Product Description
CMT XTreme Solid Carbide Twist Drill - 2.5mm (7/64 in.) - 120 deg. Point - Right-Hand Rotation is a precision-engineered solid carbide boring drill built for high-speed, high-volume through-hole drilling on CNC boring machines and multi-spindle boring centers. Manufactured from premium HWM solid carbide, this 2-flute twist drill delivers exceptional wear resistance and repeatable accuracy in panel processing operations such as dowel-hole drilling, furniture manufacturing, and composite board production. The XTreme sharpening geometry - featuring 2 negatively ground spurs - produces clean entry and exit points in a wide range of wood-based materials, reducing tearout and extending tool life in demanding production environments.
Key Features
- Premium HWM Solid Carbide Construction - provides outstanding hardness and wear resistance, allowing the drill to maintain cutting performance over long production runs without frequent tool changes.
- XTreme (Extreme) Sharpening with Negatively Ground Spurs - the 120 deg. point geometry and precision-ground spur profile produce clean, accurate through-holes with minimal chip-out, improving finished part quality in panel and furniture applications.
- 2 Precision Ground Cutting Edges (Z2) - dual cutting edges deliver balanced cutting forces and consistent hole diameter, reducing vibration and improving bore quality in CNC operations.
- 2 Spiral Flutes - efficiently evacuate chips away from the cutting zone, preventing clogging and reducing heat buildup during continuous boring cycles.
- Common Shank Design (S=D - 2.5mm shank equals 2.5mm drill diameter) - fits directly into CMT 364 and 365 adapters and bushings, making this drill compatible with multi-spindle boring center spindles without additional tooling modifications.
- Right-Hand (RH) Rotation - matches the standard spindle direction of CNC boring machines and multi-spindle boring centers, ensuring correct chip ejection and optimum cutting performance.
- Compact 55mm Total Length with 27mm Cutting Height - the proportioned geometry maximizes rigidity and minimizes deflection at small diameters, contributing to precise, straight bore paths in production drilling.
Why This Product
- The HWM solid carbide construction resists wear significantly better than high-speed steel alternatives, making this drill a reliable choice for high-cycle CNC boring in chipboard, MDF, HDF, plywood, hardwood, and laminate panels.
- The common shank (S=D) design eliminates the need for custom collets or adapters beyond CMT 364/365 tooling - the 2.5mm shank drops directly into existing boring center setups, reducing changeover time on the production floor.
- The negatively ground XTreme spur sharpening is specifically optimized for through-hole dowel drilling, producing clean hole edges that support tight-fitting dowel connections in furniture and cabinet assembly.
- At 2.5mm (7/64 in.) diameter with a 27mm cutting height, this drill covers the geometry required for standard dowel boring on CNC panel processing lines while maintaining the rigidity needed to hold precise tolerances at small diameters.
Specifications
- Manufacturer Part Number: 363.025.21
- Brand: CMT Orange Tools
- Diameter: 2.5mm (7/64 in.)
- Shank Diameter: 2.5mm
- Cutting Height: 27mm
- Total Length: 55mm
- Point Angle: 120 deg.
- Sharpening Type: XTreme (Extreme)
- Number of Cutting Edges: 2
- Number of Flutes: 2
- Number of Spurs: 2
- Blade Material: HWM Solid Carbide
- Rotation: Right-Hand (RH)
- Shank Type: Common shank (shank diameter equals drill diameter)
- Compatible Adapters: CMT 364, CMT 365
Approved Applications
- Through-hole drilling for dowel connections on CNC boring machines
- Panel processing on multi-spindle boring centers (with CMT 364/365 adapters)
- Furniture manufacturing and cabinet production
- Drilling in solid hardwood and softwood
- Drilling in chipboard, MDF, HDF, and plywood
- Drilling in laminates and composite panel materials
Frequently Asked Questions
What adapters or tooling are required to use this drill on a multi-spindle boring center?
This drill is designed for use with CMT 364 and CMT 365 adapters and bushings. These adapters allow the drill to be mounted in standard multi-spindle boring center spindles. The common shank design (S=D - shank diameter equals drill diameter at 2.5mm) ensures a direct, secure fit in compatible CMT tooling without modification.
What does the "common shank" (S=D) designation mean for this drill?
The common shank designation means the shank diameter is equal to the drill diameter - both are 2.5mm in this case. This is a standard configuration for CNC boring machine drills and ensures the drill seats correctly in CMT 364/365 adapter bushings and other tooling designed for this spindle type.
What materials can this 2.5mm solid carbide twist drill cut through?
This drill is suited for through-hole drilling in a broad range of wood-based panel materials, including solid hardwood, softwood, chipboard, MDF, HDF, plywood, and laminates. The HWM solid carbide construction and XTreme sharpening geometry maintain cutting performance across these material types in production boring applications.
What is the significance of the negatively ground spur sharpening on this drill?
The XTreme sharpening features negatively ground spurs at the 120 deg. point. This geometry is specifically engineered for through-hole drilling, where it scores the material perimeter ahead of the cutting edges to produce clean entry and exit holes. This is particularly important in dowel-connection drilling for furniture and cabinet assembly, where hole quality directly affects joint fit and structural integrity.
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