High Air Pressure DTH Hammer Bits DHD 350-146mm Drill Bits for Water Well Drilling & Mining

• Customization: Available
• Customized: Customized
• Standard: DIN, JIS, AISI, API
• Model NO.: DHD350
• 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: 6 inch
• Trademark: Qideli
• Origin: Fujian, China
• HS Code: 8207199000
• Production Capacity: 5000 Per Month

Product Description

Product Description













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.