Product Description
CMT 310.090.11 Dowel Drill 9 x 27 x 57.5mm RH is a precision-engineered, carbide-tipped (HW) boring tool built for clean, accurate blind-hole drilling in furniture manufacturing, cabinet making, and panel processing applications. Manufactured by CMT, this 9mm diameter, right-hand rotation drill features a two-flute spiral design with negatively ground spurs that produce flat-bottomed holes with smooth, tear-out-free walls - exactly what high-volume dowel joinery demands. The spiral portion is coated with P.T.F.E. (orange or black), which resists pitch and adhesive buildup to keep the tool running cleanly through chipboard, MDF, hardwood, softwood, plywood, laminates, and coated panels. With a compact 57.5mm overall length and a parallel shank with driving flat and length adjusting screw, this short-series dowel bit is a reliable choice for multi-spindle boring machines and CNC boring centers.
Key Features
- HW (Tungsten Carbide) Cutting Head - precision-ground carbide edges stay sharp through demanding production runs in abrasive materials like MDF, chipboard, and laminates, reducing downtime for tool changes.
- 2 Negatively Ground Spurs (V2) - score the wood fibers cleanly ahead of the cutting edges, producing crisp, flat-bottomed blind holes with no tearout on the surface of coated panels or hardwood faces.
- 2 Spiral Flutes (Z2) - efficiently evacuate chips and dust from the bore during drilling, preventing clogging and reducing heat buildup that can cause adhesive or pitch to bond to the bit.
- P.T.F.E.-Coated Spiral - the non-stick coating on the spiral portion prevents pitch, resin, and glue from adhering, extending tool life and maintaining consistent hole quality over time.
- Super-Strength Steel Body - the premium steel shank and body resist flex and fatigue, maintaining concentricity and bore accuracy even under the repetitive loads of multi-spindle production environments.
- Parallel Shank with Driving Flat and Length Adjusting Screw - provides a secure, repeatable seat in boring machine chucks and adapters, allowing fast depth-setting adjustments without removing the tool from the machine.
- Right-Hand (RH) Rotation - compatible with the standard spindle direction of most multi-spindle CNC boring machines, boring centers, and panel processing centers.
- Short Series 57.5mm Overall Length - the compact profile reduces runout and deflection at the cutting tip, contributing to tighter hole-location tolerances in furniture panel and cabinet boring operations.
Why This Product
- For furniture makers and cabinet shops drilling hundreds of dowel holes per shift, the P.T.F.E.-coated spiral and carbide (HW) cutting edges work together to minimize cleanup, resist adhesive fouling, and sustain consistent hole quality across long production runs.
- The combination of 2 negatively ground spurs and 2 precision-ground carbide cutting edges means both the surface and the bore wall are cut cleanly in a single pass - critical when working with pre-finished or coated panels where surface damage is not acceptable.
- The 10x27mm parallel shank with driving flat and length adjusting screw makes this bit straightforward to install and set to depth in boring machine adapters, reducing setup time between jobs without sacrificing positional accuracy.
- At 9mm diameter with a 27mm cutting height, this dowel drill matches the most common dowel-pin sizing used in cabinet and furniture assembly, making it a practical everyday tool for panel drilling and dowel connection work in solid wood, chipboard, MDF, and plywood.
Specifications
- Manufacturer Part Number: 310.090.11
- Brand: CMT Orange Tools
- Diameter: 9mm
- Cutting Height: 27mm
- Total Length: 57.5mm
- Shank: 10x27mm
- Number of Flutes: 2
- Number of Spurs: 2
- Spur Sharpening: Negatively ground spurs
- Blade Material: HW (Tungsten Carbide)
- Rotation: Right-hand (RH)
- Shank Type: Parallel shank with driving flat and length adjusting screw
- Coating: P.T.F.E. (orange or black) on spiral portion
Approved Applications
- Blind hole drilling for dowel connections in furniture and cabinet assembly
- Panel drilling in sheet goods including chipboard, MDF, HDF, and plywood
- Boring operations in solid hardwood and softwood components
- Drilling in laminates and coated panels where surface quality is critical
- Use in multi-spindle CNC boring machines and boring centers
- Use in panel processing centers with boring machine adapters or chucks
Frequently Asked Questions
What materials can this dowel drill be used on?
This bit is designed for drilling in solid wood (hardwood and softwood), chipboard, MDF, HDF, plywood, laminates, and coated panels. The HW (tungsten carbide) cutting head and P.T.F.E.-coated spiral make it well suited to both natural wood products and abrasive engineered sheet materials commonly used in furniture and cabinet production.
What shank size does this dowel drill use, and how is it secured in the machine?
The shank measures 10x27mm and is a parallel shank type with a driving flat and a length adjusting screw. This configuration seats securely in boring machine adapters and chucks, and the length adjusting screw allows quick, repeatable depth setting without fully removing the bit from the spindle.
Why do the spurs on this drill have a negative grind?
The 2 negatively ground spurs are configured to score the material cleanly at the perimeter of the hole before the main cutting edges remove the core. This results in a clean entry point with no surface tearout - especially important when drilling into coated panels, laminates, or pre-finished wood where edge quality directly affects the finished appearance of the assembled piece.
What does the P.T.F.E. coating on the spiral do?
The P.T.F.E. coating applied to the spiral flutes acts as a non-stick barrier that prevents pitch, resin, and adhesive residue from bonding to the tool during drilling. This keeps the flutes clear for efficient chip evacuation, maintains consistent hole quality over extended use, and reduces the frequency of cleaning or tool replacement in production environments.
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