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DTH Products

DTH Bit

DTH bit is also called DTH drill bit, which is connected with the impactor through the spline of the drill bit body to guide and transmit rotation for the impact. The drill bit and the impactor dive into the hole to break the rock. DTH bits include high wind pressure DTH bits, medium and low wind pressure DTH bits, which are mainly used for large-scale open-pit mines, underground ore mining, anchoring engineering, quarrying and rock drilling, construction engineering rock drilling and large-scale engineering construction.

High wind pressure DHT bit
Diameter	φ90-φ203mm
Shank series	DHD340A DHD350R DHD350Q DHD360 QL60 RH500
Head design	Convex, concave, plane
Tooth type	Spherical gears, spring tooth

Medium and low wind pressure DTH bit
Diameter	φ90-φ203mm
Impactor specifications	DHD3.5 CIR90 BR33 CIR100 BA-47
Head design	Convex, concave, plane
Tooth type	Spherical gears, spring tooth, bevel gears

DTH column tooth
LHS product model	Diameter(mm)	Edge teeth quantity and specification	Face gear quantity and specification	Edge teeth inclination	Number and diameter of hydathode	Spline size	Key width(mm)	Drill bit shank
ZQ105D2-50B1	105	6*φ14mm	6*φ14mm	45°	-	-	-	BA-47
DZQ90D10-546B1	90	6*φ14mm	2φ14mm+2φ12mm	45°	2*φ16mm	8*φ47.5mm	11	CIR90
ZQ90D-537B2	90	6*φ12mm	7*φ10mm	45°	2*φ13mm	7*φ53mm	10.3	BR33
DZQ110D8-604B1	110	6*φ14mm	4φ12mm+3φ12mm	45°	2*φ18mm	4*φ60mm	20	CR100
GZQT115E1-648	115	7*φ16mm	4φ14mm+2φ14mm	40°	2*φ18mm	8*φ64mm	12.2	DHD340
GZQ115F-6812	115	8*φ14mm	6*φ14mm	40°	2*φ16mm	12*φ67mm	7	RH500(4inch)
GZQA170H1-10212	170	7*φ16mm	6*φ14mm	40°	2*φ18mm	8*φ64mm	9.5	QL60
GZQ140F-888	140	8*φ16mm	8*φ14mm	40°	2*φ22mm	8*φ87.4mm	13.76	DHD350

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Telephone:0086-429-4428053 0086-429-4428052

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