Thread chasing dial is used to catch the thread when threading on lathe

Worm gear of chasing dial engages with the lead screw while thread chasing

Thread chasing dial is an additional part of the lathe carriage

Thread chasing dial stops rotating when the half nut lever is engaged

only at one particular position

only at numbered or un-numbered division

at opposite position

anywhere

During turning, after giving one depth of cut, the diameter is reduced equal to double the depth

Carbide tipped tool can withstand shock load

When turning bigger diameter job, the rpm is proportionally increased

When turning smaller diameter job, the rpm is proportionally decreased

24 teeth

18 teeth

12 teeth

6 teeth

More than that required throughout the length

Less than that required throughout the length

Equal to that required throughout the length

More for a certain length and then less for the remaining length