六角铜柱 接线柱 电脑螺丝 M3X6 + M6X5-19
铜柱直径:W=M6
铜柱长度:L=5-19 mm (铜柱长度5-19MM 任选)
螺纹直径:A=B=3 mm(M3)
螺丝体长:H=4-6 mm