Big die stock set

A “Big die stock SET” refers to a collection of threading tools designed to cut large-diameter external threads (like on a bolt or rod).

The term is relative, but in the context of general-purpose tap and die sets, “big” usually means sets that include dies and die stocks for dimensions beyond the common $1/2\text{ inch}$ or $M12$ size.

Here is a breakdown of what constitutes a “big” die stock set:

1. Key Components and Sizes

A die stock is the handle used to manually turn the threading die. The size of the die stock is determined by the Outside Diameter (OD) of the round die it holds.