HG/T20613-2009 Steel Pipe Flange Fasteners Type I and Type II Hexagon Nuts

Standard classification: size standard standard system: chemical (HG) shape classification: nut detailed description: nut type used with hexagon head bolt and stud shall meet the requirements of GB/T6170 and GB/T6171. The height of the type I hex nut is about 0.8d, and the height of the type II hex nut is about 1.0d. Performance levels are 6, 8, A2-50,A2-70,A4-50,A4-70. The thread specification has M10 ~ M56 * 4 commercial grade hex nuts.

Standard Classification:

Size Standard

standard system:

Chemical (HG)

Shape classification:

Nut

Detailed Description:

The type of nut used in conjunction with hexagon head bolts and stud bolts shall complyGB/T6170andGB/T6171requirements. The height of type I hexagon nut is approx.0.8d, The height of the type II hexagon nut is about1.0d。

Performance levels are6Class,8Class,A2-50,A2-70,A4-50,A4-70。

Thread specifications areM10~M56*4of commodity grade hex nuts.

 

 

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