This KT40-SBPR small-bore boring tool is constructed from premium solid tungsten carbide with high-performance KT40 wear-resistant coating. Featuring a 0.1mm nose radius and multiple shank specifications, it is tailored for high-precision boring of ultra-small inner holes on CNC lathes and Swiss-type lathes.
Precision-ground cutting edges combined with optimized anti-vibration structure ensure stable chatter-free machining in narrow bores. The KT40 coating significantly improves wear resistance, delivering accurate bore dimensions, excellent surface finish and consistent quality for steel and stainless steel workpieces.
Its high-rigidity integral tungsten carbide shank guarantees reliable performance in deep small-bore boring operations. Extended tool service life reduces tool-change frequency and downtime, effectively lowering overall tooling costs and improving mass production efficiency.
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.
We always provide samples before mass production; We always conduct a final inspection and take photos for customer confirmation before shipment;
Boiling cutters, milling cutters, CNC inserts, grooving inserts, reamers, tool holders, tool sleeves, and other industrial machinery and equipment.
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.
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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