Product Description
CMT Four Flute Dowel Drill - 10 x 65 x 105mm Left-Hand Rotation by CMT is a precision-engineered carbide-tipped boring tool built for deep blind hole drilling on large CNC boring centers and multi-spindle panel processing machines. Designed for left-hand rotation, this extra-long 105mm dowel drill handles the demands of high-volume furniture manufacturing, cabinet making, and panel drilling with consistent, clean results in solid wood, chipboard, MDF, laminates, and coated panels. Its four-spiral-flute geometry and tungsten carbide (HW) cutting head make it a reliable choice wherever accurate dowel connections and flat-bottom bore quality are required.
Key Features
- Tungsten Carbide (HW) Cutting Head with Precision Balanced Centre Point - the hard-wearing carbide tip stays sharper longer through dense materials like chipboard and MDF, and the balanced centre point starts each bore accurately without wandering, reducing reject rates.
- 2 Precision-Ground HW Cutting Edges (Z2) - two carbide cutting edges working in tandem deliver smooth, consistent bore walls in every pass, minimizing tearout in laminates and coated panels.
- 2 Negatively Ground Spurs (V2) - negatively ground spurs score the material cleanly before the main cutters engage, producing flat-bottom holes with crisp entry edges and no fiber lifting, which is especially important on veneered and laminated surfaces.
- 4 Spiral Flutes - four flutes evacuate chips rapidly and evenly, reducing heat buildup and clogging during deep blind hole drilling, and keeping bore quality consistent at production speeds.
- Super-Strength Steel Body with PTFE Coating - the cutter portion is coated with PTFE (black or orange), which resists pitch and adhesive buildup during repetitive production runs, protecting tool life and reducing downtime for cleaning.
- Parallel Shank with Driving Flat and Length Adjusting (10 x 30mm) - the driving flat locks the tool securely against rotation in the spindle chuck, and the length-adjusting feature allows precise depth positioning on multi-spindle CNC boring centers without special tooling.
- Extra-Long 105mm Overall Length - the extended body reaches deep into multi-spindle heads and accommodates boring center configurations where shorter tools cannot reach, expanding compatibility with larger CNC panel processing equipment.
- Left-Hand (LH) Rotation - engineered specifically for left-hand spindles, this drill matches the tooling requirements of multi-spindle CNC boring centers that use both LH and RH spindles simultaneously, ensuring proper cutting geometry and surface finish on every bore.
Why This Product
- Engineered for left-hand spindle positions on multi-spindle CNC boring centers, this drill fills a specific tooling requirement that standard right-hand drills cannot satisfy - pairing it correctly with LH spindles produces proper cutting action, clean hole walls, and predictable tool life.
- The 65mm cutting height and 105mm overall length make this drill suited for very deep blind holes that shorter-series dowel drills cannot reach, making it practical for thick panel stock and deep-boring center configurations common in industrial furniture and cabinet production.
- Carbide (HW) construction combined with PTFE-coated spiral flutes means the tool resists both wear and pitch buildup in composite materials like chipboard and MDF - two of the most demanding substrates in panel furniture manufacturing - reducing the frequency of tool changes on high-cycle production lines.
- Negatively ground spurs paired with precision-ground carbide cutting edges work together to produce clean entry and flat-bottom bore quality in laminates and coated panels, where surface quality directly affects joint fit and finished appearance in assembled furniture.
Specifications
- Manufacturer Part Number: 372.100.12
- Brand: CMT Orange Tools
- Diameter: 10mm
- Cutting Height: 65mm
- Total Length: 105mm
- Shank: 10 x 30mm (parallel shank with driving flat and length adjusting)
- Rotation: Left-Hand (LH)
- Number of Flutes: 4
- Number of Cutting Edges: 2 (Z2)
- Number of Spurs: 2 (V2)
- Spur Sharpening: Negatively ground spurs
- Blade Material: Tungsten Carbide (HW)
Approved Applications
- Deep blind hole drilling for dowel connections
- Panel drilling on large CNC boring centers
- Furniture manufacturing
- Cabinet making
- Multi-spindle boring machine operations requiring left-hand tooling
- Drilling in solid wood, chipboard, MDF, HDF, plywood, laminates, and coated panels
Frequently Asked Questions
What machines is this dowel drill compatible with?
This drill is designed for use on large CNC boring centers and multi-spindle panel processing machines that accommodate a 10 x 30mm parallel shank with a driving flat. The length-adjusting feature supports precise depth setting on multi-spindle heads. It is specifically built for left-hand spindle positions, so confirm your machine's spindle rotation direction before installation.
Why does this drill have a left-hand (LH) rotation designation?
Multi-spindle CNC boring centers commonly use both right-hand and left-hand spindles simultaneously to drill rows of holes in a single pass. Left-hand spindles require LH-rotation tooling so the cutting edges engage the material correctly. Using a right-hand drill on a left-hand spindle would cause the tool to cut in reverse, producing poor hole quality and potential tool damage.
What is the purpose of negatively ground spurs on a dowel drill?
The 2 negatively ground spurs on this drill score the perimeter of the bore before the main carbide cutting edges remove material. This pre-scoring action severs surface fibers cleanly, which is especially important when drilling laminates, coated panels, and veneered surfaces where a ragged entry edge would affect both joint quality and finished appearance.
What does the PTFE coating on the cutter portion do?
The PTFE coating applied to the spiral cutter portion acts as a non-stick surface that resists pitch, resin, and adhesive buildup during drilling. In production environments where composite materials like chipboard and MDF are drilled at high cycle rates, this coating helps maintain chip flow through the four spiral flutes and reduces the frequency of cleaning stops, supporting consistent bore quality over extended runs.
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