We make our own boring bars.   We have sizes that vary from 1/4" shank to 1-1/2" shank.  Some of the main sizes are listed below.   We always have them in stock. 

-1/4" shank take CDCD Insert.  Many Different lengths. 
-5/16" shank take CCMT #2 insert.  With and without Coolant.   Many different lengths.  
-3/8" shank take CCMT #2 insert.   With and without Coolant.  Many Different lengths. 
-1/2" shank take CCMT #2 & #3 insert. Both with and without coolant. Many Different Lengths. 
-5/8" shank take CCMT #3 insert.   With and without coolant.  many different lengths.
-3/4" shank take CCMT #3 insert.   With and without coolant.  many different lengths.
-1" shank take CCMT #3 insert.   With and without coolant.  many different lengths.


-3/8" & 1/2" shank take a TCMT 21.51 insert.  Standard Length 
-3/8" & 1/2" shank take a DCMT 21.51 insert. standard length

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