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双头螺柱

可按客户要求进行发黑、磷化、镀锌、达克罗、镀镉、镀铬、镀镍铬合金、热镀锌、特氟隆等表面处理。



详细内容
执行标准Standard螺纹规格
   
Normal diameter
总长度(mm
   
Total length (mm)
螺纹精度
   
Accuracy of thread
材料
   
Material
性能等级
   
Performance degree
GB 897M6~M4826~3486g钢或不锈钢
   
Carbon and alloy steel or Stainless steel
6.88.810.912.9A2-50A2-70
GB 89828~360
GB 89929~372
GB 90032~396
GB 901M6~M9025~500
NB/T47027M14~M56×350~5006g
   
Carbon and alloy steel
GB/T 150规定
   
According to GB/T 150
JB/T 4707M16~M56100~480按标准规定
   
According to standard
SH/T 3404M10~  M130×340~670钢或不锈钢
   
Carbon and alloy steel or Stainless steel
HG /T20613M10~M56×4按合同
   
According to order
8.8A2-50, A2-70A4-50A4-70
   
或专用级(按标准规定)
   
8.8A2-50, A2-70A4-50 A4-70
    or Special class (According to  standard
HG/T 20634M14~M90×3
GB/T 9125M10~M90×3
ASME B18.31.20.25"~4"2A

根据相应的材料标准

According to the corresponding material standards