Offered here is a New Adjustment Screw Set for a Van Norman Boring bar bit holders.

Threads are 9/32" x 32 threads per inch (TPI)

Set contains 1 short, 1 medium, and 1 long adjusting screw.

These fit OEM Van Norman Boring Bar Bit Holders as well as our BEAM Gen II Indexable Style Bit Holders for Van Norman 944/s and 777/s Boring Bars.