BEYOND TCMT Boring Bars – Internal Turning Toolholder Series

The BEYOND TC INSERT boring bar series is engineered for high-precision internal turning and boring operations using TCMT positive carbide inserts. This series covers STFCR/L, STUCR/L, and STWCR/L toolholders, designed according to ISO standards for CNC lathes and turning centers. These boring bars offer excellent rigidity, stable insert clamping, and smooth cutting performance across a wide range of materials.

Included Toolholder Types

• STFCR / STFCL – Compact screw-clamp boring bars for precision finishing.
• STUCR / STUCL – Universal internal turning bars for profiling and facing.
• STWCR / STWCL – Reinforced boring bars for stable and consistent cutting.

Key Features & Advantages

• Compatible with standard TCMT positive inserts.
• Positive rake geometry for low cutting forces.
• High-rigidity alloy steel shank reduces vibration.
• Excellent surface finish in internal turning operations.
• Available in right-hand and left-hand versions.
• Ideal for finishing and semi-finishing.

Typical Applications

• Internal turning and boring
• Internal profiling
• Facing inside bores
• Precision machining of small to medium holes

TCMT Insert Compatibility

• TCMT090204 / TCMT090208
• TCMT110202 / TCMT110204 / TCMT110208
• TCMT16T304 / TCMT16T308

Technical Specifications

STFCR / STFCL – Screw Clamp Type

STUCR / STUCL – Universal Internal Turning Type

STWCR / STWCL – Reinforced Boring Bar Type

SEO Keywords & Long-Tail Search Terms

• TCMT boring bar
• Internal turning toolholder for TCMT inserts
• STFCR STFCL TCMT boring bar
• STUCR STUCL CNC internal turning tool
• STWCR STWCL TCMT boring bar holder
• TCMT internal turning tool for CNC lathe
• Positive rake boring bar for steel and stainless steel

Why Choose BEYOND?

BEYOND specializes in CNC cutting tool solutions, delivering ISO-compliant boring bars with consistent quality, strict dimensional control, and reliable machining performance. Our TCMT boring bars are trusted by global manufacturers, distributors, and machine shops.

Supply & Technical Support

BEYOND provides worldwide shipping, OEM/ODM support, bulk supply capability, and professional technical assistance for internal turning applications.