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Call us 0597-3217790
E-mall fujiankailong@gmail.com
Longyan Kailong Mining Equipment Co., Ltd.
Thread: T38 T45
Length: 915mm, 1220mm, 1525mm, 1830mm, 3050mm, 3660mm, 4270mm
Shape: Round
It is common practice to bump up the drive end of drifting drill steel for added strength at the rock drill end to accommodate larger diameter and shank adapters. Drill steel of rock drilling tools is available in many standard lengths to match the drill feeds on a multitude of available drifting jumbos. A rock drill bit diameter closer to the steel diameter can be used since the coupling does not enter the hole, this enhances flushing and hole accuracy.
Male/Female (M/F) Steel
Male/Female drill steel provides more rigid connections and is easier to uncouple and handle. The service life also tends to be better than with separate couplings. This is fortunate because the coupling end cannot be replaced.
The advantages of drilling with M/F extension drill steel include: easy handling, quicker uncoupling, tighter connections and the
potential to drill straighter holes.
Business Type: | Manufacturer, Exporter |
Brands: | KUANGBAO |
Price: | Consultation |
Packing details: | Plastic/Wooden case |
Delivery time: | 7 days after get payment |
Payment method: | T/T , Western Union, money gram, L/C at sight |
Usage: | Foundation piling. Quarry, mining, soil nailing, water well drilling, tunneling and etc. |
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