Gold Member Since 2014
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Hejian Hengji Bit Manufacture Co., Ltd.

Drag Bits, Drag PDC Bit, Button Bit manufacturer / supplier in China, offering PDC Cutters Drag Bits, API Used Second Hand 8 1/2 Tricone Dill Bit Price, Tungsten Carbide Insert Tricone Bit for Hard Rocks and so on.

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Supplier Homepage Product Drill Bit PDC Cutters Drag Bits

PDC Cutters Drag Bits

FOB Price: US $600 / Piece
Min. Order: 1 Piece
Min. Order FOB Price
1 Piece US $600/ Piece
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Port: Tianjin, China
Production Capacity: 100
Payment Terms: L/C, T/T, Western Union

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Basic Info
  • Certification: API
  • Material: Tungsten Carbide
  • Blades: 3-6
  • Trademark: HJ
  • Specification: according requirement
  • HS Code: 8207191
  • Type: Petroleum Drilling Machine
  • Usage: Well Drilling
  • Type 1: PDC Cutters
  • Transport Package: Wooden Case
  • Origin: Hebei
Product Description
pdc cutters drag bits
PDC Cutters Drag Bits
PDC Cutters Drag Bits


A drag bit is a drill bit usually designed for use in soft formations such as sand, clay, or some soft rock. However, they will not work well in coarse gravel or hard rock formations. Uses include drilling water wells, mining, geothermal, environmental and exploration drilling. Whenever possible, they should be used to drill pilot holes because they produce cuttings that are easiest to log.
Sizes Available:
SizeType PinWt. (lbs.)
2 3/4" - 3 1/2"4 THD N - Rod3 1/2
2 5/8" - 4 3/4"2 3/8" API5 1/2
4 7/8" - 5 1/8"2 3/8" API7
5 1/4" - 5 1/2"2 3/8" API8
5 5/8" - 6"2 3/8" API8
6 1/8" - 6 1/4"2 3/8" API8 1/2
6 1/2"- 6 3/4"2 3/8" API9
5 1/2" - 6 3/4"3 1/2" API22
6 7/8" - 7 7/8"3 1/2" API23
8" - 9"3 1/2" API24
9 1/8" - 10 7/8"3 1/2" API25-30
7 7/8" - 8 7/8"4 1/2" API40
9" - 9 7/8"4 1/2" API42
10" - 10 7/8"3 1/2" API or 4 1/2" API45
11" - 12 1/4"3 1/2" API or 4 1/2" API50




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 bit.The 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.
 
5.Product Application of this series tricone rock bit :
It is suitable for downhole motor and high speed applications.
 
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