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Factory Price 121 -131mm Dia SD4 DTH Hammer Bits for Mining

Model NO.
SD4
Material
Alloy Steel
Usage
Quarry, Waterwell Drilling
Color
OEM
Transport Package
Wooden Box
Specification
OEM
Trademark
Wontech
Origin
Changsha, Hunan, China
HS Code
8207130000
Production Capacity
20000piece/Years
Reference Price
$ 156.60 - 173.70
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Product Description

Diameter
Flushing holes
Splines
No.×Button Diameter(mm)
Bit Shank Length(mm)
Weight
mm
inch
Gauge
Front
Kg
Ib
φ105
4 1/8
2
8
7×φ14
6×φ13
260
8.3
18.3
φ110
4 3/8
2
8
7×φ14
6×φ13
                        260
8.7
19.2
φ115
4 1/2
2
8
7×φ16
6×φ14
                        260
9
19.8
φ120
4 3/4
2
8
7×φ16
7×φ14
260
9.3
20.5
φ127
5
2
8
8×φ16
7×φ14
260
9.7
21.4

     Changsha Wontech Engineering Machinery Co. LTD, located in Railway Station Road,Ningxiang National Economic Development Zone, Changsha, Hunan, is a high-tech private enterprise, providing complete one-stop service covering product designing, manufacturing, trading and after-sale service.The products include high-air pressure down-the-hole hammers and bits, top hammer tools, shank adapters, couplings, and overburden casing bits. Wontech boasts a team of excellent experts dedicating to designing drilling tools, and also a team of outstanding sales. In the past five years, Wontech has gradually strengthened its brand advantages featured by preeminent talents and its key heating technology.The company embraces the enterprise spirit of "Being Practical, Careful, Honest and Safe " sticks the to concept of development of "Quality Wins Customers, Credibility Creates Benefit , and devoted to providing DTH drilling solutions to our customers with first class products, outstanding credibility and meritorious service.

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.

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