China National Standards

China Hollow hexagonal drill GB Standards List


  •  China "Hollow hexagonal drill" GB Standards List:
  • Standard  Code Standard Title Standard Class Order
    GB/T 6481-2016 Hollow hexagonal drill rods with taperd connection for rock drilling
    凿岩用锥体连接中空六角形钎杆
    China National Standards
    Hollow hexagonal drill

    English PDF
    GB/T 6481-2002 Hollow hexagonal drill rods with taperd connection for rock drilling
    凿岩用锥体连接中空六角形钎杆
    China National Standards
    Hollow hexagonal drill

    English PDF

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