Thread whirling unit type 42BJ Thread whirling unit type 54BJ Type 42BJ Type 54BJ 12 mm Max. working diameter DF 22 mm 0 – 20° Adjustable range α 0 – 30° 4 mm Max. profile depth t 6 mm 1:1 Ratio i (n1:n2) 1.36 : 1 8,000 1/min Max. RPM (n2) 6,000 1/min Example type 54BJ: Ød = 15.2 mm; α = 28° → t ≤ 2.7 mm Optional accessories Sine bar for high accurate angular adjustment External coolant supply Item No. 96394 Item No. 91749 © WTO GmbH I Subject to change without notice 3