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Pan head tapping screw shape C with H recessed head DIN 7981, A2 stainless steel, shape C, with tip
Pan head tapping screw shape C with H recessed head DIN 7981, A2 stainless steel, shape C, with tip - 1
Pan head tapping screw shape C with H recessed head DIN 7981, A2 stainless steel, shape C, with tip - 2

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Pan head tapping screw shape C with H recessed head DIN 7981, A2 stainless steel, shape C, with tip

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  • 自攻螺钉属于螺纹成型螺钉系列。旋入预加工的心型孔时,这些螺钉会形成自己的反螺纹。

  • DIN 7975 中载有选择正确心型孔径的指导值。

  • C 形 = 带尖端的螺纹

  • F 形 = 不带尖端的螺纹

  • R 形 = 带圆尖的螺纹
产品须知

不锈钢自攻螺钉的硬度低于表面硬化钢自攻螺钉。因此,这些螺钉不能在钢板中形成反螺纹,所以只能用于铝材等低硬度材料。