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Pan head tapping screw, shape C with Z recessed head DIN 7981, A2 stainless steel, plain, PZ drive, shape C
Pan head tapping screw, shape C with Z recessed head DIN 7981, A2 stainless steel, plain, PZ drive, shape C - 1 Pan head tapping screw, shape C with Z recessed head DIN 7981, A2 stainless steel, plain, PZ drive, shape C - 2
Pan head tapping screw, shape C with Z recessed head DIN 7981, A2 stainless steel, plain, PZ drive, shape C - 1
Pan head tapping screw, shape C with Z recessed head DIN 7981, A2 stainless steel, plain, PZ drive, shape C - 2

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Pan head tapping screw, shape C with Z recessed head DIN 7981, A2 stainless steel, plain, PZ drive, shape C

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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

不锈钢自攻螺钉比表面硬化钢自攻螺钉的强度低。这意味着这些螺钉不能在钢板上形成反螺纹。因此，它们只能用于铝材等软材料。