Solid Carbide Micro Boring Bar – High-Precision Small-Diameter Machining Tools

Our Solid Carbide Micro Boring Bars are engineered for high-precision machining of small parts, delivering excellent wear resistance, extended tool life, and consistent dimensional accuracy. Made from high-performance HM-grade tungsten carbide and coated with premium wear-resistant layers, these tools can achieve up to 30% longer service life compared to standard boring bars—helping you save production costs without compromising quality.

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Product Details

Key Features

  • High-Performance HM-Grade Carbide – Exceptional strength and wear resistance for extended durability.
  • Premium Coating – Provides 30% better wear resistance for longer tool life.
  • Precision Machining – Optimized for boring small parts with stable dimensional accuracy.
  • No Tool Setting Required – Ensures repeatability and ease of use.
  • Custom Solutions Available – Tailored boring bars for unique applications.

Specifications

  • Models: MTR, MGR, MFR, MKR, etc.
  • Material: Tungsten carbide alloy
  • Usage: Inner grooving, turning, threading
  • Minimum Boring Diameter: 0.7 mm
  • Measurement System: Metric

Model Name Meaning – Side-Fixed Small-Diameter Boring Tools

MTR – General Purpose Boring Bars

MPR – Profiling Boring Bars

MXR – Back Turning Bars

MUR – Profiling & 90° Face Cutting Bars

MQR – Profiling Boring Bars

MGR – Internal Grooving Bars

MKR – Full Radius Grooving Bars

MFR – Internal Face Grooving Bars


Advantages

  • Longer tool life for demanding applications
  • Available in high-precision grades for critical tolerance requirements
  • Compatible with SHB reducing sleeves and other accessories
  • Designed for repeatable accuracy in CNC and manual setups

Applications

  • Precision boring for micro-sized holes
  • Machining of small automotive, aerospace, and electronic components
  • Internal grooving, face grooving, and threading in small-diameter workpieces

Why Choose Our Micro Boring Bars

  • Advanced carbide grades for longer life
  • High-quality coating technology for superior wear resistance
  • Full range of sizes and profiles to match your exact needs
  • Technical support for tool selection and process optimization

Beyond Tools to True Partnership

We stand by our clients at every stage, delivering not just tools, but complete manufacturing solutions.

Where Precision Meets Innovation

Our core strengths make us the preferred partner for global manufacturers seeking precision tooling solutions.

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