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Prodrill grinding cups are used for grinding your broken and blunt button bit . To prolong it's lifespan and extent its serving time .Our button bits grinding pins/grinding cups are available with a choice of Hemispherical, Ballistic Semi Ballistic, Paraboloid or Conical pins, in sizes 7mm to 29mm. Other sizes are available on request.
1. Our factory has been specialized in manufacturing drilling tools and spare parts for over 10 years.
2. We have advanced technology and equipment.
3. Our technician has more than 13 year's professional working experience.
4. Rock drilling tools are exported throughout the world. Main market: Norway, Turkey, USA, Canada, Australia, Brazil, Uruguay, Iran, Philippines, Thailand, India, etc.