Product Description
CMT 310.110.11 Dowel Drill 11 x 27 x 57.5mm RH by CMT is a precision carbide-tipped boring tool engineered for clean, accurate blind hole drilling in furniture panels, cabinet components, and solid wood assemblies. Designed for right-hand rotation, this 2-flute dowel drill features a tungsten carbide (HW) cutting head with negatively ground spurs and a PTFE-coated spiral, delivering smooth chip evacuation and extended tool life across demanding production environments.
Key Features
- Carbide (HW) Cutting Head with 2 Precision Ground Edges (Z2) - tungsten carbide construction holds a sharp edge longer than standard high-speed steel, reducing downtime for tool changes in high-volume panel drilling operations.
- 2 Negatively Ground Spurs (V2) - score the perimeter of the bore before the main cutters engage, producing clean hole walls and flat-bottomed blind holes with minimal tearout in chipboard, MDF, laminates, and coated panels.
- PTFE-Coated Spiral Flutes - the orange or black PTFE coating on the spiral portion prevents pitch, glue, and adhesive buildup, keeping the bit running freely and reducing cleaning intervals during continuous production runs.
- Super-Strength Steel Body - the premium steel shaft resists flexing and vibration during high-speed boring, helping maintain hole-position accuracy across multi-spindle CNC and panel boring machine setups.
- Parallel Shank with Driving Flat and Length Adjusting Screw - the 10 x 27mm shank is compatible with standard boring machine chucks and adapters, and the integrated adjusting screw allows precise depth setting without additional tooling.
- Right-Hand (RH) Rotation - matches the standard spindle direction of most industrial boring machines and CNC boring centers, ensuring correct chip clearing and proper engagement with the workpiece.
- Short Series Overall Length (57.5mm) - the compact 57.5mm total length minimizes spindle deflection and is well-suited to the tight head spacings typical of multi-spindle boring machines used in panel processing and furniture manufacturing.
Why This Product
- The combination of HW carbide cutting edges and negatively ground spurs makes this drill a reliable choice for production furniture and cabinet shops that require consistent, splinter-free dowel holes in chipboard, MDF, hardwood, and laminated panels - all from a single tool geometry.
- The PTFE spiral coating directly addresses one of the most common causes of bit wear and slowed cycle times in panel drilling: resin and adhesive accumulation on the flutes. Cleaner flutes mean better chip flow and more consistent hole quality over longer production runs.
- The short-series 57.5mm length and 10 x 27mm parallel shank with driving flat are specifically suited to multi-spindle CNC boring centers and panel processing centers, where spindle spacing and chuck compatibility are critical to throughput.
- With a precision-balanced centre point, the drill self-locates accurately at the target position before the spurs and cutters engage, reducing the risk of wandering and keeping dowel holes on layout in high-precision joinery and flat-pack furniture applications.
Specifications
- Manufacturer Part Number: 310.110.11
- Brand: CMT Orange Tools
- Diameter: 11mm
- Cutting Height: 27mm
- Total Length: 57.5mm
- Shank: 10 x 27mm parallel shank with driving flat
- Number of Flutes: 2
- Number of Spurs: 2
- Number of Cutting Edges: 2
- Spur Sharpening: Negatively ground spurs
- Blade Material: HW (tungsten carbide)
- Rotation: Right-hand (RH)
- Spiral Coating: Orange or black PTFE
- Product Type: Dowel Drill
Approved Applications
- Blind hole drilling for dowel connections and joinery
- Panel drilling in furniture manufacturing
- Cabinet making and flat-pack assembly production
- Boring in solid wood (hardwood and softwood)
- Drilling chipboard, MDF, and HDF panels
- Boring laminated and coated panels
- Drilling plastics
- Use in multi-spindle CNC boring machines and boring centers
- Use in panel processing centers with adapter or chuck
Frequently Asked Questions
What shank size and style does this dowel drill use, and what machines is it compatible with?
This drill uses a 10 x 27mm parallel shank with a driving flat and a length adjusting screw. That shank configuration is compatible with standard multi-spindle CNC boring machines, CNC boring centers, panel processing centers, and boring machines fitted with an appropriate adapter or chuck. The driving flat prevents shank slippage under load, while the adjusting screw allows easy depth setting.
Why does this dowel drill have negatively ground spurs, and what advantage does that provide?
The 2 negatively ground spurs score the circumference of the hole before the main carbide cutting edges remove material. This scribing action severs the wood fibers cleanly at the hole boundary, which is especially important in veneered panels, laminates, coated chipboard, and MDF - materials prone to surface tearout. The result is a clean-edged, flat-bottomed blind hole suitable for tight-tolerance dowel joinery.
What is the purpose of the PTFE coating on the spiral flutes?
The orange or black PTFE coating applied to the spiral portion of the drill resists adhesion of pitch, glue, and other adhesive residues that commonly build up during production boring in chipboard, MDF, and coated panels. By keeping the flutes clean, the coating helps maintain efficient chip evacuation, reduces heat buildup, and extends the usable life of the bit between sharpenings or replacements.
Is this drill designed for through-hole or blind-hole drilling?
This dowel drill is designed primarily for blind hole drilling - that is, holes that do not pass completely through the workpiece. The precision-balanced centre point, flat-bottomed cutting geometry, and negatively ground spurs are all optimized for producing accurate, clean-walled blind holes used in dowel joinery, shelf pin boring, and similar furniture and cabinet assembly applications.
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