Product Description
CMT Pair of Knives for Lock Miter 45 deg. are precision-ground, solid carbide profiling knives designed for creating accurate 45 deg. lock miter joints on spindle moulders, shapers, profiling machines, and edging machines. Each set delivers consistent, repeatable results in hardwood, softwood, plywood, MDF, and chipboard applications, making these replacement knives a reliable choice for cabinetmakers, millwork shops, and furniture manufacturers who demand tight-fitting miter joints with minimal setup time.
Key Features
- 45 deg. lock miter profile - engineered specifically for lock miter joinery, producing interlocking 45 deg. mitered edges that self-align during assembly and eliminate the need for complex clamping setups.
- Solid carbide (HW) construction - carbide material stays sharper longer than high-speed steel, reducing downtime between sharpenings and maintaining clean, consistent profiles through extended production runs.
- 43 x 23 x 2mm knife dimensions - precisely sized for compatible CMT cutter heads, ensuring a secure, accurate fit and proper profile registration every time the knives are changed or replaced.
- Sold as a matched pair - both knives are included together so the complete cutting profile is always available in a single purchase, simplifying restocking and avoiding mismatched replacements.
- Precision ground profile - each knife is ground to exact profile specifications, delivering repeatable miter geometry across every pass and reducing the need for post-machining fitting or adjustment.
Why This Product
- Lock miter joints assembled with a consistent 45 deg. profile fit tightly and self-register, cutting glue-up time and reducing material waste from misaligned edges.
- Carbide (HW) construction means the knives hold their edge through demanding production volumes in both solid wood and sheet goods, including MDF and chipboard where abrasion wears softer tool materials quickly.
- The 43 x 23 x 2mm profile dimensions are matched to CMT cutter head systems, so replacement is straightforward and does not require custom shimming or modification.
- Purchasing a matched pair in a single order ensures both knives in the set are from the same grind run, keeping the profile geometry balanced and the finished joint accurate.
Specifications
- Manufacturer Part Number: 695.011.01
- Brand: CMT Orange Tools
- Profile: Lock Miter 45 deg.
- Angle: 45 deg.
- Diameter: 43mm
- Cutting Height: 23mm
- Total Length: 2mm
- Material: HW (Carbide)
- Quantity: 2 pieces (1 pair)
Approved Applications
- Profiling
- Moulding
- Edge shaping
- Lock miter joint production in hardwood, softwood, plywood, MDF, and chipboard
What's Included
- 2x carbide lock miter knives (1 matched pair), 43 x 23 x 2mm, 45 deg. profile
Frequently Asked Questions
What cutter head body are these knives intended for?
These knives are profiled replacement knives for CMT spindle moulder cutter head systems that accept 43 x 23 x 2mm profile knives. They are designed to work with compatible CMT cutter heads configured for lock miter joinery.
What does the 45 deg. lock miter profile produce?
The 45 deg. lock miter profile machines an interlocking mitered edge on two mating workpieces. When joined, the pieces form a 90 deg. corner with a concealed mechanical lock that self-aligns during glue-up, which is commonly used in box construction, cabinet carcasses, and drawer sides.
What materials can these knives cut?
The carbide (HW) construction makes these knives suitable for use in hardwood, softwood, plywood, MDF, and chipboard - a broad range of solid wood and engineered panel products commonly processed on spindle moulders and shapers.
How many knives come in this order?
Each order includes 2 knives - 1 matched pair - which is the complete set required to machine the full lock miter profile on both mating workpieces.
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