Product Description
CMT Two Flute Dowel Drill - 12 x 44 x 77mm Right Hand is a precision boring tool engineered for clean, flat-bottom blind holes in furniture panels, solid wood, chipboard, MDF, and laminates. Built on a super-strength steel body with a tungsten carbide (HW) cutting head, this right-hand rotation dowel drill delivers the accuracy and repeatability demanded by cabinet makers, furniture manufacturers, and CNC panel processing operations. The 12mm cutting diameter, 44mm cutting height, and compact 77mm overall length make it well suited for through-panel and deep blind-hole dowel joinery applications where consistent bore quality is critical.
Key Features
- HW (Tungsten Carbide) Cutting Head - carbide-grade hardness at the cutting edges holds sharpness longer than standard steel, reducing the frequency of tool changes during high-volume panel drilling runs.
- 2 Precision Ground Cutting Edges (Z2) - dual flute geometry balances cutting forces on both sides of the bore simultaneously, producing a cleaner hole bottom and more uniform chip evacuation.
- 2 Negatively Ground Spurs (V2) - the negative grind geometry scores the perimeter of the hole before the main cutters clear the waste, preventing surface tearout and fiber lifting on veneered, laminated, or coated panel faces.
- Precision Balanced Centre Point - keeps the drill on-target from entry to full depth, reducing hole position error and the need for repositioning or rework on multi-bore patterns.
- PTFE Coating on Cutter Portion - the orange or black non-stick P.T.F.E. surface prevents pitch, resin, and adhesive buildup on the flutes, maintaining free chip flow and extending tool service life.
- Super-Strength Steel Body - the shank and body resist bending and vibration under load, supporting stable, chatter-free performance across repeated boring cycles.
- 10 x 30mm Parallel Shank with Driving Flat and Length Adjusting Screw - the driving flat prevents shank rotation in the collet or chuck, and the length adjusting screw allows precise depth setting without additional tooling, saving setup time on multi-spindle machines.
- Right-Hand (RH) Rotation - matches the standard spindle direction of CNC boring centers, multi-spindle boring machines, and panel processing centers, allowing direct chuck or adapter mounting without additional components.
Why This Product
- The combination of negatively ground spurs and a precision balanced centre point means bore walls are clean and hole positions are accurate - critical for dowel joints that must align across mating panels in cabinet and furniture assembly.
- The 44mm cutting height gives adequate depth capacity for blind holes in thick panels and workpieces while the 77mm overall length keeps the tool compact enough for dense multi-spindle head configurations.
- PTFE coating on the cutter portion actively resists adhesive and resin fouling - a practical advantage when drilling pre-glued or pre-laminated board materials where pitch buildup can degrade cut quality mid-run.
- The parallel shank with driving flat and length adjusting screw simplifies tool changes and depth re-setting on production boring machines, helping maintain consistent hole depth across large batch runs without time-consuming individual checks.
Specifications
- Manufacturer Part Number: 362.120.11
- Brand: CMT Orange Tools
- Product Type: Two Flute Dowel Drill
- Diameter: 12mm
- Cutting Height: 44mm
- Total Length: 77mm
- Shank: 10 x 30mm parallel shank with driving flat and length adjusting screw
- Number of Cutting Edges: 2 (Z2)
- Number of Spurs: 2 (V2)
- Spur Grind: Negatively ground spurs
- Blade Material: HW (Tungsten Carbide)
- Coating: P.T.F.E. (orange or black) on cutter portion
- Rotation: Right-Hand (RH)
Approved Applications
- Blind hole drilling for dowel joinery connections
- Panel drilling in furniture manufacturing
- Cabinet making and case construction
- Chipboard and particleboard boring
- MDF and HDF panel drilling
- Hardwood and softwood boring
- Laminated and coated panel drilling
- Plastic panel boring
- Multi-spindle CNC boring machine operations
- CNC boring center and panel processing center use
- Boring machine use with adapter or chuck
Frequently Asked Questions
What does the negatively ground spur geometry do for hole quality?
The 2 negatively ground spurs (V2) score the outer perimeter of the bore before the main cutting edges remove material from the center. This severs wood fibers and surface laminate cleanly at the rim of the hole, preventing tearout, chipping, or fiber lifting on veneered or coated panel faces - resulting in a crisp, clean bore edge that requires no sanding or cleanup before dowel insertion.
What machines is this dowel drill compatible with?
This tool is designed for right-hand rotation spindles and is compatible with multi-spindle CNC boring machines, CNC boring centers, panel processing centers, and boring machines fitted with an appropriate adapter or chuck. The 10 x 30mm parallel shank with driving flat is a standard boring machine interface that mounts directly into compatible collets or chucks.
What is the purpose of the P.T.F.E. coating on the cutter portion?
The P.T.F.E. (polytetrafluoroethylene) non-stick coating applied to the cutter portion of the drill prevents pitch, resin, and adhesive from bonding to the flute surfaces during drilling. This keeps chips moving freely out of the bore, maintains consistent cut quality over extended runs, and reduces the need for frequent manual cleaning - particularly important when working with MDF, chipboard, laminates, and pre-glued panels.
How does the length adjusting screw on the shank help during setup?
The length adjusting screw, combined with the parallel shank and driving flat, allows the operator to set and fine-tune the projection depth of the drill in the spindle holder without removing the tool entirely. This speeds up depth calibration on multi-spindle boring heads and helps maintain consistent blind hole depth across all spindles in a production boring pattern - reducing setup time and improving repeatability from the first bore.
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