Product Description
Hand Crank Knob for Van Norman 777 777-S Portable Boring Bar
Boring Bar Handle knob for Van Norman 777, 777-S, 777-S4, and will also fit the Peterson PK-447.
This is a bolt on style knob to replace the press fit in knob.
It will fit in a handle with a 5/16" (.312) mounting hole and threads are 5/16 x 24 tpi .
MADE IN THE USA
* The Knob is Stainless Steel
Van Norman Part Number 8447
Peterson Part Number VN-08447
