Seybold Knife Bolt – B42 (1/2-13 thread)

Bolts for very early Seybold paper cutters. It is the same as our part number B41 EXCEPT it has a 1/2-13 thread. (Our B41 bolt has a 1/2-12 thread pitch.) This square head knife bolt is fitted with an integral washer. The washer rotates on the bolt but is not removable. This bolt measures 25/32″ long below the washer. The square head measures 5/8″ across the flats. The steel washer is 1/8″ thick and measures 1-1/8″ in diameter. A screwdriver slot is provided in the threaded end. Use our knife bolt “T” wrench part number W78 for these bolts.

Made in USA.


Collection Knife Bolts