Product Description
CMT Dowel Drill with Countersink - 10x15x57mm, 10x25mm Shank, Left-Hand Rotation is a precision-engineered boring tool designed for drilling and countersinking in a single pass on CNC boring machines and multi-spindle boring centers. Built on a super-strength steel body with a tungsten carbide (HW) cutting head, this left-hand rotation drill combines hole boring and recess formation simultaneously, reducing cycle time and tool changes when processing panel products, hardwood, softwood, and engineered wood materials. The PTFE-coated spiral flutes resist pitch and adhesive buildup, keeping the bit cutting cleanly through repeated production runs.
Key Features
- Tungsten Carbide (HW) Cutting Head on Super-Strength Steel Body - delivers lasting cutting performance and impact resistance through high-volume boring cycles without premature wear.
- PTFE-Coated Spiral Flutes - the orange or black PTFE coating prevents resin, pitch, and glue from adhering to the flute surfaces, reducing clogging and extending tool life in adhesive-rich panel processing environments.
- Precision-Balanced Centre Point - centers the drill accurately on the target location at entry, reducing walking and producing consistent, repeatable hole placement across every workpiece.
- 2 Precision-Ground Cutting Edges (Z2) - two matched cutting edges distribute cutting load evenly, promoting a clean, flat-bottom bore with smooth side walls in chipboard, MDF, plywood, and coated panels.
- 2 Negatively Ground Spurs (V2) - negatively ground spurs score the material surface cleanly before the main cutting edges engage, preventing tearout and chipping at bore entry for a professional finish on laminates and coated panels.
- Integrated Countersink - drills and countersinks in one pass, creating a clean recess for bolt heads and connectors without a separate tooling step, improving throughput on panel processing centers.
- Left-Hand (LH) Rotation - designed specifically for left-hand spindle positions on multi-spindle CNC boring machines, ensuring correct cutting geometry and chip evacuation on the appropriate spindle side.
- Parallel Shank with Driving Flat and Length Adjusting Screw - the 10x25mm shank seats securely in the machine chuck, while the driving flat prevents slippage under load and the adjusting screw allows precise depth setting.
- 10mm Diameter with 15mm Cutting Height - matched to standard dowel hole sizing for cabinetry and furniture joinery, producing holes of the correct diameter and depth for common connector and dowel hardware.
Why This Product
- Combining drilling and countersinking into a single-pass operation eliminates the need to swap tools between operations, reducing machine downtime and increasing throughput on panel processing lines.
- The negatively ground spurs paired with the precision carbide cutting head address one of the most common boring quality issues - tearout on coated and laminated panels - delivering clean entry holes that require no rework.
- The PTFE-coated flutes are specifically suited to production environments where adhesive-coated or resin-rich materials like chipboard and MDF are processed continuously, keeping the tool performing longer between cleanings or replacements.
- Left-hand rotation with a 10x25mm parallel shank and driving flat makes this drill a direct-fit for left-hand spindle stations on multi-spindle CNC boring machines and CNC boring centers, with no adapter modifications needed.
Specifications
- Manufacturer Part Number: 376.101.12
- Brand: CMT Orange Tools
- Diameter: 10mm
- Cutting Height: 15mm
- Total Length: 57.5mm
- Shank: 10x25mm
- Rotation: Left-Hand (LH)
- Number of Cutting Edges: 2 (Z2)
- Number of Spurs: 2 (V2)
- Spur Sharpening: Negatively ground spurs
- Blade Material: HW (Tungsten Carbide)
- Body Material: Super-strength steel
- Tool Type: Dowel drill with countersink
Approved Applications
- Drilling and countersinking in one pass on boring machines
- Bolt head and connector recessing in panel products
- Dowel hole boring for furniture and cabinetry joinery
- Panel processing on CNC boring centers and multi-spindle machines
- Processing chipboard, MDF, HDF, hardwood, softwood, plywood, laminates, and coated panels
Frequently Asked Questions
What does the integrated countersink do on this drill?
The countersink geometry built into this drill creates a clean recess for bolt heads or connectors at the same time the main bore hole is cut. This combined drilling and countersinking action happens in a single pass, eliminating the need for a separate countersink tool or a second machine operation.
Why are negatively ground spurs important for laminated or coated panels?
Negatively ground spurs score the panel surface cleanly around the perimeter of the hole before the main cutting edges remove material. This pre-scoring action severs the surface fibers or coating layer ahead of the bore, preventing the tearing and chipping at hole entry that can occur when machining laminates and coated panels without spurs.
What is the purpose of the PTFE coating on the spiral flutes?
The PTFE coating applied to the spiral portion of this drill creates a low-friction, non-stick surface on the flutes. In production boring of materials like chipboard, MDF, and resin-rich engineered panels, this coating prevents pitch, glue, and adhesive residue from bonding to the flutes, keeping chip evacuation efficient and reducing the frequency of cleaning stoppages.
What machine types is this drill compatible with?
This drill is designed for use on multi-spindle CNC boring machines, CNC boring centers, and panel processing centers with left-hand spindle stations. The 10x25mm parallel shank with a driving flat and length adjusting screw allows secure seating in standard chuck or adapter configurations on compatible boring equipment.
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