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China, Chinese API-7-1 Standard Inserted Tooth Tricone Bit/Milled Tooth Tricone Bit for Well Drilling1 Industrial Products Supplier Manufacturer Details, price list catalog:
China Industrial Products Supplier Manufacturer List Catalog
Diamond ToolsDiamond Drilling ToolsTricone Rock BitTricone Bit for Well Drilling
HEFEI ROSCHEN TOOL CO., LTD.
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Product Description API Spec.7,Cone Bit for oil well, cone inserts tricone rock bit There are rich and diverse roller bits to meet different requirements of formations and rotary speeds. The sizes of the gage diameter and the types of bit are strictly designed in accordance with the standards API Spec.7, with the certificate of authority to use the official API monogram.There are not only rubber sealed bearing bits but also metal face sealed bearing bits, and all bits are lubricated by new type of wear resistant grease that can sustain high temperature up to 250°C.The surfaces of main or key parts are hard faced and treated with friction reducing technology. They can enhance gage protection and prolong the life of bit.Center nozzle is equipped for bits of larger sizes..Specifications: SizeIADC CodeAPI Regular Pin (in) in mm 3 7/8 126 617 4 1/4 107.9131 3212 3/8 4 5/8 117.5121 241 5272 7/8 4 3/4 120.6241 5 5/8 142.9121 241 321 5373 1/2 5 7/8 149.2241 321 517 537 547 617 637 6 152.4211 216 246 437 517 527 537 547 617 637 6 1/8 155.6117 211 437 517 6 1/4 158.7121 241 321 517 527 537 547 637 6 1/2 165.1517 6 3/4 171.4121 241 321 7 1/2 190.5121 124 134 217 244 517 527 547 6174 1/2 7 7/8 200121 124 131 134 241 321 517 527 547 617 8 3/8 212.7215 217 517 527 537 547 617 637 8 1/2 215.9114 116 117 121 124 126 127 131 134 137 211 216 217 241 247 321 437 447 517 527 537 547 617 637 837 8 3/4 222.2127 417 437 447 517 537 617 9 1/2 241.3117 124 125 127 437 517 527 537 617 6376 5/8 9 5/8 244.5114 121 124 131 134 437 517 527 9 7/8 250.8115 121 211 241 321 512 542 612 732 10 254126 10 5/8 269.9127 217 417 517 527 11 5/8 295.3117 127 137 217 417 517 537 547 12 304.8124 126 216 517 537 547 617 12 1/8 308547 12 1/4 311.1114 115 116 117 121 124 126 131 134 137 211 214 244 437 517 527 537 547 617 637 13 5/8 346.1114 115 121 124 437 515 517 13 3/4 349.2114 115 437 517 14 3/4 374.6136 127 517 5277 5/815 381121 124 241 244 15 1/2 393.7125 215 217 517 537 16 406.4115 215 515 535 545 17 1/2 444.5435 515 437 517 527 537 547 18 457.2547 18 1/2 469.9547 19 1/4 489115 225 20 508125 215 515 525 22 558.8124 24 609.6124 26 660.4114 124 134 52536 914.4124SizeIADC CodeAPI Regular Pin (in) inmm3 7/898.425126 617 4 1/4107.9131 3212 3/84 5/8117.5121 241 5272 7/84 3/4120.62415 5/8142.9121 241 321 5373 1/25 7/8149.2241 321 517 537 547 617 6376152.4211 216 246 437 517 527 537 547 617 6376 1/8155.6117 211 437 5176 1/4158.7121 241 321 517 527 537 547 6376 1/2165.15176 3/4171.4121 241 3217 1/2190.5121 124 134 217 244 517 527 547 6174 1/27 7/8200121 124 131 134 241 321 517 527 547 6178 3/8212.7215 217 517 527 537 547 617 6378 1/2215.9114 116 117 121 124 126 127 131 134 137 211 216 217 241 247 321 437 447 517 527 537 547 617 637 8378 3/4222.2127 417 437 447 517 537 6179 1/2241.3117 124 125 127 437 517 527 537 617 6376 5/89 5/8244.5114 121 124 131 134 437 517 5279 7/8250.8115 121 211 241 321 512 542 612 7321025412610 5/8269.9127 217 417 517 52711 5/8295.3117 127 137 217 417 517 537 54712304.8124 126 216 517 537 547 61712 1/830854712 1/4311.1114 115 116 117 121 124 126 131 134 137 211 214 244 437 517 527 537 547 617 63713 5/8346.1114 115 121 124 437 515 51713 3/4349.2114 115 437 51714 3/4374.6136 127 517 5277 5/815381121 124 241 24415 1/2393.7125 215 217 517 53716406.4115 215 515 535 54517 1/2444.5435 515 437 517 527 537 54718457.254718 1/2469.954719 1/4489115 22520508125 215 515 52522558.812424609.612426660.4114 124 134 52536914.4124FAQQ: Are you a manufacturer or trading company?A: We are a specialized manufacturer.Q: How about the delivery terms?1. Payment: T/T, L/C, Western Union, Paypal, 30% deposit in advance and rest before delivery.2. Min. order quantity: 1 piece.3. Transportation: By DHL/TNT/Fedex express, air, sea, train.Q: How about discount?A: Price is based on products and order quantity.Q: Do you accept sample order?A: Yes sure, please contact us for details.Q: How about your after-sales service?A: As a manufacturer, we offer promt technology support for all problems and questions. Besides, we accept goods return or replace for quality problem.Q: How does your company control the quality?A: Quality first. In order to guarantee high quality for our products, Roschen always makes a serious inspection for all products and raw materials in strict procedure. We have obtained certificate of ISO9001:2000 in 2004. For more information please contact: ROSCHEN INC.ROSCHEN GROUP LIMITEDROSCHEN HOLDINGS LIMITED Website: http://roschen.en.made-in-china.com ; http://roschen.en.made-in-china.com http://roschen.en.made-in-china.com
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