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Locating pin hole how to Hit

If the pin is cylindrical, the bottom hole is 7. 8, then with a 8 reamer hinge. Generally stay 0. 2-0. 3mm margin hinge processing. The machine hinge can enlarge a little.

If it is a tapered pin, the bottom hole is 8 and then a 1:50 reamer hinge.

Locating pin hole dowel hole:

A hole for inserting a locating pin designed to accurately position two parts adjacent to the die, also known as a guide pillar.