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Changsha Sollroc Engineering Equipments Co., ltd

City:changsha

Province/State:hunan

Country/Region:china

Contact Person:MrShi

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China Mining and well Drilling Blasting Hole Drilling High Air Pressure DTH Bit 64mm To 811mm wholesale

Mining and well Drilling Blasting Hole Drilling High Air Pressure DTH Bit 64mm To 811mm

Name: Mining and well Drilling Blasting Hole Drilling High Air Pressure DTH Bit 64mm To 811mm
Brand: SOLLROC
Price: 500 USD

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Brand Name :SOLLROC

Model Number :DHD,SD,QL,MISSION,NUMA, COP

Certification :ISO:9001,SGS

Place of Origin :Changsha,Hunan,China

MOQ :1 PC

Price :500usd-10000USD

Payment Terms :T/T,L/C

Supply Ability :10000pcs/month

Delivery Time :15-20 DAYS

Packaging Details :Wooden carton

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Features:

Valveless air distribution. More reliable.
Simple design of the piston. Long life.
More efficient energy transfer, fact drilling speed, lower air consumption and lower oil consumption.
Fewer internal parts, simple structure, long life, less failure and easier to maintain because all the parts are heat treated.
Easy to disassemble because the top sub, the drive chuck and the external cylinder are connected by multi-step thread.

Hammers	Bit Shank	Connection Thread	Suitable bit	Working pressure	Air consumption

2"	BR2	RD50 box	￠70-￠90mm	0.7-1.75Mpa	0.7Mpa	4.5m3/min
					1.0Mpa	4m3/min
					1.4Mpa	5m3/min
3"	DHD3.5 COP32/COP34 M30	API 2 3/8"Reg	￠90-￠110mm	1.0-1.5Mpa	1.0Mpa	4.5m3/min
					1.5Mpa	9m3/min
4"	DHD340 COP44 QL40 SD4 M40	API 2 3/8"Reg	￠110-￠135mm	1.0-2.5Mpa	1.0Mpa	6m3/min
					1.8Mpa	10m3/min
					2.4Mpa	15m3/min
5"	DHD350 COP54 QL50 SD5 M50	API 2 3/8"Reg/API 3 1/2"Reg	￠135-￠155mm	1.0-2.5Mpa	1.0Mpa	9m3/min
					1.8Mpa	15m3/min
					2.4Mpa	23m3/min
6"	DHD360 COP64 QL60 SD6 M60	API 3 1/2"Reg	￠155-￠190mm	1.0-2.5Mpa	1.0Mpa	10m3/min
					1.8Mpa	20m3/min
					2.4Mpa	28.5m3/min
8"	DHD380 COP84 QL80 SD8	API 4 1/2"Reg	￠195-￠254mm	1.0-2.5Mpa	1.0Mpa	15m3/min
					1.8Mpa	26m3/min
					2.4Mpa	34m3/min
10"	SD10 Numa100	API 6 5/8"Reg	￠254-￠311mm	1.0-2.5Mpa	1.0Mpa	22m3/min
					1.8Mpa	40m3/min
					2.4Mpa	55m3/min
12"	DHD1120 SD12 Numa120	API 6 5/8"Reg	￠305-￠445mm	1.0-2.5Mpa	1.0Mpa	30m3/min
					1.8Mpa	56m3/min
					2.4Mpa	78m3/min