This is a Tap Holder to be used in a drill or mill. It will ensure that you create perfect threads for the hole you just drilled.

Direction for print.

Layer height 0.2

Infill 40% or more

Print with raft if printing the 1/2in model. Also print the bottom and tip at 95% so that the model can be press fit. Need to buy a spring from the hardware store. 1/2in spring if doing the 1in model. 1/4in spring if doing the 1/2in model.

Direction for use:

After drilling a hole swap your drill bit for the tap holder. Then using a tap you put the tip inside the top of the tap and this centers the tap while appling pressure to ensure you create perfect threads.

 

Comercially available for purchase for between $15-20 and 3D printed with spring is under $2.

The Zip files contain all of the STL files and FreeCAD files for reference.