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Reliable Bore Hole Drilling Roller Bits , Roller Cone Drill Bit Kellyway

    Buy cheap Reliable Bore Hole Drilling Roller Bits , Roller Cone Drill Bit Kellyway from wholesalers
     
    Buy cheap Reliable Bore Hole Drilling Roller Bits , Roller Cone Drill Bit Kellyway from wholesalers
    • Buy cheap Reliable Bore Hole Drilling Roller Bits , Roller Cone Drill Bit Kellyway from wholesalers
    • Buy cheap Reliable Bore Hole Drilling Roller Bits , Roller Cone Drill Bit Kellyway from wholesalers
    • Buy cheap Reliable Bore Hole Drilling Roller Bits , Roller Cone Drill Bit Kellyway from wholesalers

    Reliable Bore Hole Drilling Roller Bits , Roller Cone Drill Bit Kellyway

    Ask Lasest Price
    Brand Name : Kellyway
    Supply Ability : 200 Piece/Pieces per Day
    Price : Negotiate
    Model Number : Roller Bits
    Payment Terms : L/C, T/T
    MOQ : 1 Piece
    • Product Details
    • Company Profile

    Reliable Bore Hole Drilling Roller Bits , Roller Cone Drill Bit Kellyway

    Reliable Bore Hole Drill Bit Roller Bit for Rotary Drilling Tools Core Barrel in Bored Piles


    1.Cutting Structure
    The wear-resistance of the teeth is enhanced with premium tungsten carbide hardfacing on the tooth surfaces for the steel tooth bit.The durability of premium tungsten carbide inserts is improved with new formulas and new techniques for insert bit

    2.Gauge Structure
    Multiple gague protection with gauge trimmers on the heel and gauge inserts on the gauge surface of the cone,tungsten carbide inserts and hardfacing on the shirttail increases gauge holding capacity and bearing life

    3.Bearing Structure
    High precision journal bearing with two thrust faces,Balls lock the cone.Hardfaced head bearing surface.Cone bearing inlaid with friction-reducing alloy and then silver-plated.Abrasion resistance and seizure of the bearing are improved.and suitable for high rotary speed

    4.Seal and Lubrication
    The advanced metal seal package consists of two metal seals and two elastic energizers.Compressed energizers ensure good contact being kept on two sealing surfaces of metal rings by elastic force,and achieves the bearing seal.In the drilling,metal seals 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.

    Specifications

    Size

    TC Bit Dia.(mm)

    TC Bit No.

    (PCS)

    TC Bit Height(mm)

    Dia. of Roller(mm)

    Height of Roller(mm)

    Remarks

    8-1/2’

    13

    42

    7

    134

    83

    Both Welding and holder type are available

    13

    55

    7

    130

    83

    14

    42

    9

    138

    83

    14

    55

    9

    134

    83

    15

    45

    8

    141

    83

    10-1/2’

    17

    50

    11

    170

    98

    12-1/4

    14

    75

    9

    186

    130


    Introduction:

    With 10 years’ experience on piling works, Kellyway team is dedicated to design, manufacture and supply top cost-perforemance roller bits for hard rocks.
    1. Modern design special for foundation works;
    2. Material from top suppliers;
    3. Professional and modern production line;
    4. With built-in grease supplement system;
    5. Top level welding and heat treatment technology.

    Product Line

    Jobsite

    Packaging & shipping

    Company Information

    Hunan Kellyway Machinery Co., Ltd was founded by the main team which is with up to ten years’ experience on foundation works and piling machinery. Kellyway is committed to manufacture and supply most reliable and highest cost-performance products for piling works including Kelly Bars, Drilling Tools and Drilling teeth. Kellyway is working on provide the one-stop piling solutions for our domestic and global customers and we are dedicated to be your best partner for your piling works from China.

    FAQ

    Q1. How long have you been in this business?

    Over 10 years experience.

    Q2. Do you accept sample order?
    Yes sure, please contact us for details.

    Q3. How about your after-sales service?
    We offer promote technology support for all problems and questions.

    Besides, we accept goods return or replace for quality problem.

    Q4. How does your company control the quality?

    Quality first. In order to guarantee high quality for our products.

    Kellyway makes a serious inspection for all products and raw materials in strict procedure.


    Our service

    1. Prompt delivery
    2. Best after-sale service
    3. The products could be produce according to customer's requirements
    4. Inquiries are typically replyed within 24 hours

    Quality Reliable Bore Hole Drilling Roller Bits , Roller Cone Drill Bit Kellyway for sale
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