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 No	side-cutting/opposite side	blank length	productivity (pc/min)	motor power(kw)	outer form size
Z23-8	10-14	10-100	60	3kw	2500×1000×1300
Z23-10	14-17	20-140	60	4kw	3000×1000×1300
Z23-12	14-19	25-150	55	5.5kw	3600×1400×1800
Z23-16	17-24	30-250	45	7.5kw	4000×1400×1800
Z23-20	17-30	40-250	40	11kw	4000×1400×1800
Z23-20	17-30	40-300	40	11kw	4500×1600×1800
Z23-24	17-36	40-300	40	15kw	4600×1800×1800
Z23-30	19-46	100-300	40	18.5kw	4800×1800×1800