Drifter Button Bits :
Our Drifter Bits are manufactured using high grade raw material, and comply with all requisite industry standards. These are available in two face surfaces and in two shank styles. The details of the threaded button bit shank styles are given below:
Threaded button bit:
Button bit diameter: 38mm to 152mm;
Button bit thread: R22, R25, R28, R32, R35, R38, T38, T45,T51, GT60, ST58, ST68, SR32, SR35;
Button bit face design: flat face, dome face, drop center face.
Retract Shank
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Has more mass
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Used for two main drilling purposes
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Firstly, for guiding & drilling straighter holes
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Secondly, for drilling up & out of the hole when drilling in loose and broken rock formation
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