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Model Z47 series automatic multi-station combined cold bolt former joint fair of cold heading machine and thread rolling machine in one body, make cold heading shape and thread become type, it is little covered and area of that efficiency is high, is th major production equipment for hex bolt, socket screw and flange bolt, etc.  

Model Z47 Three-Station Series Automatic Bolt Maker
Model ZA47-6/3 ZA47-8/3 ZD47-12/3 ZA47-16/3B ZA47-16/3XL ZA47-20/3 
Number of heading station 3 3 3 3 3 3 
Heading force (KN) 450 800 1200 2500 2500 3150 
Max. Cutoff dia (mm) φ8 φ10 φ14 φ20 φ20 φ24 
Max. Cutoff length (mm) 80 120 150 210 285 220 
Max. Shank dia (mm) φ6 φ8 φ12 φ16 φ16 φ20 
Shank length under head (mm) 10-60 12-100 20-120 25-160 90-250 30-170 
Max. Thread length (mm) 35 40 45 55 55 65 
Max. Die kickout stroke (mm) 65 105 125 165 250 175 
Max. Punch knockout stroke (mm) 12 16 25 32 25 32 
Heading die pitch (mm) 65 80 110 130 120 150 
Heading die hole dia. (mm) φ45 φ60 φ80 φ100 φ100 φ125 
Punch hole dia. (mm) φ40 φ45 φ60 φ80 φ80 φ100 
Main motor power (KW) 7.5 15 22 45 55 55 
Output (pcs/min) 150 130 100/120 70 40 60 
Net weight (kg) 6000 9000 23000 40000 60000 55000.