Complete BT Taper Range Available:

• BT30 Milling Chuck – Compact precision for high-speed applications
• BT40 Milling Chuck – Industry-standard versatility for most CNC operations
• BT50 Milling Chuck – Heavy-duty performance for demanding manufacturing

Comprehensive Diameter & Length Options:

Our extensive inventory covers bore diameters from 3mm to 50mm with multiple gauge lengths (63mm, 90mm, 105mm, 160mm), ensuring perfect compatibility with your complete range of straight-shank tools.

Superior Performance Features:

Maximum Clamping Power

• Precision collet-style mechanism for uniform tool grip
• 360-degree clamping force around entire circumference
• Anti-slip design prevents tool pullout during heavy cuts
• Excellent concentricity for superior surface finishes
• Extended tool life through optimal grip distribution

Exceptional Cost Savings

As Turkey’s premier manufacturer, we deliver premium MAS 403 quality at up to 50% lower cost compared to Japanese and European competitors, maximizing your tooling ROI.

Immediate Stock Availability

• Zero lead times – comprehensive ready inventory
• 24-hour dispatch for standard configurations worldwide
• No minimum order requirements – complete flexibility
• Emergency stock service for urgent production needs
• Consistent supply partnership for long-term reliability

Technical Excellence:

Manufacturing Standards

• MAS 403 certified (JIS B 6339 / DIN ISO 7388-2 compliant)
• Forged alloy steel construction for maximum durability
• Case-hardened surface to 58-60 HRC for wear resistance
• Core tensile strength minimum 950 N/mm²
• Precision ground finish to ±0.001mm tolerances

Advanced Design Features

• Through-spindle coolant (TSC) ready design
• High-speed capability up to 15,000-25,000 RPM
• G6.3 balanced for vibration-free operation at speed
• Optimized pull stud compatibility for secure retention
• Low-distortion heat treatment maintaining perfect concentricity

Quality Assurance

• 100% runout inspection before shipment (≤0.002mm TIR)
• Material traceability certificates included
• Dimensional verification reports available
• CMM inspection documentation provided

Made in Turkey Manufacturing Excellence:

Advanced Manufacturing – Latest CNC production technology
Precision Engineering – Expert toolmaking professionals
⚡ Quality Control – 100% inspection protocols
ISO 9001:2015 Certified – International quality standards
Global Compliance – JIS B 6339 standard adherence
Turkish Advantage – Premium quality, competitive pricing

Applications & Tool Compatibility:

Perfect for securing:

• Straight-shank end mills
• Carbide cutting tools
• HSS milling cutters
• Drill bits and reamers
• Threading tools
• Boring tools
• Custom cutting tools

CNC Machine Compatibility:

• Vertical Machining Centers
• Horizontal CNC Mills
• Multi-axis Machining Centers
• CNC Turning Centers (live tooling)
• All MAS 403 / JIS B 6339 spindles

Competitive Advantages:

Superior Rigidity – Maximum clamping force eliminates tool chatter
Unmatched Value – Turkish manufacturing cost efficiency
⚡ Zero Wait Time – Extensive ready stock inventory
Guaranteed Precision – Sub-micron accuracy standards
Universal Compatibility – Standard MAS 403 interface
Global Support – Worldwide technical assistance
Made in Turkey – Quality craftsmanship, exceptional value

Technical Specifications:

• Clamping Range: 3mm – 50mm diameters
• Gauge Lengths: 63mm, 90mm, 105mm, 160mm available
• Runout Accuracy: ≤0.002mm TIR guaranteed
• Speed Rating: Up to 25,000 RPM (size dependent)
• Coolant: Through-spindle coolant compatible
• Material: Premium alloy steel, case-hardened
• Pull Stud: Standard MAS 403 thread specification
• Balance Grade: G6.3 standard (higher grades available)

Custom Engineering Solutions:

Our technical team provides custom bore sizes, special gauge lengths, modified retention systems, and application-specific designs to meet your unique machining requirements.

Comprehensive Technical Support:

Expert application engineering including tool selection guidance, speed/feed optimization, troubleshooting assistance, and productivity enhancement recommendations.

Stock Program Benefits:

• Immediate availability – no production delays
• Volume discounts – competitive pricing for quantity orders
• Consignment programs – inventory management solutions
• Technical training – application optimization support

Order Today – Experience Turkish Manufacturing Excellence

Join leading manufacturers worldwide who rely on our Made in Turkey BT Milling Chucks for their critical CNC operations. Experience the perfect combination of MAS 403 standard quality, immediate availability, and exceptional value.

Keywords: BT Milling Chuck, MAS 403, JIS B 6339, BT30 BT40 BT50, CNC Tool Holders, Made in Turkey, Precision Milling, DIN ISO 7388-2