Product Description
CMT 310.150.11 Dowel Drill 15 x 27 x 57.5mm RH is a precision two-flute carbide-tipped boring tool engineered for clean, accurate blind hole drilling in furniture manufacturing, cabinet making, and panel processing applications. Built on a super-strength steel body with a PTFE-coated spiral and a tungsten carbide (HW) cutting head, this right-hand rotation dowel drill delivers repeatable bore quality in solid wood, chipboard, MDF, and laminates - making it a go-to choice for multi-spindle CNC boring machines and panel processing centers alike.
Key Features
- HW (Tungsten Carbide) Cutting Head with 2 Precision-Ground Cutting Edges (Z2) - carbide construction maintains a sharp, consistent edge through high-volume production runs in abrasive sheet materials like MDF, chipboard, and coated panels, reducing tool change frequency.
- 2 Negatively Ground Spurs (V2) - the negative spur geometry scores the material perimeter before the flutes evacuate waste, producing clean bore walls and flat-bottom holes without tearout or fiber lifting in laminates and coated boards.
- PTFE-Coated Spiral Portion - the low-friction PTFE coating on the flutes resists pitch and adhesive buildup, keeping the cutting zone clear and extending intervals between cleanings in production environments where glue residue is common.
- Precision Balanced Centre Point - a centered starting point prevents walking at drill entry, ensuring accurate hole placement for dowel connections and joint alignment without pre-drilling or center-punching.
- Parallel Shank with Driving Flat and Length Adjusting Screw (10 x 27mm) - the driving flat transmits torque reliably in multi-spindle boring heads while the length adjusting screw allows fine depth calibration, reducing setup time and ensuring consistent hole depth across all spindles.
- 2 Spiral Flutes - efficient chip evacuation through the twin-flute geometry reduces heat buildup in blind holes, protecting both the workpiece surface and the carbide tip during continuous drilling cycles.
- Super-Strength Steel Body - the high-grade steel shank resists deflection under the lateral loads of multi-spindle clamping, maintaining concentricity and bore roundness at production feed rates.
Why This Product
- Designed specifically for dowel joint drilling, the 15mm diameter and 27mm cutting height match standard dowel connection requirements in cabinet and furniture panel assembly - eliminating the need for custom tooling or adapter setups.
- The combination of negatively ground spurs and a PTFE-coated spiral addresses the two most common blind-hole defects in panel work - surface tearout at entry and chip packing in the flutes - in a single tool configuration.
- The 10 x 27mm parallel shank with driving flat is compatible with multi-spindle CNC boring machines and boring centers that use standard gang-drill chucks, making this a direct drop-in for existing machine setups without special toolholders.
- At a compact 57.5mm overall length, this short-series drill fits within the close spindle-to-spindle spacing of multi-row boring heads, allowing simultaneous drilling of multiple dowel holes across a panel face in a single pass.
Specifications
- Manufacturer Part Number: 310.150.11
- Brand: CMT Orange Tools
- Diameter: 15mm
- Cutting Height: 27mm
- Total Length: 57.5mm
- Shank: 10 x 27mm (parallel shank with driving flat and length adjusting screw)
- Number of Cutting Edges: 2 (Z2)
- Number of Spurs: 2 (V2)
- Spur Sharpening: Negatively ground spurs
- Blade Material: HW (Tungsten Carbide)
- Rotation: Right-hand (RH)
- Spiral Coating: PTFE (orange or black)
Approved Applications
- Blind hole drilling for dowel connections and joint assembly
- Panel drilling in furniture manufacturing and cabinet making
- Boring in chipboard, MDF, HDF, hardwood, softwood, plywood, laminates, and coated panels
- Multi-spindle CNC boring machine operations
- CNC boring center and panel processing center tooling
- Boring machines with adapter or chuck configurations
Frequently Asked Questions
What is the shank size and type for this dowel drill, and what machines accept it?
This drill uses a 10 x 27mm parallel shank with a driving flat and a length adjusting screw. This shank style is standard on multi-spindle CNC boring machines, CNC boring centers, panel processing centers, and boring machines equipped with a compatible adapter or chuck. The driving flat locks the tool against rotation slip under load, which is essential in gang-drill heads running multiple spindles simultaneously.
Why are the spurs negatively ground, and how does that affect hole quality?
Negatively ground spurs are oriented to score and sever the material fibers at the perimeter of the hole before the main cutting edges remove the core. This geometry is particularly effective in laminates, coated panels, and MDF where a positively ground or absent spur would lift and fray the surface layer at drill entry. The result is a clean, defined bore wall that requires no secondary finishing for dowel insertion.
What does the PTFE coating on the spiral do, and does it affect the cutting edges?
The PTFE coating is applied to the spiral flute portion of the drill only - not to the HW cutting head or spurs. Its low-friction surface prevents pitch, resin, and adhesive residue from bonding to the flutes during drilling in materials like chipboard or pre-glued panels. This keeps chip flow unobstructed and reduces the frequency of manual cleaning. The carbide cutting edges remain uncoated to preserve their ground geometry and sharpness.
Can this drill be used in a handheld drill or router?
This tool is designed for use in multi-spindle boring machines, CNC boring centers, and panel processing centers that accept a 10 x 27mm parallel shank with driving flat. The length adjusting screw and parallel shank format are machine-specific features intended for gang-drill and CNC boring head applications. Use in handheld or router configurations is outside the designed application scope for this tool.
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