Product Description
CMT 308.060.11 Dowel Drill 6 x 30 x 57.5mm RH by CMT is a precision short-series boring tool engineered for clean, accurate blind hole drilling in panel processing and furniture manufacturing applications. Built on a super-strength steel body with a tungsten carbide (HW) cutting head, this 6mm diameter dowel drill delivers flat-bottom holes with consistent bore wall quality - making it a reliable choice for dowel joinery, cabinet assembly, and high-volume panel drilling on multi-spindle CNC boring machines and boring centers. The right-hand rotation, 4-flute design and PTFE-coated cutter portion work together to reduce pitch and glue buildup, keeping the tool performing cleanly through solid wood, chipboard, MDF, and laminates.
Key Features
- Super-strength steel body with HW (carbide) cutting head - combines toughness and wear resistance so the drill maintains sharp, accurate cutting geometry through demanding production runs in chipboard, MDF, and hardwood panels.
- PTFE coating on the cutter portion (black or orange) - prevents resin, pitch, and glue from adhering to the flutes, reducing heat buildup and extending tool life between sharpenings.
- Precision-balanced HW centre point - ensures the drill locates and enters the workpiece on-center every time, which is critical for tight-tolerance dowel hole alignment in furniture and cabinet assembly.
- 2 precision-ground carbide cutting edges (Z2) - deliver clean, consistent cuts at the bore floor, producing the flat-bottom holes required for proper dowel seating and strong panel connections.
- 2 negatively ground spurs (V2) - score the panel surface ahead of the cutting edges, preventing tearout and chipping on laminates, coated panels, and veneered workpieces.
- 4 spiral flutes - efficiently evacuate chips from the bore, reducing clogging and helping maintain cut quality in deep blind holes.
- 10 x 20mm parallel shank with driving flat and length-adjusting screw - provides secure, repeatable seating in multi-spindle boring machine chucks, ensuring consistent hole depth across an entire panel run.
- Right-hand (RH) rotation - compatible with standard CNC boring centers and panel processing equipment configured for right-hand tooling.
Why This Product
- The negatively ground spurs combined with the precision-balanced carbide centre point make this drill a purpose-built solution for tearout-free boring in laminates and coated panels - materials that punish ordinary drill bits with chipped edges and rough bore walls.
- At 57.5mm total length (short series), this dowel drill is sized specifically for multi-spindle CNC boring machines and boring centers where compact tooling is required to maintain clearance between spindles during simultaneous panel drilling operations.
- The PTFE-coated cutter portion actively resists glue and resin adhesion, which translates directly to fewer tool changes and less downtime during cabinet and furniture production runs.
- With a 6mm cutting diameter and 30mm cutting height, this drill covers one of the most common dowel bore specifications used in flat-pack and custom cabinet manufacturing, making it a practical everyday tool for panel processing shops.
Specifications
- Manufacturer Part Number: 308.060.11
- Brand: CMT Orange Tools
- Diameter: 6mm
- Cutting Height: 30mm
- Total Length: 57.5mm
- Shank: 10 x 20mm (parallel shank with driving flat and length-adjusting screw)
- Number of Cutting Edges: 2 (Z2)
- Number of Spurs: 2 (V2)
- Number of Flutes: 4
- Spur Sharpening: Negatively ground spurs
- Blade Material: HW (tungsten carbide)
- Rotation: Right-hand (RH)
- Coating: PTFE (black or orange) on cutter portion
Approved Applications
- Blind hole drilling for dowel connections
- Panel drilling in furniture manufacturing
- Cabinet making and flat-pack assembly boring
- Multi-spindle CNC boring machine operations
- CNC boring center panel processing
- Boring on machines fitted with an adapter or chuck
- Chipboard and particleboard boring
- MDF and HDF panel drilling
- Hardwood and softwood dowel hole boring
- Plywood, laminate, and coated panel drilling
Frequently Asked Questions
What type of shank does this dowel drill use, and is it compatible with standard boring machine spindles?
This drill uses a 10 x 20mm parallel shank with a driving flat and a length-adjusting screw. This shank design is the standard configuration for multi-spindle CNC boring machines, CNC boring centers, and panel processing centers, as well as boring machines fitted with a compatible adapter or chuck.
What does the PTFE coating on the cutter portion do?
The PTFE coating (available in black or orange) prevents pitch, resin, and adhesive glue from bonding to the cutter and flutes during drilling. This keeps the cutting zone cleaner for longer, reduces heat-related buildup, and helps maintain cutting performance between tool sharpenings - especially when boring glued or coated panels.
What is the purpose of the negatively ground spurs on this dowel drill?
The 2 negatively ground spurs (V2) score the surface of the workpiece around the bore perimeter before the main cutting edges remove material. This shearing action prevents the surface veneer, laminate, or coating from lifting or chipping, which is essential for producing clean, professional-quality holes in laminates, melamine-coated panels, and veneered chipboard.
Can this drill be used for through-hole drilling, or is it intended only for blind holes?
This dowel drill is designed specifically for blind hole drilling - that is, holes that do not pass all the way through the workpiece. The flat-bottom geometry produced by the precision-balanced centre point and the carbide cutting edges (Z2) is optimized for dowel seating, where a flat bore floor is required for a proper joint connection in panel furniture and cabinet assembly.
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