ST58 THREAD BUTTON BIT

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ST58 RETRAC BUTTON BITS

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Premium designs and steel and premium tungsten carbide insert grade T6 supplied by Boart Long year, Offers industry-leading strength and penetration rates for more productivity Excellent straightness and hole clean quality, Get max. Drilling performance for rock drill.

Compared with the oversea brands, our features are bellowing:

A. Our products can match over 95% against the original products

B. Price are competitive against the famous brands and best quality against the small factory

All STAROCKDRILL’S Thread button bits are computer aided designed and engineered, CNC manufactured and multiple heat-treated,

to extend the product life for maximum wear and performance in the toughest of drilling conditions.

The combination of good design, excellent manufacturing techniques, exact heat treatments, high quality steels and special grade carbides,

STAROCKDRILL yield optimum drill bits capable of performing well in all kind of drilling conditions from soft to the toughest.