kamy roadheaders

Tel No. +86-21-57674157

roof bolting drill bits

Quality Inspection

Technology led the establishment of the quality assurance after-sales service, improve the management system.

Production License

Production license of the product ensure that the license number, approval date and expiration date.

Product Packaging

Product packaging in line with national regulations, due to packaging damage caused by the products borne.

After-sales Service

Any difficulties encountered by customers, we will do our best in the first time to provide perfect service.

Roof Bolting Drill Bits, Roof Bolting Drill Bits Suppliers ...

Coal mining roof bolt drill bits The hex drive drill bit is also called coal mining roof bolt bits . Such as coal mining roof bolt bits, R22 thread anchor bits, PDC anchor bits 2 wings and 3 wings etc.

Roof Bolting Drill Bit, Roof Bolting Drill Bit Suppliers ...

Coal mining roof bolt drill bits The hex drive drill bit is also called coal mining roof bolt bits . Such as coal mining roof bolt bits, R22 thread anchor bits, PDC anchor bits 2 wings and 3 wings etc. If you are interested in our roof bolting drill bit , please feel free to contact us.

CDC - Mining Feature - Drill Bit Isolator - NIOSH

A drill bit isolator in use as a roof bolting machine drills a bolt hole in the mine roof. Shown is the drill bit isolator (dark grey color) installed between the drill steel (yellow) and the drill bit (not visible).

PDC roof bolting drill bits - hndkmt.en.alibaba.com

PDC roof bolting drill bits . About Us . We are a professional manufacturer specialized in series of drill tools: PDC, PDC drill bits, diamond drill bits, etc. W e can also produce other products according to the customers requirements. We sincerely welcome our friend …

28mm Pcd Anchor Roof Bolting Drill Bit For Coal Mine - Buy ...

28mm PCD anchor roof bolting drill bit for coal mine . 1, PCD cutters as the cutting teeth, wear-resistant and high impact toughness. 2, Long service life in the testing, 10 times than carbide anchor bits;

A Noise Control for A Roof Bolting Machine: Collapsible ...

Commonly used drill steels are either round or hexagonal in shape and are available to be used with either 2.54 cm or 3.49 cm drill bits (Figure 5). Figure 5: Hex and round drill steels for a 3.49 cm diameter drill bit (upper) and two examples of drill bits (lower). Because the roof bolting machine measurements require a rather large drill media

Roof-Bolting-Tools - tijonusa.com

Roof Bolter Bits. Roof Bolting Tools (Drill Steels) We manufacture a complete line of carbide tipped bolter bits. Please click on the tab labeled ...

Roof Bolting Drill Bits Products - ecplaza.net

Polycrystalline Diamond Roof Drill Bits/PCD roof drill bits PDC anchor shank drill bits are mainly used for the coal seam, dam and roadway construction of bolt-mesh support. Their life are 10-30 times of tungsten carbide bits .

Roof Bolting Tools | Coal Age

Of all the underground occupations, roof bolting is one of the most dangerous. The job is less routine than operating a continuous miner or a shuttle car. The miners are exposed to unsupported top, albeit at a distance, and they have to work with a number of components, including the drilling machine (roof bolter), drill steels and bits, resin ...

2 Wings Pdc Roof Bolting Drill Bits/auger Drill Bit /rock ...

1. The introduction of PDC anchor shank drill bit/PCD diamond drill bit . PDC anchor shank drill bits are mainly used for the coal seam, dam and roadway construction of bolt-mesh support. Their life are 10-30 times of tungsten carbide bits. Usually the anchor shank drill bits have 2 or 3 wings.