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Cobalt-containing Type B Spot Drill Stainless Steel Special Hardened Bright Uncoated Positioning B1.5 2 2.5 3 4 5 6 for

Cobalt-containing Type B Spot Drill Stainless Steel Special Hardened Bright Uncoated Positioning B1.5 2 2.5 3 4 5 6 for

Product Selling Points

These Type B center drills feature cobalt-alloyed high-speed steel construction with titanium nitride coating and fully ground finish. Available in specifications from B1.5 to B6, they are purpose-built for stainless steel and hardened spring steel, fitting drill presses and CNC equipment.

The cobalt-reinforced substrate and titanium coating deliver outstanding hardness and wear resistance for demanding machining. Precision fully ground edges guarantee precise centering, clean burr-free hole openings and stable dimensional accuracy in continuous production.

Designed for pre-drilling centering and positioning of metal components, they provide exceptional durability even under heavy workloads. They extend service life significantly, cut tooling costs and effectively boost overall machining productivity.

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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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