7 1/2 Inch 190.5mm TCI Tricone Bit/Roller Cone Bit/Rock Drilling Bit

• Customized: Customized
• Standard: API
• Type: Center Drill Bit
• Model NO.: YHA 7 1/2-437G
• Material: Tungsten Carbide
• Usage: Well Drilling, Geothermal Drilling
• Bearing Type: Rubber Sealed Jounal Bearing
• Shirttail Protection: Hardmetal and Ovoid Insert
• Package: Plywood Box
• Transport Package: Ply Wooden Box
• Specification: 31.5KG
• Trademark: YINHAI
• Origin: Cangzhou City, Hebei Province, China
• HS Code: 8207199000

Product Description

Our Advantages

- Bearing polishing process after finish turning, improve bearing performance
- Dynamic lubrication system
- Professional & stable heat treatment, High quality control
- Welding process, more wear-resistant
-Produce strictly in accordance with API standards
- Special materials of Tricone bits
-Fast delivery & Best factory price

YINHAI OVERVIEW YHA 7 1/2-437G

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FAQ:
1.Q:What kind of packing do you have?
A: Wooden case free of fumigation;cartons;packing can be customized.


2.Q:What is your price advantage?
  A:We are 100% factory directly sales,API production process guarantee,Provide customized services for brand processing.
    Reduce the cost of drilling for you, worry free after-sales service.Welcome to book a video-call to inspect YINHAI factory.