull profiles on door and drawer edges. With a 1 1/2 in. cutting diameter, a 1 3/8 in. cutting height, and dual radii of 1/2 in. and 3/8 in., this right-hand rotation bit delivers clean, consistent profiles in solid hardwood, softwood, and wood composite materials. Mounted on a 1/2 in. shank, it seats securely in both handheld routers and router table setups, making it a versatile choice for cabinetmakers, finish carpenters, and millwork professionals who need reliable edge-forming performance in a single pass.
Key Features
- Window sill and finger pull profile in one bit - originally engineered for window sill edge shaping, this bit doubles as a finger pull cutter for door and drawer edges, reducing the number of specialized bits needed in a shop setup.
- 1 1/2 in. cutting diameter with 1 3/8 in. cutting height - a generous cutting envelope allows the full decorative profile to be formed in a single pass, saving time and reducing the risk of misaligned multiple passes.
- Dual-radius geometry (1/2 in. and 3/8 in.) - the combined radii produce a distinctive, graceful sill and finger pull contour that adds a finished, professional look to edges without the need for additional shaping or sanding.
- 2-flute hardmetal (HW) carbide construction - two cutting edges in a hard-wearing carbide grade deliver smooth chip evacuation and a fine surface finish, extending the service life of the bit when working in hardwood and engineered wood materials.
- 1/2 in. shank - a full 1/2 in. shank provides maximum rigidity and minimal runout during cutting, which translates to cleaner profiles and reduced vibration during operation.
- Right-hand rotation - standard RH rotation is compatible with the vast majority of routers and router tables, so no special setup or tooling is required.
- 3 3/8 in. total length - adequate overall length allows the bit to be used in both above-table and handheld router configurations without clearance issues.
Why This Product
- Designed for dual-purpose use - this bit handles both window sill edge profiles and finger pull routing, giving woodworkers two common decorative applications from a single, purpose-built tool.
- The 1 3/8 in. cutting height means the full decorative contour is completed in one pass rather than multiple setups, keeping profiles consistent and reducing material waste from misaligned cuts.
- The 1/2 in. shank pairs with the hardmetal carbide construction to maintain cutting accuracy over extended use, making this bit well-suited for production cabinet shops as well as one-off custom millwork projects.
- Compatible with standard router tables and handheld routers, this bit fits into existing shop workflows without requiring dedicated machinery or special collet adapters.
Specifications
- Manufacturer Part Number: 855.805.11
- Brand: CMT Orange Tools
- Diameter: 1 1/2 in.
- Cutting Height: 1 3/8 in.
- Total Length: 3 3/8 in.
- Radius: 1/2 in.
- Shank: 1/2 in.
- Number of Teeth: 2
- Material: HW (Hardmetal Carbide)
- Rotation: Right-Hand (RH)
Approved Applications
- Window sill edge shaping
- Finger pull routing on door edges
- Finger pull routing on drawer edges
- Decorative edge profiling on cabinetry components
Frequently Asked Questions
What profiles can this bit cut?
This bit is designed to shape window sill edges and to cut finger pull profiles on door and drawer edges. The dual-radius geometry - combining a 1/2 in. and a 3/8 in. radius - produces the curved, recessed contour characteristic of both applications in a single router pass.
What shank size is required, and will this fit my router?
This bit uses a 1/2 in. shank. Any router or router table equipped with a 1/2 in. collet will accept it. Right-hand rotation is standard, so no special configuration is needed for the vast majority of routers.
Can this bit be used freehand with a handheld router, or does it require a router table?
The 1/2 in. shank and 3 3/8 in. total length make this bit suitable for both handheld router use and router table setups. For best results with a profile of this size, a router table provides more control and consistency, but handheld use with a guide fence is also feasible.
What materials is this bit designed to cut?
The hardmetal (HW) carbide construction is appropriate for solid hardwood, softwood, and wood-based composite materials commonly used in window sill and cabinetry applications. The 2-flute design supports smooth chip clearance and a clean surface finish across these material types.
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