黑铁丝由优质铁丝制成，主要用于建筑行业作***丝及绑线。丝号主要有8#-38#(丝经0.17-4.5mm)，亦可按客户要求生产制作。丝号丝径（mm）BWGinmm米制8#4.064.194.009#3.663.76-10#3.253.403.5011#2.953.053.0012#2.642.772.8013#2.342.412.5014#2.032.11-15#1.831.831.8016#1.631.651.6517#1.421.471.4018#1.221.251.2019#1.021.071.0020#0.910.890.9021#0.810.8130.8022#0.710.7110.70)