Now we have 4” dhd340 cop44 ql40 dth hammer for mining water well and stonework for sale, you are lucky to have this chance to buy bulk 4” dhd340 cop44 ql40 dth hammer for mining water well and stonework for metal at competitive price from us.

4" DHD340 COP44 QL40 DTH Hammer for Mining Water Well and Stonework

Product Information

-Name: 4 inch high air pressure DTH hammer for mining water well drilling

-Item Number: KD40N (45A)

-Brand Name: KAIYU

-Material: Carbide steel

-Machine type: Drilling Equipment

-Processing: Forging

-Connect Thread: API 2 3/8” 

-Packaging: Wooden Case

-Delivery: 3-20days

-Certification: ISO9001

-Place of Origin: Taizhou, Zhejiang,China(Mainland)

-Use: Well drilling,

-Application: Used for water well drilling, Granite and marble quarry.

Product Description

We make DTH Hammers in various sizes running from 3 inch to 10 inch. We offer DHD3.5, DHD340A, DHD350R,DHD360,DHD380,COP44,COP54,COP64,COP84 and QL40,QL50,QL60,QL80 hammers. 

DTH hammer is one of our main products.It is durable for being produced with advanced craft-work and good material.

Our 4” DTH hammer has features below: long working life, low air consumption, easy to assemble and dissemble, service and maintain.

They are valve less hammers with optimized air cycle frequency. We also have hammers with valve.

We have heavy duty hammers well at larger depths demanding less air usage, delivering minimum performance loss.

HIGH AIR PRESSURE HAMMERS
Description		3.5" hammer	4" hammer	5" hammer	6" hammer	8" Hammer
Item#		KD35N(35A)	KD40N(45A)	KD50N(55A)	KD60N(65A)	KD80N(85A)
Hammer Length w/o bit(mm)		899	1030	1187	1240	1359
Top Sub Thread		API 2 3/8" REG PIN	API 2 3/8" REG PIN	API 2 3/8" REG PIN	API 3 1/2" REG PIN	API 4 1/2" REG PIN
Outside Diameter (mm)		82	99	126	148	180
Weight (KG)		25	38	66	110	175
Bit (mm)		90-110	115-140	138-165	165-203	195-254
Working Pressure	Bar	12-24	12-24	12-24	12-24	12-24
	Mpa	1.2-2.5	1.2-2.5	1.2-2.5	1.2-2.5	1.2-2.5
Air Consumption	(m³/min)	8-12	8-14	9-19	12-22	15-28
	(CFM)	280-425	280-495	315-670	420-775	530-990
Bit shank		DHD3.5	DHD340A.COP44	DHD350R.COP54	DHD360.COP64	DHD380.COP84