Product Description
CMT Industrial Adjustable Scoring Blade 120 x 22mm T12+12 Flat is a precision-engineered scoring saw blade designed for chip-free cuts on panel sizing machines and sliding table saws. Built by CMT for demanding industrial environments, this two-half adjustable scoring blade delivers a variable kerf width - letting operators fine-tune the scoring cut to match the main blade kerf precisely, eliminating tearout on melamine, double-sided laminate, veneered panels, chipboard, and MDF. The flat top grind geometry produces a clean, flat-bottomed score that protects delicate face surfaces throughout the panel sizing process.
Key Features
- Adjustable two-half design with a kerf range of 2.8 - 3.6mm - allows operators to dial in the exact scoring width to match the main blade, preventing chipping and tearout on finished panel surfaces.
- Flat top grind (FLAT) tooth geometry - produces a uniform, flat-bottomed scoring groove that supports clean entry cuts and protects laminated or veneered face materials from splintering.
- 12 + 12 tooth configuration (24 total cutting edges across both halves) - delivers consistent, repeatable scoring performance across high-volume production runs on panel sizing machines.
- 120mm blade diameter with a 22mm bore - sized to fit standard industrial panel sizing machines and sliding table saws, providing straightforward integration without adapter rings.
- 12 deg. cutting angle - optimized hook geometry for controlled chip formation during scoring cuts, reducing stress on the blade and extending edge life between sharpenings.
- Hard metal (HW) carbide tooth material - provides long-lasting cutting performance on abrasive engineered wood panels, reducing downtime for blade changes in production settings.
- Flat sharpening profile - simplifies re-sharpening with standard grinding equipment, helping maintain blade performance and reduce long-term tooling costs.
- Pin hole configuration 2/3.1 - 3.8/32 - compatible with pin-locking arbors found on many industrial panel saws, ensuring secure blade registration and safe, accurate cuts.
Why This Product
- Chip-free panel processing - the adjustable kerf range of 2.8 - 3.6mm means the scoring blade can be set to cut fractionally wider than the rip blade, the standard method for eliminating bottom-face tearout on double-sided laminate and melamine panels.
- Versatile fit for industrial panel equipment - the 120mm diameter and 22mm bore are standard dimensions for scoring blade arbors on sliding table saws and dedicated panel sizing machines, reducing compatibility concerns when replacing worn blades.
- Built for production-level durability - HW (hard metal) carbide construction handles the abrasive nature of chipboard, MDF, and laminated sheet goods at production feed rates, supporting consistent output without frequent tool changes.
- Simplified maintenance with flat grind geometry - the FLAT tooth profile requires less complex re-sharpening compared to alternate-bevel grinds, making routine blade servicing faster and more cost-effective for industrial shops.
Specifications
- Manufacturer Part Number: 289.120.24K
- Brand: CMT Orange Tools
- Blade Diameter: 120mm
- Bore Diameter: 22mm
- Number of Teeth: 12 + 12
- Tooth Thickness (Kerf Range): 2.8 - 3.6mm
- Cutting Angle: 12 deg.
- Sharpening Profile: Flat
- Pin Hole: 2/3.1 - 3.8/32
- Material: HW
Approved Applications
- Scoring on panel sizing machines
- Scoring on sliding table saws
- Chip-free cutting of melamine panels
- Processing double-sided laminate sheet goods
- Sizing veneered panels
- Cutting chipboard and particleboard
- Scoring MDF (medium-density fiberboard)
Frequently Asked Questions
How does the adjustable kerf work on this scoring blade?
This blade consists of two separate halves that can be shifted relative to each other on the arbor. By adjusting the offset between the two halves, the effective cutting width - the kerf - can be varied anywhere within the 2.8 - 3.6mm range. This allows the operator to set the scoring kerf to be slightly wider than the main rip blade, which is the standard technique for achieving chip-free cuts on both faces of laminated or veneered panels.
What machines is this 120mm scoring blade compatible with?
This blade is designed for use on industrial panel sizing machines and sliding table saws equipped with a scoring blade arbor. The 120mm diameter and 22mm bore are standard dimensions for scoring arbors on many common panel saws. The pin hole specification of 2/3.1 - 3.8/32 also makes it compatible with pin-locking scoring arbors. Always verify your specific machine's scoring arbor diameter, bore size, and pin hole requirements before mounting.
Why does this scoring blade use a flat top grind instead of an alternate-bevel grind?
The flat top grind (FLAT) geometry is a standard and widely used profile for scoring blades because it produces a clean, flat-bottomed groove beneath the panel. This flat groove cleanly severs the bottom laminate face before the main blade passes through, preventing tearout. The flat grind is also simpler to re-sharpen with standard grinding equipment compared to alternate-bevel profiles, which is a practical advantage for ongoing maintenance in a production environment.
What materials can this CMT scoring blade cut cleanly?
This scoring blade is suited for chip-free scoring of melamine-faced panels, double-sided laminate, veneered panels, chipboard (particleboard), and MDF. The HW (hard metal) carbide tooth construction is well-suited to the abrasive nature of these engineered wood and laminated sheet materials, supporting durable performance across extended use in panel sizing applications.
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