3

3" 4" 5" 6" 8" DTH Air Drill Hammer

DTH hammers series we supply
A) High pressure series
B) Medium pressure series
C) Low pressure series
D) Reverse circulation series
2) Outside diameters: 61.2~275mm
3) Drilling diameter: 68~508mm
4) Application:DTH hammers are widely used for mine, quarry, road construction for the drilling and blasting work, water well drilling, slope protection, anchoring, etc.

Description
Inquiry

Jinzen DTH hammer and bits are made of high quality alloy steel with advanced heat treatment to assure the good drilling performance and long service life. All the rock drilling tools are manufactured as per the international standard and well compatible with the brand of Atlas Copco, Ingersoll-Rand, Sandvik etc. These rock drill tools not only have a superior penetration rate compared to their competitors, but also a substantially longer service life – up to 30% longer.

Normal Specifications

Type	Model	Length (mm)	Weight (kg)	External Dia.(mm)	Hole Range (mm)
3.5 inch	DHD3.5	930	25	Φ82	Φ90-110
4 inch	DHD340	1030	39	Φ99	Φ110-135
	SD4	1084	40.5	Φ99
	QL4	1097	41	Φ99
	Mission40	1005	40	Φ99
5 inch	DHD350	1214	76.5	Φ125	Φ135-155
	SD5	1175	72.5	Φ125
	QL5	1147	73	Φ125
	Mission50	1110	68.5	Φ125
6 inch	DHD360	1248	100	Φ142	Φ155-190
	SD6	1261	100	Φ142
	QL6	1212	95	Φ146
	Mission60	1161	90	Φ146
8 inch	D85	1492	188	Φ180	Φ195-254
	SD8	1463	192	Φ180
	QL8	1465	182	Φ180
	Mission80	1338	176	Φ180
10 inch	SD10	1502	290	Φ226	Φ254-311
10 inch	NUMA100	1510	288	Φ226	Φ254-311
12 inch	DHD1120	All can be designed according to customers' requests
	Numa120
	Numa 125

Application

All our products, which passed ISO9001 quality management system, are widely used in open pit mining, tunneling, quarrying,transportation construction,engineering, earth-rock excavation, water wells, pile foundation, and civil engineering project etc.We are one of the companies which have the most complete product lines, the most abundant species and the most widely usedproducts in drilling industry.