Universal portable boring bar anchor assembly. This anchor kit is used to mount a portable boring bar to the cylinder block when boring cylinders. It will work with most portable boring bars like Kwik Way, Van Norman, Rottler, Lempco, Storm Vulcan and more.
Adjustment Screw Set for a Van Norman Boring bar bit holders.
Threads are 9/32 x 32 threads per inch.
Set contains 1 short, 1 medium, and 1 long adjusting screw.