Product Description
CMT Dowel Drill for Through Holes - 9 x 35 x 70mm Right-Hand Rotation is a precision carbide-tipped boring tool engineered for clean, accurate through-hole drilling in panel processing and furniture manufacturing applications. Built on a super-strength steel body with a tungsten carbide (HW) cutting head, this 9mm diameter dowel drill delivers consistent, blowout-free results when drilling through chipboard, MDF, hardwood, softwood, plywood, laminates, and coated panels. The 70mm overall length and 35mm cutting height make it well-suited for panels up to the cutting depth capacity of multi-spindle boring machines and CNC boring centers. Right-hand rotation and a 10x26mm parallel shank with driving flat and length adjusting screw ensure secure, repeatable positioning in compatible machine spindles.
Key Features
- HW (Tungsten Carbide) Cutting Head - provides long-lasting cutting performance and resistance to wear when boring through abrasive engineered panels and hardwoods, reducing the frequency of tool changes in production environments.
- Super-Strength Steel Body - withstands the mechanical stress of high-cycle boring operations, helping maintain tool geometry and dimensional accuracy over extended use.
- PTFE-Coated Spiral Flutes (orange or black) - the low-friction P.T.F.E. coating on the spiral portion resists pitch and adhesive buildup, keeping flutes clear and helping maintain consistent chip evacuation during through-hole drilling.
- Precision-Balanced Centre Point - the HW head incorporates a precision balanced centre point that locates accurately and guides the drill cleanly into the workpiece, reducing wandering and improving hole position accuracy.
- 2 Precision-Ground Cutting Edges (Z2) - dual cutting edges deliver smooth bore walls and clean entry and exit cuts, minimizing tearout and surface damage on finished panel faces.
- 2 Spiral Flutes - effective chip evacuation through both flutes prevents clogging and heat buildup, supporting cleaner through-holes and longer tool life between sharpenings.
- Parallel Shank with Driving Flat and Length Adjusting Screw - the 10x26mm shank with driving flat locks securely against rotation in the machine spindle, while the length adjusting screw allows precise depth setting for repeatable through-hole dimensions.
- Right-Hand Rotation (RH) - compatible with standard right-hand spindle boring machines and CNC boring centers, making this drill a direct fit for common production setups without special configuration.
- Designed for Through-Hole Applications - the geometry and cutting height are optimized specifically for drilling completely through panels, producing a clean exit hole suited for dowel connections and panel joinery.
Why This Product
- The 9mm diameter and 35mm cutting height target one of the most common dowel boring sizes in furniture production, making this drill a practical fit for standard dowel connection layouts in panel goods manufacturing.
- The HW carbide tip combined with the PTFE-coated spiral flutes addresses two of the main causes of premature tool failure - edge wear and resin buildup - helping sustain cut quality across longer production runs without frequent intervention.
- The precision-balanced centre point and dual precision-ground cutting edges work together to produce accurately located, clean through-holes, which is critical for tight-fitting dowel joints and precise panel alignment during assembly.
- The parallel shank with driving flat and adjusting screw integrates directly into multi-spindle CNC boring machines and boring centers without adapters, streamlining tool setup and changeover in high-volume panel processing operations.
Specifications
- Manufacturer Part Number: 314.090.11
- Brand: CMT Orange Tools
- Diameter: 9mm
- Cutting Height: 35mm
- Total Length: 70mm
- Shank: 10x26mm
- Number of Cutting Edges: 2
- Rotation: Right-Hand (RH)
- Blade Material: HW (Tungsten Carbide)
- Sharpening: Through holes 60
- Application Type: Through Hole
Approved Applications
- Drilling through holes for dowel connections in furniture and cabinetry
- Panel processing on multi-spindle CNC boring machines
- Through-hole boring on CNC boring centers and panel processing centers
- Boring operations using boring machines with adapter or chuck
- Through-hole dowel drilling in chipboard, MDF, HDF, hardwood, softwood, plywood, laminates, and coated panels
Frequently Asked Questions
What type of shank does the CMT 314.090.11 use, and how does it mount in a boring machine?
This dowel drill uses a 10x26mm parallel shank with a driving flat and a length adjusting screw. The driving flat locks against the spindle to prevent rotation, while the length adjusting screw allows precise depth positioning - ensuring repeatable through-hole dimensions across production runs on compatible multi-spindle and CNC boring machines.
Is this drill designed for blind holes or through holes?
The CMT 314.090.11 is designed specifically for through-hole drilling applications. Its geometry, cutting height of 35mm, and 70mm total length are optimized to drill completely through panels, producing clean entry and exit cuts suited for dowel joinery and panel connections.
What materials can this dowel drill bore through?
This drill is compatible with chipboard, MDF, HDF, hardwood, softwood, plywood, laminates, and coated panels. The tungsten carbide (HW) cutting head handles the abrasive qualities of engineered wood products, while the PTFE-coated spiral flutes resist pitch and adhesive buildup common in laminated and coated panel materials.
What does the PTFE coating on the spiral flutes do?
The P.T.F.E. coating applied to the spiral portion of the drill creates a low-friction surface that resists the accumulation of pitch, resins, and adhesives during boring. This helps keep the flutes clear for consistent chip evacuation, reduces heat buildup, and extends the working life of the tool between sharpenings.
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