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H22 Steel Taper Drill Rod for Rock Drilling Small Diameter Hole1
Mining Machinery, Quarry Drill Rod, Drill Rod Set
Luoyang Shandike Mechanical Equipment Co., Ltd.
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Product Description H22 11 degree mining drill rod tapered drill rod According to the different choices of customers, we offer four quality products, including Grade A,Grade B,Grade C and Grade D. Customers can choose suitable drill rod according to different hardness of rock and types of rock drilling tools. Grade A drill rod QSAAA and GTIII can be applied to solid rock, III level or above and f≥12 rocks according to Protodikonov's Hardness Coefficient of Rock. Grade B drill rod QSAA and G30 is suitable for IV level or above and f≥12 rocks, Grade C and Grade D drill rod suitable for IV level or below and f≤8 rocks. Angle7 /11/12 degreeBrandQSAAA,QSAA,GTIII,G30Shank sizeH22*108mm/ H25*108mm/H25*159mm.Package5 pieces with a small bundle,50 or 100 pieces with a big bundle.Production processinvolving multiple processes, such as steel rolling, forging, normalizing,quenching and tempering, etc.Raw materialIt is 55SiMnMo ,320*480 large-section continuous casting billet, then rolling into 150*150 square billet after inserting core rod and seamless pipe.Brief Introduction 1. Raw material: It is 55SiMnMo ,320*480 large-section continuous casting billet, then rolling into 150*150 square billet after inserting core rod and seamless pipe.2. Production process: involving multiple processes, such as steel rolling, forging, normalizing,quenching and tempering, etc. 3. Brand:QSAAA,QSAA,GTIII,G304. Shank size: H22*108mm/ H25*108mm/H25*159mm.5. Angle: 7 /11/12 degree.6. Package: 5 pieces with a small bundle,50 or 100 pieces with a big bundle.Quality LevelAccording to the different choices of customers, we offer four quality products, including Grade A,Grade B,Grade C and Grade D. Customers can choose suitable drill rod according to different hardness of rock and types of rock drilling tools. Grade A drill rod QSAAA and GTIII can be applied to solid rock, III level or above and f≥12 rocks according to Protodikonov's Hardness Coefficient of Rock. Grade B drill rod QSAA and G30 is suitable for IV level or above and f≥12 rocks, Grade C and Grade D drill rod suitable for IV level or below and f≤8 rocks. LUOYANG GUANGTUO ROCK DRILLING GROUP, it was founded in 2010, located in Yiyang county, Luoyang city,Henan province,specializing in producing hollow drill steel,tapered drill rod and safty light. With the past years efforts,it has developed three branches,LUOYANG TUOYAN MACHINERY EQUIPMENT CO.,LTD, specializing in manufacturing thread drill tools including thread rods,bits and miner lamp.SDK has very strong capability to produce high-quality products , and we are keeping long-term and reliable partnership with lots of logistic companies,this allows us to send goods to you fast at very favorable prices . If you have your own freight forwarding company , we are also willing to deliver the goods to them promptly.FAQ1. T/T or Western Union or money gram or L/C at sight?All are no problem.2. Shipping time for an order:We have many stock. As usual, we can deliver the goods as soon as get the full payment.3. Quality control:Each production process have quality inspector to check the quality . And we have a very strict factory standard. There will also be strict inspection and testing for every order before shipping out.4. After sale service:Free replacement will provide once the failure confirmed caused by our product quality.5. How can we trust your company?We support ****** trade insurance. Protecting products quality, shipment on time and your covered amount.We are ****** trade assurance gold supplier and have more than 10 years manufacturing experience of drill rods.
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