DESCRIPTION

Product Overview

Maximize your small-hole machining efficiency with the SMF R6-20L-T15 Solid Carbide Micro Boring Bar. This ultra-precise internal turning cutter is engineered with an industrial-grade tungsten carbide substrate, delivering the rigid stability and edge sharpness required for miniature profiling and internal grooving.

Perfectly optimized for high-precision components like fishing gear (reels and spools), medical hardware, and micro-electronics, it ensures exceptional surface finishes even in deeper, narrow bores.

Technical Specifications (SMF R6-20L-T15)

To help you choose the exact fit for your production line, here are the key parameters for this specific model:

Custom Tailored Solution (As Required)

Need a modification for a unique blueprint? We support comprehensive custom manufacturing based on your precise production drawings:

• Custom Profiles: Profiling bars, corner rounding, and specialized chamfering geometries.

• Multi-Functional Ends: Tailored grooving widths, deep face slotting variations, and custom internal thread cutters.

Target Applications & Materials

• Applicable Industries: High-end fishing gear manufacturing, automotive miniature valves, aerospace instruments, and specialized CNC job shops.

• Workpiece Materials: Proven excellence in turning Stainless Steel, Carbon Steel, Die Steel, Aluminum Alloys, Brass, and Copper alloys.

CNC Inserts - Frequently Asked Questions

1. How do I choose the right grade for my specific machining application?

Choosing the correct grade is crucial for tool life and performance. We provide a comprehensive Grade Cross-Reference Chart that maps our CD Carbide grades to major international brands like Sandvik, Mitsubishi, and Kyocera. If you are unsure, simply provide us with the workpiece material (P, M, K, S, H) and machining conditions, and our engineers will recommend the best solution.

2. Can you provide customized CNC tools based on our drawings?

Yes. As a factory-direct manufacturer, we specialize in bespoke engineering. Whether you need non-standard dimensions, specific chipbreakers, or customized coatings for unique alloys, our technical team can develop products based on your technical drawings (PDF/STEP) or physical samples.

3. Do you offer free samples for testing before bulk orders?

We understand that "trial cutting" is the only way to verify tool stability. We offer sample packs for professional buyers to test performance on their own CNC machines. Please contact our sales team with your machine specifications and the material you are processing to request your trial samples.

4. How do you ensure the quality consistency of your carbide inserts?

Our quality control is integrated into every step of the production process in Zhuzhou. We use high-purity tungsten carbide powder and advanced PVD/CVD coating equipment. Each batch undergoes rigorous inspection, including microscopic edge analysis and hardness testing, to ensure that the performance of the 1,000th insert is identical to the 1st.

5. What is the typical lead time for international B2B orders?

For standard models in stock (such as WNMG, CNMG, etc.), we usually ship within 3-5 business days. For customized tools or large-volume OEM orders, the production cycle typically ranges from 2 to 4 weeks, depending on the complexity of the design and coating requirements.

6. Are you a manufacturer or a trading company?

We are a direct manufacturing enterprise based in Zhuzhou, the hunan of China’s tungsten carbide industry. By cutting out the middleman, we provide factory-direct pricing and faster technical support. This allows us to offer more flexible MOQs (Minimum Order Quantities) for small-to-medium-sized distributors and specialized machine shops.