Square neck bolts with semi-round head

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Square neck bolts with semi-round head

Square neck bolts with semi-round head

Common half-round head bolts are used on metal parts, large half-round head bolts are used on wooden parts, and reinforced half-round head bolts are used on occasions subject to shock, vibration or alternating loads.
 
留言
Common half-round head bolts are used on metal parts, large half-round head bolts are used on wooden parts, and reinforced half-round head bolts are used on occasions subject to shock, vibration or alternating loads.

 
名称/Name 规格型号/Specifications 碳钢、合金钢机械性能
Carbon Steel、Alloy Steel Mechanical Performance		 不锈钢机械性能
Stainless Steel Mechanical Performance		 表面处理/Surface Finishing 材质/Material
Square neck bolts with semi-round head M6 3.6 A1 Chrome Mild Steel
  M8 4.6 A2 Clean Zinc Mid Steel
  M10 4.8 A3 Yellow Zinc Alloy Steel
  M12 5.6 A4 Black Phosphide Nylon
  （M14） 5.8 A5 Dacromet ABS
  M16 6.8   Geomet Aluminium Alloy
  M20 8.8   Black Oxide SUS
    9.8   Plain And Oil  
    10.9   Nickel Plated  
    12.9   E-coating  
        Vacuum  

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