Thread Button bit is well known for its high wear resistance on medium-hard to hard abrasive rock formations (between 200 Mpa to 260 Mpa compressive strength). Featuring spherical tungsten carbide inserts that is known to have strong configuration against carbide fracture.

We can also do according to customers' drawing or sample, no matter what kinds of rock- Soft rock, loose-medium rock, hard rock and any other special formations, 

just tell us what you need and leave others at our disposal.

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. Moreover, they are produced from premium steels and fitted with tips made from high quality tungsten carbide for superior penetration while maintaining high cleaning action at the face of the bit, to ensure maximum service life and impact strength. In addition, we have available full range of skirt shapes, front designs and cutting structures configuration for various rock formation as well as different penetration need.