Higher Quality for Hard Rock Water Well Drilling 4′ ′ Cop44 / DHD 340 / Ql 40 Shank From Qideli Supplier

• Customization: Available
• Customized: Customized
• Standard: API
• Model NO.: DHD340
• Length: Taper-length
• Type: Twist Drill Bit
• Material: High Carbon Steel
• Usage: Well Drilling
• After-Sales Service: Online Service
• Warranty: 3 Months
• Surface Treatment: Spray-Paint
• Model No.: DHD
• Transport Package: Standard Export Packing.
• Specification: 8 inch
• Trademark: Qideli
• Origin: Fujian, China
• HS Code: 8207199000
• Production Capacity: 4000 Per Month

Product Description

Product Description

Hammers	Bit Shank	Connection Thread	Suitable bit	Working pressure	Air consumption
1-3" Middle-low pressure DTH hammers	BR1	RD40 box	64-76mm	0.7-1.75Mpa	0.7Mpa	4.5m3/min
	BR2	RD50 box	70-90mm	0.7-1.75Mpa	1.0Mpa	4m3/min
	BR3	API 2 3/8" Reg	90-110mm	0.7-1.75Mpa	1.4Mpa	5m3/min
3" hammers	DHD3.5	API 2 3/8"Reg	90-110mm	1.0-1.5Mpa	1.0Mpa	4.5m3/min
	COP32/COP34
	M30				1.5Mpa	9m3/min
4" hammers	DHD340	API 2 3/8"Reg	105-130mm	1.0-2.5Mpa	1.0Mpa	6m3/min
	COP44
	QL40
	SD4				1.8Mpa	10m3/min
	M40				2.4Mpa	15m3/min
5" hammers	DHD350	API 2 3/8"Reg/API 3 1/2"Reg	130-156mm	1.0-2.5Mpa	1.0Mpa	9m3/min
	COP54
	QL50
	SD5				1.8Mpa	15m3/min
	M50				2.4Mpa	23m3/min
6" hammers	DHD360	API 3 1/2"Reg	152-203mm	1.0-2.5Mpa	1.0Mpa	10m3/min
	COP64
	QL60
	SD6				1.8Mpa	20m3/min
	M60				2.4Mpa	28.5m3/min
8" hammers	DHD380	API 4 1/2"Reg	200-279mm	1.0-2.5Mpa	1.0Mpa	15m3/min
	COP84
	QL80				1.8Mpa	26m3/min
	SD8				2.4Mpa	34m3/min
10" hammers	SD10	API 6 5/8"Reg	254-330mm	1.0-2.5Mpa	1.0Mpa	22m3/min
	NUMA100				1.8Mpa	40m3/min
					2.4Mpa	55m3/min
12" hammers	DHD1120	API 6 5/8"Reg	305-381mm	1.0-2.5Mpa	1.0Mpa	30m3/min
	SD12
	NUMA120				1.8Mpa	56m3/min
	NUMA125				2.4Mpa	78m3/min

A.Quick response in 24 hours when there are any further inquiries, complaints,testing feedback.later order confirmation etc.
B.Online Technical support covering dis-assembly, maintenance, operators training, is always available when customers meet the problems in different applications.
C. Quality warranty. Free replacement is offered as long as the hammer is damaged due to our quality problem which is confirmed by our engineer from customer's precise and on-time feedback.
D.Routine Visit. To get to know more of the precise needs and the applications of our distributors and large end customers and meantime to keep good relationship with them, our overseas sales managers work very hard to pay a visit to our customers at least one time per year E.Tailored services like OEM,ODM, and special requests covering painting color, logo, packing etc., are also available.