7 11 12 Degree Rock Tools Tapered Drill Rod For Mining High Efficient

High Efficient 7 11 12 Degree Rock Tools Tapered Drill Rod For Mining

Our raw material is from 320*480 large-section continuous casting billet, then rolling into 150*150 square billet by drilling holes and inserting seamless pipe, and made of 55SiMnMo. The whole production involves multiple processes, including steel rolling, forging, quenching and tempering, etc. According to the different choices of customers, our company has different quality products, such as extra-excellent, excellent, ordinary drilling rod, etc. Customers can choose suitable drilling rod according to different hardness of rock and types of jack hammer. Extra-excellent drilling 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. Excellent drilling rod QSAA and G30 is suitable for IV level or above and f≥12 rocks, ordinary drilling rod suitable for IV level or below and f≤8 rocks.

Integral Drill Steel is mainly used in small-hole drilling, such as stone quarrying, foundation drilling,tunneling, underground mining, road cutting, and trenching and so on, and equipped with small power rock drills, like air leg rock drills, hand held rock drills, etc. It can reduces the expense of impact energy, improves the drilling speed and efficiency, which can be used for drilling bore hole diameter from 23mm to 45mm usually.

Ella Chen

WhatsApp/ wechat: +8615167050487

Mail: sale68@jugonggroup.com