Chandler & Challenge Knife Bolt – B56
Knife bolts for Chandler Price Paper Cutters and some Challenge Paper Cutters, including the Challenge Diamond paper cutters from serial number 20001 to 28016. (S645 V thread, Challenge bolt part number S-645, Challenge washer part number S-353, and Challenge part number 6708)
This steel hex head bolt has a 1/2-12 thread. It measures 13/16″ long below the washer. The hex head measures 3/4″ across the flats. The steel washer is captive; it rotates but does not come off. The steel washer is .11″ thick and measures 1-3/8″ in diameter.
These bolts also fit older (pre 1950) Pavyer table top paper cutters.