This is a simple Lathe chuck drill guide designed to help position holes correctly on a 100mm independent 4 jaw chuck for a lathe with a 3 hole pattern. The guide is placed over one of the existing 4 holes to ensure correct placement, after which the remaining 2 holes are first pilot drilled and then opened up to an 8mm tap drill size. This tool is essential for achieving accurate hole positioning and can be extremely useful for many users.
The product is designed by
hughee