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DTH rock hammer, 1.Fast drilling speed, low air consumption, 2. Straightness and hole quality, 3. High penetration rate - details see: https://www.machineto.com/high-drilling-penetration-dth-rock-hammer-10317676

Rock hammer

With year of experience, Zhongrui can produce the best quality dth rock hammer, dth bit in China, Now we can supply 3"-8" rock hammer and 4"-8" quick rock hammer. Due to the high drilling rate and long service life, now Zhongrui DTH rock hammer, DTH bits are using more and more, their suceessful use in larger mining site shows Zhongrui DTH rock hammer and DTH bits an ideal choice.

No.	Model	Outside diameter		Length (without bit)	Weight (without bit)	Working pressure	Impact frequency	Air consmption	Thread connection	Match bit
		mm	inch	mm	kg	Mpa	hz	m3/min		mm
1	ZRC80Z	81	3	869	23	0.7-1.4	16-18	6-10	T48*10	90-110
2	ZRC100G	99	4	1046	42	1.0-2.5	27 (at 1.7Mpa)	6-15	API(2 3/8)" REG	110-135
3	ZRC100G-A	99	4	985	38	1.0-2.5	30 (at 1.7Mpa)	6-14	API(2 3/8)" REG	110-135
4	ZRC130G	125	5	1226	75	1.0-2.5	25 (at 1.7Mpa)	9-23	API(2 3/8)" REG	135-155
5	ZRC130G	125	5	1226	76	1.0-2.5	25 (at 1.7Mpa)	9-23	API(2 3/8)" IF	135-155
6	ZRC130G	125	5	1226	78	1.0-2.5	25 (at 1.7Mpa)	9-23	API(3 1/2)" REG	135-155
7	ZRC130G-A	126	5	1105	67	1.0-2.5	28 (at 1.7Mpa)	7-19	API(2 3/8)" REG	135-155
8	ZRC130G-A	126	5	1105	68	1.0-2.5	28 (at 1.7Mpa)	7-19	API(2 3/8)" IF	135-155
9	ZRC130G-A	126	5	1120	70	1.0-2.5	28 (at 1.7Mpa)	7-19	API(3 1/2)" REG	135-155
10	ZRC150G	136	6	1392	105	1.0-2.5	23 (at 1.7Mpa)	10-28	API(3 1/2" REG	152-203
11	ZRC150G	136	6	1376	105	1.0-2.5	23 (at 1.7Mpa)	10-28	API(2 3/8)" IF	152-203
12	ZRC150G-A	143	6	1238	100	1.0-2.5	25 (at 1.7Mpa)	9-26	API(3 1/2)" REG	152-203
13	ZRC180G	181	8	1545	205	1.0-2.5	20 (at 1.7Mpa)	15-34	API(4 1/2)" REG	195-254