step drill box
di Terminus
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Descrizione
I bought a step drill set on sale at Harbor Freight. It did not include a protective pouch, so I made this box.
The fit between top and bottom is designed with zero-clearance, so it's very tight.
Work them back and forth, or use some sandpaper or a file, until the fit is a snug, sliding fit.
The fattest drill is 3/4 inch maximum, and the other two are 1/2 inch. Item #91616 or search Harbor Freight step drills.
The set required 40 grams ABS and about 100 minutes. 0.3mm Z with a raft. Metric versions provided.