bob ward
26th Apr 2017, 07:54 PM
I've been asked to drill and tap 2 x M4 through holes on this rifle, about where the small screw and nut are in the crappy photo. I don't want to start unless I know I can do it with a standard HSS drill and tap.
How hard or tough is the steel?
Thanks in advance.
http://i237.photobucket.com/albums/ff28/sirrobertthegood/IMG_0121_zpsvhx617t6.jpg (http://s237.photobucket.com/user/sirrobertthegood/media/IMG_0121_zpsvhx617t6.jpg.html)
How hard or tough is the steel?
Thanks in advance.
http://i237.photobucket.com/albums/ff28/sirrobertthegood/IMG_0121_zpsvhx617t6.jpg (http://s237.photobucket.com/user/sirrobertthegood/media/IMG_0121_zpsvhx617t6.jpg.html)