Product Description
CMT Two Flute Dowel Drill for Through Holes - 10x44x77mm Right Hand is a precision-engineered boring tool built for high-volume drilling of through-hole dowel connections in panel processing and furniture manufacturing. Featuring a tungsten carbide (HW) cutting head with 2 precision-ground flutes, this right-hand rotation drill bores clean, accurate through-holes in chipboard, MDF, hardwood, softwood, plywood, and coated panels. The spiral portion is coated with P.T.F.E. to resist pitch and glue buildup, keeping the tool performing cleanly across extended production runs. Designed for use in multi-spindle boring machines, CNC boring centers, and panel processing equipment, this 77mm overall length drill handles deep through-holes in thick panels where standard-length dowel drills cannot reach.
Key Features
- HW (Tungsten Carbide) Cutting Head - delivers long-lasting edge retention and consistent bore quality when drilling abrasive engineered wood products like MDF, chipboard, and laminates, reducing tool change frequency in production environments.
- 2 Precision-Ground Cutting Edges (Z2) - balanced cutting action on both flutes produces smooth bore walls and accurate hole diameters, minimizing tearout and reducing the need for secondary finishing.
- P.T.F.E.-Coated Spiral Flutes - the orange or black P.T.F.E. coating on the spiral portion prevents resin, pitch, and adhesive buildup during drilling, extending tool service life and maintaining chip evacuation efficiency.
- Precision-Balanced Centre Point - ensures the drill self-centers accurately at the start of each bore, producing consistently positioned holes critical for dowel alignment in furniture assembly.
- 44mm Cutting Height - provides adequate depth capacity for through-hole drilling in thick panels, making this tool suitable for deep-bore applications that shorter dowel drills cannot accommodate.
- Super-Strength Steel Body - the tool body resists deflection and vibration during high-speed boring, supporting straight, true holes even at production feed rates.
- Parallel Shank with Driving Flat and Length Adjusting Screw - the 10x26mm shank secures firmly in boring machine spindles and allows precise axial positioning, ensuring repeatable drilling depth across every cycle.
- Right-Hand (RH) Rotation - matches the standard spindle rotation direction of most multi-spindle and CNC boring machines, making setup straightforward and direct.
- 77mm Total Length (Through-Hole Long Series) - the extended overall length allows the drill to clear thick workpieces and boring machine spindle housings while still completing full through-hole cuts.
Why This Product
- The 77mm overall length and 44mm cutting height make this dowel drill specifically engineered for deep through-hole drilling in thick panels - situations where a standard-length dowel drill would bottom out before completing the bore.
- The combination of a tungsten carbide cutting head and P.T.F.E.-coated spiral flutes addresses two common production problems at once: premature edge wear when drilling abrasive materials, and resin buildup that clogs flutes and degrades hole quality over time.
- The precision-balanced centre point paired with 2 precision-ground cutting edges means each hole starts accurately and finishes cleanly - a practical advantage in dowel joinery where hole position and diameter directly affect assembly fit.
- The parallel shank with driving flat and length adjusting screw provides secure, repeatable seating in boring machine spindles - supporting consistent drilling depth across high-volume production runs without constant re-adjustment.
Specifications
- Manufacturer Part Number: 366.100.11
- Brand: CMT Orange Tools
- Diameter: 10mm
- Cutting Height: 44mm
- Total Length: 77mm
- Shank: 10x26mm
- Number of Flutes: 2
- Blade Material: HW (Tungsten Carbide)
- Rotation: Right Hand (RH)
- Sharpening: Through holes 60
Approved Applications
- Through-hole drilling for dowel connections
- Panel processing and furniture manufacturing
- Boring in chipboard, MDF, HDF, hardwood, softwood, plywood, laminates, and coated panels
- Multi-spindle CNC boring machines and boring centers
- Panel processing centers
- Boring machines with adapter or chuck
Frequently Asked Questions
What is the difference between this through-hole dowel drill and a standard blind-hole dowel drill?
This drill is specifically designed to bore completely through a panel or workpiece from one face to the other - a through-hole. Its 77mm total length and 44mm cutting height give it the reach to complete full through-hole bores in thick panels. A blind-hole dowel drill is optimized to stop at a precise depth without exiting the opposite face. The geometry, flute design, and tip configuration differ accordingly.
What does P.T.F.E. coating on the spiral flutes do during drilling?
The P.T.F.E. coating applied to the spiral portion of the drill reduces friction between the flute surfaces and the workpiece material. This prevents resin, pitch, and adhesive residue from bonding to the flutes during drilling. The result is cleaner chip evacuation, reduced heat buildup, and a longer interval between tool cleanings - all of which help maintain consistent hole quality over extended production use.
Will this drill work in a hand-held power drill or drill press?
This dowel drill is engineered for use in multi-spindle boring machines, CNC boring centers, panel processing centers, and boring machines fitted with an appropriate adapter or chuck. Its 10x26mm parallel shank with driving flat and length adjusting screw is designed to seat and lock in boring machine spindles. While the shank diameter is 10mm, the driving flat and length adjusting screw are features specific to boring machine setups rather than standard drill chucks.
How does the precision-balanced centre point contribute to hole accuracy?
The centre point on the HW cutting head contacts the workpiece first, locating the drill precisely on the intended bore position before the outer cutting edges engage the material. This self-centering action prevents the drill from walking or drifting at the start of the cut - a critical factor in dowel joinery where hole position must align accurately with mating holes in the connecting panel or component.
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