5"high air pressure dth bits 1.flat face, concave face and drop center type. 2.Premium quality nickel-alloy steel

5"high air pressure dth bits

1)Design in the form of four categories: face convex type, face planar face concave and face furrow center type.

2)Carbide multi-use shared ball gear, spring-tooth or ball gear and spring-tooth cutter way.

Our DTH Bit can be suitable for many types of DTH Hammer, such as XL, Mission, COP, IR, Mach, Demag, SD, Bulroc, Halco Mach, Digger etc.

  

Parameter

DRILL BIT	BIT,DIA.(mm)	NO.AIR HOLES	GAUGE BUTTONS	FRONT BUTTONS	WEIGHT(kg)
DHD	130	2	8X16	4X14,3X14	15.0
	133	2	8X16	4X14,3X14	150
	140	2	8X16	4X1,4 4X14	16.0
	146	2	8X16	4X14,4X14	18.0
	152	2	8X18	4X16,4X18	20.0
SD5	130	2	8X16	7X14	14.0
	133	2	8X16	7X14	14.0
	140	2	8X16	7X14	15.0
	146	2	8X16	8X14	15.8
	150	2	8X18	8X14	18.0
QL50	130	2	8X16	7X14	14.5
	133	2	8X16	7X14	14.5
	140	2	7X18	7X14	15.5
	146	2	8X16	8X14	15.6
	152	2	8X18	8X14	16.5
M50	130	2	8X16	7X14	13.9
	133	2	8X16	7X14	14.3
	140	2	7X18	8X14	15.0
	146 152	2 2	8X18 8X18	8X14 8X16	16.0 17.1