Page 117 - CITS - Fitter Trade Pactical - Volume - 2

FITTER - CITS

EXERCISE 34: Exercise on external threading by using

dies & lubricant

Objectives

At the end of this exercise you shall be able to
• file blank size in round rod to cut external thread
• cut M14 external thread using split die and die stock to the required length
• check the thread with screw pitch gauge and matching nut.

Check blank size.
Blank size = Thread size - 0.1 x pitch of thread
Fix the die in the diestock and place the leading side of the die opposite to the step of the diestock.

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