Product Description
The CMT 311.100.11 Dowel Drill - 10 x 35 x 70mm Right-Hand is a precision-engineered, 2-flute boring tool built for reliable dowel hole drilling in panel processing, furniture manufacturing, and cabinet making applications. Manufactured by CMT, this long-series dowel drill combines a tungsten carbide (HW) cutting head with a super-strength steel body to deliver clean, flat-bottom blind holes in solid wood, chipboard, MDF, laminates, and coated panels. The PTFE-coated spiral flutes resist pitch and adhesive buildup during production runs, keeping the tool cutting freely through demanding woodworking and panel drilling cycles.
Key Features
- HW (Tungsten Carbide) Cutting Head - hard-wearing carbide retains a sharp edge far longer than standard steel, reducing tool changes and maintaining consistent bore quality across high-volume production runs.
- 2 Precision-Ground HW Cutting Edges - dual carbide edges share the cutting load evenly, producing smooth bore walls and accurate diameter control on every hole for tight-fitting dowel joints.
- 2 Negatively Ground Spurs (V2) - scribe the perimeter of the hole before the main cutters engage, preventing tearout and fiber lifting at the surface of laminates, coated panels, and veneered boards.
- Precision-Balanced Centre Point - locates the drill accurately at the start of each bore, eliminating walk-off and ensuring hole placement is exact - critical for multi-spindle CNC boring alignment.
- PTFE-Coated Spiral Flutes - the orange or black PTFE coating on the spiral portion prevents pitch, resin, and glue from adhering to the flutes, maintaining chip clearance and extending working life between cleanings.
- 2 Spiral Flutes - efficiently evacuate chips and dust from the bore during drilling, reducing heat buildup and the risk of burning in dense materials such as hardwood or HDF.
- Super-Strength Steel Body - the steel shank and body resist flexing under load, delivering stable, vibration-free performance in multi-spindle and CNC boring centers.
- Parallel Shank with Driving Flat and Length Adjusting Screw - the 10 x 30mm shank seats securely in standard boring machine collets or chucks, and the adjusting screw allows precise depth setting without additional tooling.
- Right-Hand (RH) Rotation - compatible with conventional right-hand boring spindles found on the majority of multi-spindle CNC boring machines and panel processing centers.
- Long-Series 70mm Overall Length - the extended body provides the reach needed for deeper boring in thick panels or when using adapter setups, expanding the range of workpieces that can be processed.
Why This Product
- The 35mm cutting height in a 70mm overall length makes this drill the right choice for applications requiring blind holes deeper than standard short-series bits can reach - without sacrificing rigidity or bore accuracy.
- The combination of negatively ground V2 spurs and a precision-balanced centre point addresses two of the most common dowel-drilling problems at once: surface tearout and hole misalignment - both of which affect joint quality in finished furniture panels.
- PTFE spiral coating directly reduces production downtime by preventing resin and adhesive buildup that would otherwise clog flutes, dull the cutting edges prematurely, and require frequent cleaning or tool replacement.
- The HW (tungsten carbide) construction paired with a super-strength steel body means this drill handles chipboard, MDF, HDF, hardwood, laminates, and coated panels in the same production environment without needing a tool change between material types.
Specifications
- Manufacturer Part Number: 311.100.11
- Brand: CMT Orange Tools
- Diameter: 10mm
- Cutting Height: 35mm
- Total Length: 70mm
- Shank: 10 x 30mm
- Number of Cutting Edges: 2
- Rotation: Right-Hand (RH)
- Blade Material: HW (Tungsten Carbide)
Approved Applications
- Blind hole drilling for dowel connections in panel and solid wood assemblies
- Panel drilling in furniture manufacturing and cabinet making
- Multi-spindle CNC boring machine operations
- CNC boring center and panel processing center use
- Boring machine setups with adapter or chuck
- Drilling in chipboard, MDF, HDF, hardwood, softwood, plywood, laminates, and coated panels
Frequently Asked Questions
What is the purpose of the negatively ground spurs on this dowel drill?
The 2 negatively ground spurs (V2) scribe the outer perimeter of the hole before the main carbide cutting edges remove material. This scribing action severs surface fibers cleanly before they can be torn, which is especially important when drilling laminates, coated panels, or veneered boards where a ragged hole edge is not acceptable in finished furniture work.
What does the PTFE coating on the spiral flutes do during use?
The PTFE coating applied to the spiral portion of the drill prevents pitch, resin, and adhesive residues from bonding to the flute surface. By keeping the flutes clean during cutting, chip evacuation remains efficient, heat buildup is reduced, and the carbide cutting edges stay sharper for longer - all of which extends the service life of the drill in production environments.
How does the parallel shank with driving flat and length adjusting screw work?
The 10 x 30mm parallel shank fits into standard boring machine collets or chucks. The driving flat prevents the shank from rotating within the holder under cutting forces, while the length adjusting screw allows the operator to set and fine-tune the projection of the drill - and therefore the boring depth - without requiring separate depth stop accessories.
Is this drill suitable for use on CNC boring machines and multi-spindle boring centers?
Yes. The right-hand (RH) rotation, 10 x 30mm parallel shank with driving flat, and precision-balanced centre point are all characteristics matched to the requirements of multi-spindle CNC boring machines, CNC boring centers, and panel processing centers that use standard right-hand boring spindles. The 70mm overall length also accommodates adapter setups where additional reach is needed.
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