Home - Tools - Turning - Small Bore Boring Tool - KEUE CNC Overall Arc Groove Knife Internal Grooving MKR 4R0.5 L10 5R0.75 L15 6R1.0 L15 3 Years Warranty

KEUE CNC Overall Arc Groove Knife Internal Grooving MKR 4R0.5 L10 5R0.75 L15 6R1.0 L15 3 Years Warranty

Product Selling Points

This MKR small‑bore internal grooving tool is made of solid tungsten steel with HRC92.6 hardness. It delivers great chipping‑resistance and wear resistance. Suitable for inner holes above 4mm, both left‑hand and right‑hand cutters are in stock to lower tool consumption and boost CNC machining efficiency.

The arc grooving cutter features precision‑formed cutting edges with standard arc radius. It ensures fine surface finish for internal grooves. Optimized for small‑diameter holes, it enables smooth chip removal, avoids workpiece scratching and guarantees accurate dimension for precision part turning operations.

Multiple mainstream specifications are available, including 4R0.5 L10, 5R0.75 L15, 6R1.0 L15. Fast shipment from stock. Ideal for internal undercut and arc relief‑groove machining. Widely adopted by machine shops and CNC operators for reliable daily production tasks.

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FAQ

Q: Who are we?

Our headquarters is located in Zhejiang, China. Starting in 2023, we sold to South Asia (10.00%), Southern Europe (10.00%), Northern Europe (10.00%), Western Europe (10.00%), East Asia (10.00%), Middle East (10.00%), Southeast Asia (10.00%), Eastern Europe (10.00%), South America (10.00%). There are a total number of people in our office.

Q: How do we guarantee quality?

We always provide samples before mass production; We always conduct a final inspection and take photos for customer confirmation before shipment;

Q: What can you buy from us?

Boiling cutters, milling cutters, CNC inserts, grooving inserts, reamers, tool holders, tool sleeves, and other industrial machinery and equipment.

Q: How do we ensure quality?

Q: Why should you buy from us instead of other suppliers?

Wenqiao Sanqiang CNC Tools Co., Ltd., established in 2011, is located in Wenling, Taizhou, China, covering an area of 10 mu (approximately 6,667 square meters). We specialize in high-quality CNC cutting tools, including CNC carbide inserts, carbide end mills, and turning tool fixtures. Our quality speaks for itself, resulting in a high customer repurchase rate and numerous positive reviews.

Q: What services can we provide?

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