4-1/2x30t aluminum miller blade part # sk4-1/2-30tcg
for back gouging aluminum when welding. Leaves a clean "u" shaped channel.
used for milling, clean up and grooving of aluminum welds and cutting out welding tacks.
used mainly in the marine industry in a hand held grinder.
these are custom made by skookum tools to industry specifications. May be sharpened many times.
aluminum back gouging.
7/8" arbour hole
30 carbide teeth
triple chip ground
3. 9mm kerf thickness (. 156" width)
body. 136" thick
back gouging is the removal of weld and base metal by arc gouging or grinding from the other side of a partially welded joint to assure complete fusion and penetration upon subsequent welding from that side.
other names this tool is known by are: the skookum, meat axe, meat eater, lethal, miller, back groover, aluminum groover , back gouger, aluminum gouger.