R28 THREAD BUTTON BIT

1.Suitable to all the drilling ground
2.YK05 buttons can be similar T6 buttons, longer working life
3.Supply drilling solution to customers and checked tools plans
4.Replaced Atlas and Sandvik & Robit Bits
5.Completely after sales service

Description
Inquiry

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.

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.

Skirt Shape	Straight (Normal)	Retract
Bit Diameter	35~152mm	45~127mm
	(1 3/8 ~ 6")	(1 25/32" ~ 5")
Thread	R22, R25, R28, R32, R35, R38, T38, T45, T51, T60, ST58, ST68.	R25, R28, R32, R35, R38, T38, T45, T51, T60, ST58, ST68.
Face Design	Flat, Convex or Drop Center;	Flat, Convex or Drop Center;