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|Product Name:||Plate Head Screw||Material:||Mild Steel|
|Cross Recess:||Type H||Surface:||Zinc Plate|
|Grade:||8.8||Application Scrope:||Machinery Industry|
cross recessed flat head screw,
flat head cap screw
Plat head screws with type H Cross recess - Product grade A
This part of ISO 7046 specifies the characteristics of countersunk flat head screws with threads from M1,6 to M10 inclusive, of product grade A and property class 4.8, and with type H or type Z Cross recess.
If, in special cases, specifications other than those Iisted in this part of ISO 7046 are required, they should be selected from existing International Standards, for example ISO 261, ISO 888, ISO 898-1 and ISO 965-2.
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If you are looking for flange head screws, please contact us for further information.
|Mechanical and physical peroperties of bolts,screws and studs|
|Mechanical and physical peroperties||Property class|
|d≦16 mm||d﹥16 mm|
|Minimum tensile strength (N/mm2)||min||800||830||1040||1220|
|Vickers hardness (HV)||min||250||255||320||385|
|Brinell hardness (HB)||min||238||242||304||366|
|Rockwell hardness (HRC)||min||22||23||32||39|
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