The machines are used for cutting the head of the cold-header-processed screw bolt blands into hexagonal shap-e. They run continuously and automatically and are easy to operate. type Noside-cutting/opposite side blank lengthproductivity (pc/min)motor power(kw)outer form sizeZ23-810-1410-100603kw2500×1000×1300Z23-1014-1720-140604kw3000×1000×1300Z23-1214-1925-150555.5kw3600×1400×1800Z23-1617-2430-250457.5kw4000×1400×1800Z23-2017-3040-2504011kw4000×1400×1800Z23-2017-3040-3004011kw4500×1600×1800Z23-2417-3640-3004015kw4600×1800×1800Z23-3019-46100-3004018.5kw4800×1800×1800