China National Standards

China Centre drills GB Standards List


  •  China "Centre drills " GB Standards List:
  • Standard  Code Standard Title Standard Class Order
    GB/T 6078-2016 Centre drills
    中心钻
    China National Standards
    Centre drills

    English PDF
    GB/T 6078.4-1998 Centre drills--Part 4:Technical specifications
    中心钻 第4部分:技术条件
    China National Standards
    Centre drills

    English PDF
    GB/T 6078.3-1998 Centre drills--Part 3:Centre drills for centre holes with radius form--Type R--Dimensions
    中心钻 第3部分:弧形中心钻 R型 型式和尺寸
    China National Standards
    Centre drills

    English PDF
    GB/T 6078.2-1998 Centre drills--Part 2:Centre drills for centre holes with protecting chamfers--Type B--Dimensions
    中心钻 第2部分:带护锥的中心钻 B型 型式和尺寸
    China National Standards
    Centre drills

    English PDF
    GB/T 6078.1-1998 Centre drills--Part 1:Centre drills for centre holes without protecting chamfers--Type A--Dimensions
    中心钻 第1部分:不带护锥的中心钻 A型 型式和尺寸
    China National Standards
    Centre drills

    English PDF

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