MFR/MFL Carbide Small Hole Boring Bar Set - TIN Coated Micro Boring Tools for Internal Facing & Grooving

Introduction:

A carbide internal ID micro custom grooving tool for small hole boring is a precision-engineered cutting tool designed for creating intricate grooves, undercuts, or channels inside tiny bores (typically Ø0.5–5mm) with extreme accuracy. These tools combine grooving and boring capabilities in one rigid carbide body for complex internal machining.

Features:

1. Dual-Function Set:

• MFR type for precision internal facing

• MFL type for accurate groove cutting

• Covers 90% of small bore machining needs

2. Advanced Material Technology:

• High-grade carbide substrate for maximum rigidity

• Micro-grain structure enhances edge strength

• TIN coating increases wear resistance (up to 30% longer tool life)

3. Precision Engineering:

• Tight tolerance (±0.005mm) for high-accuracy work

• Optimized tool geometry reduces vibration

• Special edge preparation for better surface finish

4. Space-Saving Design:

• Compact head design for small diameter applications

• Minimal overhang reduces deflection

• Suitable for bores from 3mm diameter

Critical Design Advantages

✔ 40% faster machining than conventional HSS tools
✔ 3x longer tool life compared to uncoated versions
✔ Excellent chip control in confined spaces
✔ Reduced setup time with interchangeable tools

Package Includes:

• 1 × MFR facing boring bar

• 1 × MFL grooving cutter

• Protective storage case

• Technical specification sheet

Quality Assurance:

• 100% pre-shipment inspection

• CE compliant

• 12-month quality guarantee

• OEM customization available

Detailed Pictures:

Our workshop:

Our Advantages:

1.Advanced grinding machines: All of our grinding machines are WALTER and SAACKE brands.

2. Advanced inspection machines: We have ZOLLER, OMEGA, PG1000, etc. For inspecting each carbide tools.

3.Highly skilled design team: We are specialized in producing complicated customized carbide tools and we can design the carbide tools according to the work pieces.

4.Fast feedback: We offer 24 hours online service

5.Strict quality control system:
We strictly adhere to a three-stage inspection process for each tool:
Raw material inspection
Semi-finished product inspection after production
Final inspection after coating (pre-shipment check)

Other products:

CHANGZHOU AMG PRECISION TOOL MANUFACTURING CO., LTD. is a leading manufacturer and solution provider specializing in high-performance carbide cutting tools for precision CNC machining applications. With a strong commitment to innovation and quality, we design and produce an extensive range of standard and custom cutting tools, including carbide drill bits, end mills, reamers, and complex non-standard forming tools tailored to meet the most demanding machining challenges.