38mm Button Drill Bit 11degree Small Rock Drill Bits For Granite Rock

38mm 7 Buttons 11degree Taper button Rock Drilling Bit

Rock Drill Bits Product Characteristic:

1. Button bit taper angle: 4°,4°46″,6°,7°,11°,12°
2. Length: 50/55/71/80 mm
3. Diameter: 20-45 mm
4. Button bit shape: spherical/parabolic
5. Socket inside diameter: 15/19/22/25(mm)
6. Material and process: high quality alloy steel bar and tungsten carbides, through heat treatment

Rock Drill Bits Description:

The Drill Bits are made from grade hard alloy and special steel, generally matched with the light-duty rock drill, to drill the rock hole within diameter of 50mm. The drill tools are used in metallurgy mine, geological exploration, water conservancy construction, electricity, traffic, tunnel, quarry, national defence stone project etc.

Company profile:

Hebei Minetech Machinery Technology Co, Ltd is an joint venture enterprise with Europe Partner, which is located in Shijiazhuang City, Hebei Province,China. Our company is specialized in manufacturing and exporting of mining machinery, such as hydraulic and pneumatic drill machine, roof bolter and drilling consumption ,like drill bit and drill rod with own factory in Shijiazhuang City.With our rich expenience for over a decade and with professional engineers andsales team, we focus on providing complete solutions for mining machinery.
Target markets is gradually shifted from domestic market to international market, products are exported to more than thirty countries and regions, including Southeast Asia, the United States, Germany, Britain, South Africa, Poland, Russia, Middle Asia, South America and so on, and established a good brand and reputation ininternational market.

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