Product Description
CMT 310.082.11 Dowel Drill - 8.2 x 27 x 57.5mm Right-Hand is a precision short-series boring tool engineered by CMT for clean, accurate blind-hole drilling in furniture manufacturing, cabinet making, and panel processing applications. Built on a super-strength steel body with a tungsten carbide (HW) cutting head, this 2-flute dowel drill delivers the tight tolerances and smooth bore walls that dowel joinery demands - whether you are working with solid wood, chipboard, MDF, laminates, or coated panels. The spiral portion is coated with P.T.F.E. to resist pitch and adhesive buildup, keeping the tool running clean across high-volume production runs. At 57.5mm overall length with a 10x27mm parallel shank, this drill is sized for multi-spindle CNC boring machines, boring centers, and panel processing centers.
Key Features
- 2 HW precision-ground cutting edges (Z2) - tungsten carbide cutting geometry maintains sharpness under repeated use in abrasive materials like chipboard, MDF, and HDF, reducing downtime for tool changes in production environments.
- 2 negatively ground spurs (V2) - score the perimeter of the hole ahead of the cutting edges, producing clean bore walls and flat-bottom blind holes with minimal tearout on coated panels and laminates.
- 2 spiral flutes - efficiently evacuate chips away from the cutting zone, preventing packing and maintaining consistent hole quality throughout extended drilling cycles.
- P.T.F.E.-coated spiral portion - the low-friction coating prevents pitch, resin, and adhesive from bonding to the tool body, making cleanup easier and extending effective tool life between sharpenings.
- Precision-balanced centre point - registers accurately on the work surface at the start of each bore, reducing wandering and ensuring hole placement accuracy critical to dowel alignment.
- Parallel shank with driving flat and length-adjusting screw - the 10x27mm shank seats securely in multi-spindle boring heads and CNC chucks, with the adjusting screw allowing fine-tuning of drilling depth without removing the tool from the machine.
- Super-strength steel body - the robust steel construction handles the torsional loads of high-speed boring operations while supporting the carbide head through demanding production schedules.
- Right-hand (RH) rotation - compatible with the standard clockwise spindle direction of conventional boring machines and CNC boring centers, making direct drop-in replacement straightforward.
Why This Product
- The negatively ground spurs and precision-balanced centre point work together to produce flat-bottom blind holes with clean perimeter edges - the consistent result that dowel joinery and cam-lock connections in cabinet and furniture production require.
- The P.T.F.E. spiral coating directly addresses one of the most common production interruptions with dowel drills - resin and glue adhesion to the flutes - keeping the tool cutting cleanly and reducing mid-shift maintenance stops.
- At 57.5mm overall length with a 10x27mm parallel shank fitted with a driving flat and adjusting screw, this drill is purpose-built for the tooling blocks used in multi-spindle CNC boring machines and panel processing centers, fitting standard spindle formats without adapters.
- With an 8.2mm cutting diameter and 27mm cutting height, this tool is sized for the standard dowel bores used in flat-pack furniture assembly, providing the depth and diameter needed for common 8mm wood dowels and system fittings.
Specifications
- Manufacturer Part Number: 310.082.11
- Brand: CMT Orange Tools
- Diameter: 8.2mm
- Cutting Height: 27mm
- Total Length: 57.5mm
- Shank: 10x27mm
- Number of Teeth: 2
- Number of Spurs: 2
- Rotation: Right-hand (RH)
- Sharpening: Negatively ground spurs
- Blade Material: HW (Tungsten Carbide)
- Coating: P.T.F.E. on spiral portion
- Shank Style: Parallel shank with driving flat and length-adjusting screw
Approved Applications
- Blind hole drilling for dowel connections
- Panel drilling in flat-pack and ready-to-assemble furniture production
- Cabinet making and case construction
- Furniture manufacturing on multi-spindle boring lines
- CNC boring center operations
- Panel processing center operations
- Boring with adapter or chuck on compatible machines
- Drilling in solid wood (hardwood and softwood), chipboard, MDF, HDF, plywood, laminates, coated panels, and compatible plastics
Frequently Asked Questions
What shank size does this dowel drill use, and how does it mount in a boring machine?
This drill uses a 10x27mm parallel shank fitted with a driving flat and a length-adjusting screw. The driving flat provides positive torque engagement in the spindle bore of multi-spindle CNC boring machines, boring centers, and panel processing centers. The length-adjusting screw allows drilling depth to be fine-tuned without removing the tool from the machine spindle.
What is the purpose of the negatively ground spurs on this drill?
The 2 negatively ground spurs score the outer perimeter of the hole ahead of the main cutting edges. This shearing action severs the wood fibers cleanly before the carbide cutters remove material, producing flat-bottom blind holes with smooth bore walls and minimal tearout - particularly important when drilling coated panels, laminates, and veneered chipboard where surface quality around the hole opening is critical.
Why does this drill have a P.T.F.E. coating on the spiral, and how does it affect performance?
The P.T.F.E. coating on the spiral flutes creates a low-friction surface that prevents resin, pitch, and wood adhesives from bonding to the tool body during drilling. In production environments where panels with adhesive coatings or resinous wood species are processed at high volume, this coating helps maintain consistent chip evacuation and reduces the frequency of manual tool cleaning required to keep the drill cutting at full efficiency.
What drilling diameter and depth does this tool produce, and which dowel sizes is it suited for?
This drill cuts an 8.2mm diameter hole with a cutting height (usable cutting depth) of 27mm. The 8.2mm diameter is matched to standard 8mm wood dowels, allowing the slight clearance needed for glue application while maintaining a snug, accurate fit for structural dowel joints used in furniture and cabinet assembly.
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