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GB standards are the China national standards; Prefix code GB are Mandatory standards, GB/T are Recommended standards; All products or service must be compliance with GB standards; If you want to export products or services to huge Chinese market, need ensure they are meet the requirements of GB china national standards; We provide Chinese GB standards and English version GB standards Lookup, Translate, Download, Imported Commodity GB standards Testing and Compliance review services. |
| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB/T 32537-2016 |
Runouts, undercuts and chamfers for trapezoidal and buttress threads 梯形和锯齿形螺纹收尾、肩距、退刀槽和倒角 |
China National Standards chamfers |
 English PDF |
| GB/T 32535-2016 |
Runouts, undercuts and chamfers for pipe threads 管螺纹收尾、肩距、退刀槽和倒角 |
China National Standards chamfers |
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 chamfers |
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 chamfers |
English PDF |
| GB/T 3-1997 |
Run-outs，undercuts and chamfers forgeneral purpose metric screw threads 普通螺纹收尾、肩距、退刀槽和倒角 |
China National Standards chamfers |
English PDF |
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