BEYOND TNMG Insert Boring Bars for Internal Turning

The BEYOND TN INSERT Boring Bar Series is engineered for heavy-duty and high-stability internal turning operations using industry-standard ISO TNMG carbide inserts. This series covers a wide range of internal boring applications, providing excellent rigidity, vibration control, and reliable performance in CNC lathes and turning centers.

Compatible Insert Type

• ISO Insert: TNMG
• Insert Shape: Trigon (60°)
• Relief Angle: 0° (Negative insert)
• Clamping Method: Screw clamp
• ISO Standard: ISO 5611

Available Toolholder Models

• STWNR / STWNL – Standard internal boring bars
• STUNR / STUNL – Reinforced rigidity type
• STLNR / STLNL – Long reach internal boring bars
• STQNR / STQNL – Heavy-duty internal boring bars
• STFNR / STFNL – Finishing and semi-finishing boring bars

Technical Specifications

Key Features & Advantages

• Negative TNMG insert design for strong cutting edges
• Excellent stability for heavy and interrupted cuts
• Wide model coverage for different boring depths
• Compatible with standard ISO TNMG carbide inserts
• Reduced vibration in deep internal turning

Typical Applications

• Internal roughing and finishing
• Deep-hole boring operations
• CNC lathes and turning centers
• Machining steel, stainless steel, cast iron, and high-strength alloys

Why Choose BEYOND TNMG Boring Bars

BEYOND specializes in professional CNC toolholders and cutting tools for global markets. Our TNMG insert boring bars are manufactured under strict quality control to ensure consistent accuracy, long tool life, and reliable performance in demanding machining environments.

Ordering Information

Please confirm boring diameter, shank size, overall length, and insert grade before ordering. OEM and customized solutions are available upon request.