mwilkes Random Dude Joined Oct 19, 2012 Messages 58 Reaction score 33 Apr 13, 2013 #1 On my plans it says "2 holes 7 BA clear SPF 1/4 Dia" ....what does SPF mean? SPot Faced, maybe? thx
kvom Well-Known Member HMEM Supporting Member Joined Jun 4, 2008 Messages 3,285 Reaction score 630 Apr 14, 2013 #2 If the holes are to be drilled into a casting, then spotface makes sense.