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MIR 3A60 Cat40 R0.1 Black High Hardness Carbide Alloy Spiral Flute Internal Thread Boring Tool High Coating Small 5A55 Holes

MIR 3A60 Cat40 R0.1 Black High Hardness Carbide Alloy Spiral Flute Internal Thread Boring Tool High Coating Small 5A55 Holes

Product Selling Points

This MIR 3A60 L10 R0.1 small‑bore internal threading tool is built from solid tungsten carbide with premium black‑high coating. It features 3mm slim rigid shank, 60‑degree thread angle and 10mm cutting depth, for Swiss‑type lathes to machine steel and stainless steel up to HRC50.

Precision‑ground 60° threading edge with ultra‑small R0.1 nose radius delivers precise thread profiles inside extremely narrow inner holes. The black‑high coating reduces cutting friction and resists built‑up edge, ensuring stable accuracy and fine surface finish during long‑term continuous turning.

Ultra‑slim tool shank fits the limited inner space of tiny miniature workpieces perfectly. Excellent wear resistance extends tool service life, lowers tool‑change frequency, and effectively boosts mass‑production efficiency for micro‑thread precision metal components.

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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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