International Association of Penturners - View Single Post - tooling for threading
View Single Post
Old 05-06-2018, 10:09 AM   #10 (permalink)
More4dan
 
More4dan's Avatar
 
Join Date: Mar 2016
Location: Katy, TX
Posts: 991
Photos: 5

Default

I use either W1 or O1Tool steel (drill rod). See this link: Making your own specialty taps. Bock 5 mm


Sent from my iPad using Penturners.org mobile app
More4dan is offline   Reply With Quote Top