Product Description
CMT Adapter and Bushing for Twist Drill - 4.5x38mm is a precision-engineered mounting adapter designed to accept CMT twist drills on standard boring machine spindles. Built for woodworking professionals who rely on multi-spindle boring centers and CNC boring machines, this adapter provides a secure, repeatable connection between your boring machine and CMT 364-365 series twist drills. With a 4.5mm bore diameter, a 10x20mm parallel shank with driving flat, and a 1 1/2 in. total length, it delivers the dimensional accuracy needed for production-quality drilling in panel processing and cabinetry applications.
Key Features
- 4.5mm precision bore diameter - fits CMT 364-365 series twist drills with a snug, accurate seat that eliminates wobble and runout during drilling operations
- 10x20mm parallel shank with driving flat - provides a positive rotational lock in standard boring machine spindles, preventing slippage under load
- 1 1/2 in. total length - optimized shank depth keeps the drill positioned correctly relative to the workpiece for consistent hole depth on flat panel materials
- High-quality HWM (hard metal) construction - delivers the durability and dimensional stability required for repeated tool changes in production environments
- Precision-ground design - ensures accurate alignment of the twist drill within the adapter, supporting clean entry and exit holes in chipboard, MDF, hardwood, softwood, plywood, and laminates
- Compatible with CMT 364-365 series twist drills - purpose-built fit means no adapting, shimming, or improvising, reducing setup time on boring centers
Why This Product
- Designed specifically for CMT 364-365 series twist drills, this adapter is a direct-fit solution that eliminates compatibility guesswork when equipping a multi-spindle boring center or CNC boring machine
- The parallel shank with driving flat actively transfers torque to the spindle rather than relying solely on clamping friction, keeping the drill securely indexed even during continuous production runs
- Precision-ground seating surfaces ensure the twist drill runs true inside the adapter, which translates directly to cleaner, on-location holes in panel materials like MDF, chipboard, and laminated boards
- At 1 1/2 in. total length with a 10x20mm shank, this adapter is dimensionally matched to standard boring machine spindles, making it a straightforward drop-in addition to an existing CMT tooling setup
Specifications
- Manufacturer Part Number: 364.045.00
- Brand: CMT Orange Tools
- Description: Adapter and Bushing for Twist Drill 4.5x38mm
- Bore Diameter: 4.5mm
- Total Length: 1 1/2 in.
- Shank: 10x20mm
Approved Applications
- Mounting CMT 364-365 series twist drills on CNC boring machine spindles
- Multi-spindle boring center tooling setups
- Precision drilling in chipboard panels
- Drilling operations in MDF sheets
- Boring through hardwood and softwood components
- Through-hole and blind-hole drilling in plywood and laminated panel materials
Frequently Asked Questions
Which CMT twist drills are compatible with this adapter?
This adapter is designed for use with CMT 364-365 series twist drills. The 4.5mm bore precisely accepts the corresponding 4.5mm shank twist drill from those series, ensuring a secure and accurate fit without modification.
What boring machine spindle size does this adapter fit?
This adapter features a 10x20mm parallel shank with a driving flat, which is sized for standard 10mm boring machine spindles commonly found on CNC boring machines and multi-spindle boring centers.
What is the total usable length of this adapter?
The total length of this adapter is 1 1/2 in. (38mm), which determines how the twist drill is positioned relative to the boring machine spindle and the workpiece surface during operation.
What materials can be drilled when using this adapter with the appropriate CMT twist drill?
When paired with a compatible CMT 364-365 series twist drill, this adapter supports drilling in chipboard, MDF, hardwood, softwood, plywood, and laminated panel materials - covering the full range of sheet goods and solid wood components typical in cabinet and furniture manufacturing.
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