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Lilin Oil Drill Bits - China

price: contact company for price

LiLin Oil Drill Bits

We offer LiLin Oil Drill Bits with highest quality and competitive price.

LiLin PDC bits, LiLin Tricone Bits

LiLin Oil Drill Bits from from 2 7/ 8' to 36' in diameter

LiLin Oil Drill Bits

Size: 8 1/ 2' 9 5/ 8' 9 7/ 8' 12 1/ 4' 17 1/ 2' etc are available.

IADC: 417/ 517/ 537/ 617/ 637

API& ISO Cert.

Rubber/ Metal Beaing

1. Cutting Structure

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

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

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

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

It is suitable for downhole motor and high speed applications.

LiLin 349.2mm Oil Drill Bit

LiLin 311.1mm Oil Drill Bit

LiLin 250.8mm Oil Drill Bit

LiLin 247.3mm Oil Drill Bit

LiLin 244.5mm Oil Drill Bit

LiLin 241.3mm Oil Drill Bit

LiLin 222.2mm Oil Drill Bit

LiLin 215.9mm Oil Drill Bit

LiLin 212.7mm Oil Drill Bit

LiLin 200.0mm Oil Drill Bit

LiLin 158.7mm Oil Drill Bit

LiLin 155.6mm Oil Drill Bit

LiLin 152.4mm Oil Drill Bit

LiLin 149.2mm Oil Drill Bit

LiLin 17 1/ 2' Oil Drill Bit

LiLin 12 1/ 4' ' Oil Drill Bit

LiLin 9 7/ 8' ' Oil Drill Bit

LiLin 9 5/ 8' ' Oil Drill Bit

LiLin 8 1/ 2' ' Oil Drill Bit


Company Contact:


  • Phone: 862865376552

  • Address: 2nd Floor, Xinhelinghang Tower, Middle Section Air, Chengdu, China

  • Email: Email


Published date: November 5, 2014 -

  • Business Description: A&S cutting department was founded in 2007, belongs to A&S Machinery

    Co., Ltd. is one of key exporter of machinery and machinery components

    in china. We specialize in supplying for world leading cutting

    tools,drill bits,rock drills,turning tools .And the Brands of our

    products are all innternational products,owing good reputations and high

    qualities,resonable prices. we have consolidated in this field,having

    many channels or ways to offer the complete series of cutting

    tools,drill bits,we are glad to help customers work out automation

    solutions as required or needed.The excellent series of products of our

    company are exported to more than 60 countries and areas, like North

    America, American,Europe, Japan,Keran, South Africa, East mid areas

    etc.we have a dedicated team of young and energetic sales engineers

    always provide kind services to our clients. our goal remains to provide

    products with unsurpassed quality, service before and after the sale,

    and complete customer satisfaction.As professinals in all aspects of

    industrial cuttings tools,drilling bits,either in the milling area,we

    aim to serve any customers with a professional and reliable service.

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