Caliper with 0.005mm/0.0002" display and thread inserts 21B
Inserts 21 B for P 2-4mm/13-6 TPI
Inserts 22 B for P 2-4 mm / 13-6 TPI
FMS caliper and thread inserts
3 pairs of FMS thread inserts (types 21A, 21B & 21C) can measure the external pitch diameter of threads with a flank angle from 55º to 80º and pitches from 1mm – 8mm / 24 TPI – 3 TPI. The same applies to types 22 and 23 A, B & C for internal thread pitch diameter. Threads with a flank angle of 29º and 30º are made for specific pitches because of the steep flank angle. THREAD INSERTS CLICK HERE
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