Product Description
CMT 310.064.11 Dowel Drill 1/4" x 27 x 57.5mm RH is a precision-engineered, carbide-tipped boring tool from CMT, purpose-built for clean, consistent blind hole drilling in furniture manufacturing, cabinet making, and panel processing. Designed as a short-series dowel drill at 57.5mm overall length, this 1/4" diameter, right-hand rotation bit delivers repeatable accuracy in solid wood, chipboard, MDF, laminates, and coated panels. Its PTFE-coated spiral and negatively ground carbide spurs make it a reliable choice for high-volume production environments where hole quality and tool longevity are both critical.
Key Features
- Tungsten carbide (HW) cutting head with 2 precision-ground cutting edges (Z2) - hard carbide construction maintains a sharp edge through demanding repetitive drilling in abrasive materials like chipboard, MDF, and laminates, reducing the need for frequent tool changes.
- 2 negatively ground spurs (V2) - the negative grind geometry scores the material perimeter before the main cutters engage, producing clean bore walls and flat-bottomed holes with minimal tearout or surface chipping around the entry point.
- PTFE coating on the spiral portion - the low-friction orange or black PTFE coating prevents pitch, resin, and adhesive from bonding to the flutes, keeping the bit running smoothly and reducing cleaning downtime between operations.
- Precision-balanced centre point - the hardwood carbide centre point registers accurately on the workpiece, preventing the drill from wandering at startup and ensuring hole placement is exact - critical for tight-tolerance dowel alignment in furniture assembly.
- 2 spiral flutes - dual flutes efficiently evacuate chips and dust from the bore during drilling, reducing heat buildup and keeping the cut zone clear for consistent hole quality hole after hole.
- Parallel shank (10x27mm) with driving flat and length adjusting screw - the flat-sided shank locks securely into multi-spindle CNC boring machines and boring centers without slipping, and the adjusting screw enables precise projection depth setting for repeatable results across production runs.
- Super-strength steel body - a robust steel core supports the carbide head and resists flexion under load, maintaining straightness and concentricity through demanding production volumes.
- Right-hand (RH) rotation - compatible with standard right-hand spindles found on the vast majority of CNC boring machines, boring centers, and panel processing centers.
Why This Product
- The 57.5mm short-series length keeps the tool compact and rigid within multi-spindle boring heads, minimizing deflection and vibration for consistently accurate hole depth in high-density panel drilling applications.
- The combination of negatively ground spurs and a precision carbide centre point means both the hole perimeter and the bottom of the bore are clean and well-defined - exactly what dowel joinery and confirmat screw applications demand for tight, gap-free furniture connections.
- PTFE spiral coating directly addresses one of the most common sources of downtime in panel processing: adhesive and pitch fouling on drill flutes. By resisting buildup, this coating helps maintain consistent chip evacuation and cutting performance over extended production runs.
- The 10x27mm parallel shank with driving flat is the standard interface for industrial boring machines and CNC boring centers, making this bit a direct drop-in replacement or addition to existing tooling setups without requiring adapters.
Specifications
- Manufacturer Part Number: 310.064.11
- Brand: CMT Orange Tools
- Diameter: 1/4"
- Cutting Height: 27mm
- Total Length: 57.5mm
- Shank: 10x27mm
- Number of Flutes: 2
- Number of Spurs: 2
- Number of Teeth: 2
- Spur Grind: Negatively ground spurs
- Blade Material: HW (Tungsten Carbide)
- Rotation: RH (Right-Hand)
Approved Applications
- Blind hole drilling for dowel connections in furniture and cabinet assembly
- Panel drilling in chipboard, MDF, HDF, and coated panels
- Furniture manufacturing and flat-pack panel processing
- Cabinet making and carcass construction
- Drilling in solid hardwood and softwood
- Boring in plywood, laminates, and coated board
- Use on multi-spindle CNC boring machines and boring centers
- Use on CNC boring centers and panel processing centers
- Use on boring machines with compatible adapter or chuck
Frequently Asked Questions
What shank type does this dowel drill use, and is it compatible with standard boring machines?
This drill features a 10x27mm parallel shank with a driving flat and a length adjusting screw. This is the standard shank configuration for multi-spindle CNC boring machines, CNC boring centers, and panel processing centers. The driving flat prevents rotation under torque, and the adjusting screw allows precise projection depth setting for consistent results across production runs.
What does the PTFE coating on the spiral do?
The spiral portion of this drill is coated with PTFE (available in orange or black). PTFE is a low-friction, non-stick material that resists adhesion of pitch, resin, and wood glue to the flute surfaces. This keeps the flutes clear for efficient chip evacuation, reduces heat from friction, and helps extend the working life of the tool between cleaning or resharpening intervals.
Why are negatively ground spurs beneficial for drilling panel materials?
The 2 negatively ground spurs on this drill score the perimeter of the hole before the main carbide cutting edges remove the core material. This perimeter scoring is especially important when drilling chipboard, MDF, coated panels, and laminates, where clean entry and exit edges are critical for aesthetic joinery. Negatively ground spurs reduce chipping, fraying, and surface tearout around the bore, producing cleaner walls and a flat-bottomed hole suitable for tight-fitting dowel joints.
What materials can this dowel drill be used on?
This drill is designed for use in solid wood (hardwood and softwood), chipboard, MDF, HDF, plywood, laminates, coated panels, and plastics. The tungsten carbide (HW) cutting head is well suited to the abrasive nature of engineered wood products and coated boards that would quickly dull a standard high-speed steel drill.
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