Product Description
CMT 306.100.11 Dowel Drill 10 x 30 x 55.5mm RH is a precision-engineered boring tool from CMT, built for high-speed blind hole drilling in furniture manufacturing, cabinet making, and panel processing applications. Featuring a carbide-tipped (HW) cutting head with a balanced centre point, two precision-ground cutting edges, and two negatively ground spurs, this right-hand dowel drill delivers clean, accurate bores in solid wood, chipboard, MDF, and coated panels. Whether used in multi-spindle CNC boring machines or panel processing centres, this short-series drill is designed to hold tight tolerances at production speeds while offering the durability of a resharpenable tool.
Key Features
- Super-strength steel body with HW (carbide) head - combines a rigid steel shank with a hard-wearing carbide tip, so the drill resists deflection and maintains cutting precision through demanding production runs.
- Precision-balanced centre point - starts the bore accurately without wandering, reducing breakout and scrap on finished panel surfaces.
- 2 HW precision-ground cutting edges (Z2) - carbide-tipped geometry holds a sharp edge longer than HSS alternatives, extending intervals between tool changes on high-cycle CNC boring operations.
- 2 negatively ground spurs (V2) - shear the wood fibres cleanly before the cutting edges engage, producing smooth bore walls and flat-bottom holes that seat dowels accurately without additional cleanup.
- Right-hand (RH) rotation - matches the standard spindle direction of multi-spindle CNC boring machines and boring centres, allowing straightforward installation without adapter modification.
- 8 x 20mm parallel shank - a standardised shank diameter and length fits common boring machine chucks and adapters, simplifying tool changes and reducing setup time.
- Resharpenable design - the HW cutting head can be reground multiple times, lowering the long-term cost per bore compared to single-use tooling.
Why This Product
- Blind hole accuracy matters in dowel joinery - the precision-balanced centre point and negatively ground spurs work together to produce flat-bottom, clean-walled bores that allow dowel connections to seat flush and hold tight, reducing assembly rework.
- For shops running chipboard, MDF, HDF, laminates, and coated panels on CNC boring equipment, the HW (carbide) cutting head handles abrasive composite materials that quickly degrade standard HSS drills, keeping downtime low.
- The 10mm cutting diameter and 30mm cutting height suit standard furniture and cabinet dowel pin applications, making this drill a direct fit for common production boring patterns without custom setup.
- Resharpenability extends usable tool life significantly, making this an economical choice for high-volume furniture and panel processing operations where tooling cost per part is a key production metric.
Specifications
- Manufacturer Part Number: 306.100.11
- Brand: CMT Orange Tools
- Product Type: Dowel Drill
- Diameter: 10mm
- Cutting Height: 30mm
- Total Length: 55.5mm
- Shank: 8 x 20mm
- Number of Cutting Edges: 2 (Z2)
- Number of Spurs: 2 (V2)
- Spur Sharpening: Negatively ground spurs
- Blade Material: HW (Carbide-Tipped)
- Rotation: Right-hand (RH)
- Series: 4 Flute Dowel Drill - Short Series
Approved Applications
- Blind hole drilling for dowel connections
- Panel drilling in furniture manufacturing
- Cabinet making and case goods production
- High-speed CNC boring of solid wood
- Drilling chipboard, MDF, HDF, plywood, and laminates
- Coated and melamine panel boring
Frequently Asked Questions
What materials can this dowel drill bore cleanly?
The HW (carbide-tipped) cutting head is suited for solid hardwood and softwood, chipboard, MDF, HDF, plywood, laminates, and coated panels. The negatively ground spurs shear surface fibres and coatings before the cutting edges engage, which minimises tearout and produces clean entry points on finished surfaces.
What does "negatively ground spurs" mean and why does it matter?
Negatively ground spurs are sharpened with a geometry that slices outward and downward into the workpiece ahead of the main cutting edges. This severs surface fibres cleanly, resulting in smooth bore walls and a flat bottom - critical for dowel connections that must seat without gaps or lifted veneer.
Is this drill compatible with standard CNC boring machines?
Yes. The 8 x 20mm parallel shank fits the chucks and adapters used on multi-spindle CNC boring machines, CNC boring centres, and panel processing centres. The right-hand (RH) rotation matches the standard spindle direction on these machines, so no special adapters are required for routine installations.
Can this drill be resharpened after extended use?
Yes. The super-strength steel body with HW (carbide) head is designed to be resharpened multiple times. Both the precision-ground cutting edges and the negatively ground spurs can be reground, extending the useful life of the tool and reducing the cost per bore in high-volume production environments.
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