High Performance Spherical/Parabolic Tapered Button Bit for Energy and Construction Works

Serena
Apr 29, 2025
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Yellow 7/11/12 Degree Forging Tapered Button Bit For Construction Works Product 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. Product Characteristics For 22 mm (7/8") rod 11°
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