DTH Hammer Bit 23

Drilling Hole Diameter	Bit Diameter		Bit Type			Connection			Typical Compatible Drill Rod	Working Condition
Drilling Hole Diameter	Mm	Inch	Chisel Bit	Cross Bit	Button Bit	Tapered	Threaded	Splined connection	Typical Compatible Drill Rod	Working Condition
	20mm-44mm	7.9-17.3 inch	√	√	√	√	√		B12、B15、B22、R(T)25、R(T)32、R(T)38 etc.	Quarrying, Mining
	44mm-55mm	17.5- 21.6 inch	√	√	√	√	√		B12、B15、B22、R(T)25、R(T)32、R(T)38、R(T)42 etc.	Quarrying, Mining,Blast Furnace.
	55mm-76mm	21.6-29.5 inch		√	√		√		R(T)25、R(T)32、R(T)38、R(T)42 etc.	Mining,Blast Furnace.
	76mm-90mm	29.9-35.4 inch		√	√		√		R(T)25、R(T)32、R(T)38、R(T)42 etc.	Mining,Blast Furnace.
	90mm-109mm	35.4-43 inch		√	√		√	√	R(T)25、R(T)32、R(T)38、R(T)42 etc.	Mining,Blast Furnace.
	109mm-165mm	42.9-65 inch			√		√	√		Down-the-hole Drill