Product Description
CMT Dowel Drill with Countersink - 10x15x70mm, 10x38mm Shank, Right-Hand Rotation by CMT is a precision-engineered boring tool designed to drill and countersink in a single pass, saving time on panel processing operations. Built around a tungsten carbide (HW) cutting head bonded to a super-strength steel body, this right-hand rotation drill is optimized for clean, accurate dowel holes with a recessed seat for bolt heads and panel connectors - all without repositioning the workpiece. The PTFE-coated spiral flutes resist pitch and adhesive buildup, keeping the bit cutting cleanly through repeated use in production environments.
Key Features
- HW (Tungsten Carbide) Cutting Head - delivers long-lasting edge retention in abrasive engineered wood panels, reducing regrind frequency and downtime on high-volume boring runs.
- 2 Precision-Ground Cutting Edges (Z2) - balanced cutting geometry produces smooth, consistent bore walls and flat-bottom holes, minimizing tearout in chipboard, MDF, and coated panels.
- 2 Negatively Ground Spurs (V2) - score the material cleanly ahead of the main cutters, preventing surface chipping on laminates and coated panel faces where finish quality matters most.
- Integrated Countersink - drills and countersinks in one operation, creating a clean recess for bolt heads or panel connectors without a second tool change or setup step.
- PTFE-Coated Spiral Flutes - the orange or black non-stick coating on the spiral portion resists pitch and glue deposits, extending tool life and maintaining chip evacuation performance across long production runs.
- Precision-Balanced Centre Point - ensures accurate hole positioning at entry, reducing drift and improving repeat-location accuracy on CNC boring centers and multi-spindle machines.
- Parallel Shank with Driving Flat and Length Adjusting Screw - provides a secure, slip-resistant grip in machine chucks or boring heads, with convenient depth-setting adjustment built in.
- 10mm Diameter / 15mm Cutting Height / 70mm Total Length - compact long-series geometry fits standard boring head configurations while reaching adequate depth for dowel and connector applications in thicker panel stock.
- Right-Hand Rotation (RH) - matches the standard spindle direction on the majority of CNC boring centers and multi-spindle panel processing machines.
Why This Product
- One-Pass Drilling and Countersinking - because the countersink is integrated into the bit geometry, panel processors can complete the bore and the recess seat in a single plunge, cutting cycle time and eliminating a separate countersinking operation on chipboard, MDF, and laminated panels.
- Production-Ready Durability - the HW carbide head combined with PTFE spiral coating means the tool maintains sharp, clean-cutting performance even when boring adhesive-coated or resin-impregnated sheet goods where standard steel bits would gum up quickly.
- Clean Results on Coated and Laminated Surfaces - the negatively ground spurs score the surface cleanly before the main cutters advance, which is critical when boring through high-pressure laminate or coated panel faces where chipping is unacceptable.
- Secure, Adjustable Machine Fit - the parallel shank with driving flat and length adjusting screw gives operators a reliable, repeatable depth setting in CNC boring centers and multi-spindle boring machines, reducing setup variation from one run to the next.
Specifications
- Manufacturer Part Number: 377.101.11
- Brand: CMT Orange Tools
- Diameter: 10mm
- Cutting Height: 15mm
- Total Length: 70mm
- Shank: 10x38mm
- Rotation: Right-Hand (RH)
- Number of Cutting Edges: 2 (Z2)
- Number of Spurs: 2 (V2)
- Spur Sharpening: Negatively ground spurs
- Blade Material: HW (Tungsten Carbide)
- Tool Type: Dowel Drill with Countersink
Approved Applications
- Dowel hole drilling and countersinking in a single pass
- Bolt head and panel connector recessing
- Panel processing - chipboard, MDF, HDF, plywood, and laminates
- Coated and laminated panel boring where surface quality is critical
- Hardwood and softwood dowel joint production
- Thicker panel stock requiring both a bore and a recessed seat
Frequently Asked Questions
What is the purpose of the integrated countersink on this dowel drill?
The countersink creates a clean recessed seat for bolt heads or panel connectors in the same plunge that drills the dowel hole. This eliminates the need for a separate countersinking tool or operation, saving time in panel processing workflows on chipboard, MDF, and similar sheet goods.
What does "negatively ground spurs" mean and why does it matter for panel work?
Negatively ground spurs are configured to score the panel surface cleanly ahead of the main cutting edges. This pre-scoring action severs the surface fibers before the body of the drill advances, which significantly reduces chipping and tearout - particularly important when boring through laminates, coated panels, or high-pressure decorative surfaces where a clean entry is required.
What machines is this dowel drill compatible with?
This bit is designed for multi-spindle CNC boring machines, CNC boring centers, panel processing centers, and boring machines equipped with an adapter or chuck that accepts a 10x38mm parallel shank. The driving flat and length adjusting screw on the shank provide secure engagement and repeatable depth settings in these machine types.
What is the PTFE coating on the spiral flutes and what does it do?
The spiral portion of the bit is coated with PTFE (polytetrafluoroethylene) in either orange or black. This non-stick coating prevents pitch, glue, and resin from adhering to the flutes during boring operations. By keeping the flutes clear, it maintains efficient chip evacuation and helps preserve cutting performance over extended production runs - especially when working with adhesive-coated or resin-bonded panel materials.
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