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buy used pdc bits

  • China China  
  • Quantity Required: 300 Ton
  • Last Updated:
    Posted on: 18 Oct 2024

  • Buying Frequency: Daily
  • Destination Port: tianjin,China
Buyer Information

RFQ Details

We are Hebei Yixing Drill Bit Equipments Co, Ltd, and are one of the most professional company for more than 20 yeas in China, and our company is one of the most professiona manufacturer in China, we can provide high quality drill bits with many model availabl. we welcome the honorific customers to cooperate with us.
1.description of drill bit
(1) Cutting Structure of this series tricone rock bit :
The durability of premium tungsten carbide inserts is improved with new formulas and new techniques for insert ***** wear-resistance of teeth is enhanced with premium tungsten carbide hardfacing on the tooth surfaces for steel tooth bit.
(2) Gauge Structure of this series tricone rock bit :
Multiple gauge protection with gauge trimmers on heel and gauge inserts on the gauge surface of the cone, tungsten carbide inserts and hardfacing on the shirttail increases gauge holding capability and bearing life.
(3)Bearing Structure of this series tricone rock bit :
High precision bearing with two thrust faces. Balls lock the cone.Hardface heard bearing surface. Cone bearing inlaid with friction-reducing alloy and then silver-plated. Abrasion resistance and seizure resistance of the bearing are improved and suitable for high rotary speed.
(4)Seal and Lubrication of this series tricone rock bit :
The advanced metal seal package consists of two metal seats and two elastic energizers. Compressed energizers ensure good contact being kept on two sealing surfaces of metal rings by elastic force, and achieve the bearing seal. In the drilling, metal seal are relatively dynamic, and the energizers are static. This will improve the reliability and durability of bearing seal. The pressure compensator system and advanced grease can greatly increase the lubricating reliability.
***** product
size Bit Type
In mm
6 152.4 437, 517, 537, 617, 637
6 1/2 165.1 437, 517, 537, 617, 637
7 1/2 190.5 517, 537
8 1/2 215.9 437, 535, 517, 537, 617, 637
9 1/2 241.3 437, 517, 537, 617, 637
9 5/8 244.5 535, 517, 537
9 7/8 250.8 517, 537
12 1/4 311.1 437, 535, 517, 537, 617, 637
17 1/2 444.8 535, 517, 537
Tci bits series
437
Soft formation TCI Tricone Bits
This cutting structure design, combined with maximum cone offset, results in high bit penetration ***** deep intermesh of cutter rows prevents bit bailing in sticky formations.

517
Medium Formation TCI Tricone Bits
This design provides a drilling rate and added cutting structure durability in medium-to-medium hard ***** HSN rubber O-ring provides adequate sealing for bearing durability.

617
Medium-Hard Formation TCI Tricone Bits
This design provides a fast drilling rate and added cutting structure durability in medium to medium hare ***** HSN rubber O-rin provides adequate sealing for bearing durability.
637
Hard Formation TCI Tricone Bits
The 637 bits are used in the outer rows to prevent loss of bit ***** numbers of hemispherical shaped inserts are used in all rows to provide cutter durability and long life


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