Product Description
CMT 309.130.11 Dowel Drill - 13 x 43 x 70mm, Right-Hand Rotation is a precision-engineered carbide-tipped boring tool built for clean, accurate dowel hole production in furniture manufacturing, cabinet making, and panel processing. Constructed from super-strength steel with a tungsten carbide (HW) head, this 13mm diameter drill delivers consistent flat-bottom blind holes with minimal tearout - making it a reliable choice for production drilling in solid wood, chipboard, MDF, and coated panel materials. The 70mm overall length provides the reach needed for deeper blind hole applications, while the 43mm cutting height handles a wide range of panel thicknesses.
Key Features
- HW (Tungsten Carbide) Cutting Head: Precision-ground carbide construction maintains edge sharpness through extended production runs, reducing downtime and regrinding frequency on demanding materials like MDF and laminates.
- 2 Negatively Ground Spurs (V2): The negatively ground spur geometry scores the wood fiber ahead of the cutting edges, producing clean bore walls and flat-bottom holes with no rough edges or tearout - critical for tight-fitting dowel joints.
- 2 HW Precision-Ground Cutting Edges (Z2): Dual carbide cutting edges balance the cutting load symmetrically, resulting in accurate hole geometry and a smooth bore surface ready for dowel insertion without additional finishing.
- 4 Spiral Flutes with PTFE Coating: Four spiral flutes evacuate chips efficiently during boring. The PTFE coating on the cutter portion prevents pitch and adhesive buildup, extending tool life and maintaining cutting performance across long production runs.
- Parallel Shank with Driving Flat and Length Adjusting Screw: The 10 x 20mm parallel shank with integrated driving flat and length adjusting screw ensures secure, repeatable tool mounting in multi-spindle CNC boring machines and boring centers, eliminating slippage and inconsistent hole depths.
- Right-Hand (RH) Rotation: Designed for standard right-hand spindle machines, this drill integrates directly into the most widely used boring machine configurations without adapters or special setup.
- 70mm Long-Series Length: The extended 70mm overall length accommodates thicker panel stock and applications requiring deeper blind holes, offering greater versatility than standard-length dowel drills.
Why This Product
- Clean holes in demanding panel materials: The combination of negatively ground spurs and precision carbide cutting edges addresses one of the most common challenges in dowel drilling - tearout and rough bore walls on chipboard, MDF, and laminates. The result is a hole that accepts dowels cleanly without pre-finishing.
- Reduced maintenance in high-volume production: The PTFE-coated cutter portion actively resists pitch and glue adhesion, which is a leading cause of edge degradation in panel-processing environments. This helps operators maintain consistent hole quality between sharpenings.
- Direct compatibility with CNC and multi-spindle boring equipment: The 10 x 20mm parallel shank with driving flat and length adjusting screw is a standard configuration for industrial boring machines, meaning this drill installs without modification and holds depth settings reliably across large production batches.
- Long-series reach for thicker panel stock: At 70mm overall length with a 43mm cutting height, this drill handles panel thicknesses that shorter-series tools cannot reach - making it a practical choice for shops working with a range of panel gauges on the same machine setup.
Specifications
- Manufacturer Part Number: 309.130.11
- Brand: CMT Orange Tools
- Diameter: 13mm
- Cutting Height: 43mm
- Total Length: 70mm
- Shank: 10 x 20mm
- Rotation: Right-Hand (RH)
- Number of Cutting Edges: 2
- Number of Spurs: 2
- Number of Flutes: 4
- Sharpening: Negatively ground spurs
- Blade Material: HW (Tungsten Carbide)
- Cutter Coating: PTFE (black or orange)
Approved Applications
- Dowel hole drilling for knock-down and fixed furniture joints
- Blind hole boring in cabinet carcass panels
- Panel drilling in furniture manufacturing production lines
- CNC boring center and multi-spindle machine applications
- Drilling in chipboard, MDF, HDF, solid hardwood, solid softwood, plywood, laminates, and coated panels
Frequently Asked Questions
What shank size does this dowel drill use, and will it fit my boring machine?
This drill uses a 10 x 20mm parallel shank with a driving flat and a length adjusting screw. This is a standard configuration used in multi-spindle CNC boring machines and panel boring centers. Check your machine's spindle specification to confirm 10mm shank compatibility before installing.
What is the purpose of the PTFE coating on the cutter portion?
The PTFE coating applied to the cutter portion prevents pitch and glue from adhering to the drill body during boring. This reduces buildup that would otherwise degrade cutting performance, helping to maintain clean hole quality over longer production runs between cleanings or sharpenings.
What does "negatively ground spurs" mean for hole quality?
Negatively ground spurs are configured to score and sever the wood fiber at the perimeter of the bore before the main cutting edges remove material. This technique produces clean, well-defined bore walls and flat-bottom holes with minimal tearout - particularly important when drilling chipboard, laminates, and coated panels where surface quality at the hole rim affects the final joint appearance.
Is this a right-hand or left-hand drill, and does it matter for my application?
This is a right-hand (RH) rotation drill, designed to rotate clockwise when viewed from behind the shank. Most standard boring machines and CNC boring centers run right-hand spindles, so this drill is compatible with the majority of common setups. If your machine uses left-hand spindles, you will need to source a left-hand (LH) version of this tool instead.
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