MATHIASEN
MACHINERY, INC.
REF. # 29-123BOLT FORMER
Mfg.: National Standard
Model: BM-20
Building year 1983
Forging stations 4
Finger’s numbers 4
Production ppm 90/min
MAX thread length 78 mm
MIN. bolt with thread M-16x30 DIN 933
MAX. bolt with thread M-20x160 DIN 931
Max. diameter of wire 24 mm (.944 inch)
MIN/MAX. cutoff of length 38 mm to 200 mm
Die k.o. stroke 30 mm /160 mm
MAX. punch k.o. stroke 30 mm
DIES DIAM. x LENGTH 122 mm X 184 mm
PUNCHES DIAM. x LENGTH 95 mm X 176.2 mm
DIAM. Quill (DIAM. x LENGTH) 93.6 mmX 130.5 mm
CUT-OFF KNIFE (Dx L) 55mm X30 mm
Dies pitch 139.7 mm
Motor 75 Kw
Net weight (Approx.) 46.7 t
![National Standard Cold Header Bolt Maker BM-20](29-12303.jpg)