This steel hardening technique is not taught in schools, quality TAPS hand drills

[@rt_studio.]

Keren om... bikin pabrik ngambek aja nih om😅😅😅

[@KULITEKNIK001]

😀😀😀👍👍

[@martinnorbeck4657]

What was the powder you mixed into quench water? Good job the tool worked twice without breaking.

[@TorneroRD]

Salt

[@martinnorbeck4657]

@@TorneroRD I looked it up on google and found it to be refined salt. Thankfully still an inexpensive commodity. Thsnks for your answer. I do not do much heat treating. I have some 19mm oil harden rod I might try making a punch or two. Might try to make a tap also.