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low,medium,high air pressure DTH hammers/down the hole hammers

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Address: No.2 Hongye road,Qingbaijiang district,Chengdu,Sichuan,China

Phone: 86-189-08020968

Contact name:Jack Zhang

City & Province	Chengdu Sichuan

Inch	Length (Less Bit)	Weight (Less Bit)	External Diameter	Bit Shank	Hole Range	Connection Tread
2"	872mm	16kg	Φ71mm	HD25	Φ76-Φ90	T42101.5
3"	888mm	25kg	Φ82mm	IR3.5	Φ90-Φ115	API 2 3/8" Reg
4"	1011mm	43.2kg	Φ99mm	COP44 DHD340	Φ110-Φ135	API 2 3/8" Reg
	986mm	37kg	Φ92mm	COP44 DHD340	Φ105-Φ120
	1012mm	40kg	Φ99mm	SD4	Φ110-Φ135
	1070mm	40kg	Φ99mm	QL40	Φ110-Φ135
	1005mm	40kg	Φ99mm	MISSION 40	Φ110-Φ135
5"	1110mm	69kg	Φ125mm	COP54 DHD350R	Φ135-Φ155	API 2 3/8" Reg API 3 1/2" Reg
	1110mm	66kg	Φ116mm	COP54 DHD350R	Φ127-Φ145
	1102mm	68kg	Φ125mm	COP55C DHD350Q	Φ135-Φ155
	1090mm	70kg	Φ125mm	SD5	Φ135-Φ155
	1090mm	67kg	Φ125mm	QL50	Φ135-Φ155
	1110mm	68.5kg	Φ125mm	MISSION 50	Φ135-Φ155
6"	1238mm	98kg	Φ142mm	COP64 DHD360	Φ155-Φ203	API 3 1/2" Reg
	1182mm	90kg	Φ146mm	SD6	Φ155-Φ203
	1183mm	92kg	Φ146mm	QL60	Φ155-Φ203
	1161mm	90kg	Φ146mm	MISSION 60	Φ155-Φ203
7"	1258mm	120kg	Φ165mm	COP64 DHD360	Φ175-Φ216	API 3 1/2" Reg
8"	1359mm	175kg	Φ180mm	COP84 DHD380	Φ195-Φ254	API 4 1/2" Reg
	1330mm	174kg	Φ180mm	SD8	Φ195-Φ254
	1330mm	171kg	Φ180mm	QL80	Φ195-Φ254
	1338mm	176kg	Φ180mm	MISSION 80	Φ195-Φ254
	1340mm	203kg	Φ203mm	QL80	Φ216-Φ254
10"	1525mm	316kg	Φ226mm	SD10	Φ254-Φ311	API 6 5/8" Reg
10"	1545mm	305kg	Φ226mm	NUMA100	Φ254-Φ311	API 6 5/8" Reg
12"	1880mm	474kg	Φ275mm	DHD1120	Φ305-Φ445	API 6 5/8" Reg
	1860mm	480kg	Φ275mm	SD12	Φ305-Φ445
	1880mm	475kg	Φ275mm	NUMA120	Φ305-Φ445
	1880mm	470kg	Φ275mm	NUMA125	Φ305-Φ445

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