(SMBB1626/SMBB2026 /SMBB2526:used on SPB26-2/3/4/5
SMBB2032/ SMBB2532 / SMBB3232 : used on SPB32-3/4/5
NOTE:SMBB2026:
"20" : width of the holder touching the lathe tool
"26" : width of cutting broad
and so on
SPB226-S :
"SPB" : cutting broad name
"SP" : one end cutting insert
"26" : width of cutting broad
"2" : width of cutting inserts
and so on )