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Thread Blade American Straight 11IR 14UN 16 18 20 24 28 32

11IR 14UN 16UN 18UN 20UN 24 28 32UN

These 11IR internal UN thread inserts cover a complete pitch range from 14UN to 32UN with high-performance coated carbide. Designed for American standard straight internal threading, they fit standard CNC threading toolholders with excellent structural stability.

The high-performance coating delivers outstanding wear resistance and smooth chip control when threading various ferrous metals. Precision-polished edges ensure accurate thread form, fine flank surface finish and highly consistent pitch diameter accuracy.

Widely applied for internal UN threading of steel, stainless steel and alloy workpieces on CNC lathes, they feature long service life to reduce tool downtime and effectively improve overall production efficiency.

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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.

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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.

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