Introduction: ●HJ Series Bit Structure: 1、Journal bearing. Hardfaced head bearing surface. Cone bearing inlaid with friction reducing alloy and then silver-plated. The load capacity and seizure resistance of the bearing is greatly improved. 2、 High wear resistance and excellent cutting ability of the insert bit are given full play by using carbide compacts of high strength and high toughness in combination with optimized compact numbers and rows, the exposure height and special shaped compacts. For steel tooth bit, the tooth surface is hardfaced with new type of wear resistant material and thus extended working life of the cutting structure while maintaining high ROP. 3、HJ series bit uses the most advanced sealing technology in the world, i.e. the metal face seal (MFS). It can perform consistently in high speed drilling applications, and is the ideal tool for drilling directional and horizontal wells. In comparison with conventional rubber O-ring sealed bi
What is TTL? Targeted Trade Leads is a new optional online e-mail service we provide to Wholesale Suppliers on demand. By using this service you can easily send tens, hundreds or even thousands of buy sell offers to importer exporter companies, directly to their Inbox! You can send TTL to Importers Exporters by Industrial Categories.
Step 1: Select country or countries for your targeted buy - sell offers. Step 2: Select industrial category / categories for your import - export demands. Step 3:
View how many companies will receive it based on your selection. Step 4: Enter your offer you wish to email to interested suppliers or buyers. Step 5: Receive confirmation of delivered Targeted Trade Leads by e-mail. Finally Just expect the replies immediately in your mailbox! Even by phone or fax.
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