Definition of minimum margin

Definition of minimum margin

The specification table of pressure riveting fasteners has a column of minimum margin, such as:

drawing

Metric specification table(unit:mm)

                   Thread Type             thread size           Specification Code A       Minimun plate thickness plate mounting hole size +0.08                C            -0.1             E          ±0.25     T      ±0.1  tooth thickness  ±0.05 Tooth outer diameter    ±0.1         Minimum margin
carbon steel stainless steel stainless steel hardened        Max
                   M2*0.4                              S                                    CLS                                           SP                           M2 0 0.76 0.8-1                                    4.25                            4.22                    6.35              1.5 0.35 5.25                                 4.8
1 0.97 1     0.45 5.25
2 1.37 1.4     0.5 5.25

What does minimum margin mean?

The definition is as follows: “margin” refers to the distance from the circular edge of the plate hole (quadrant point) to the outer edge of the workpiece, and “minimum margin” refers to not less than this distance. The following pictures are attached:

Minimum margin:

drawing 1

 

Picture of Dongguan Aotuo

Dongguan Aotuo

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