40mm Tapered Button Bit for Rock Drilling 7° 11° 12° Taper
Mar 04, 2025
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# 40mm Tapered Button Bit
# Spherical Tapered Button Bit
# Parabolic rock drill button bits
40mm Tungsten Carbide Tapered Button Bit for Hard Rock Drilling Product Information This 40mm diameter drill bit is manufactured from high-grade hard alloy and special steel, designed for use with light-duty rock drills to create rock holes up to 50mm in diameter. Ideal for applications in metallurgy mines, geological exploration, water conservancy construction, electricity projects, traffic infrastructure, tunneling, quarrying, and national defense stone projects. Specificat
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40mm Tapered Button Bit for Rock Drilling 7° 11° 12° Taper
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