Thread: Finally etched my gunong
View Single Post
Old 1st August 2009, 06:38 PM   #3
kronckew
Member
 
kronckew's Avatar
 
Join Date: Mar 2006
Location: Room 101, Glos. UK
Posts: 4,215
Default
Quote:
Originally Posted by Battara
Looks more like differential heat treatment.

which is one of the ways to get a hardened edge.
kronckew is offline   Reply With Quote