Wohlenberg Knife Bolt (Wg5038125)

Knife bolts for Wohlenberg 76, 90, 92, 107, 115, 132, 135U, 137, 155, 165, 180, 185 & 220CM (with American screw threads).                                                                                       

(Equivalent to RIBE 2102407 and Wohlenberg WG5038125) 

Length (below washer): 0.70"
Thread: 1/2"-13

The hardened steel washer is captive on the head; it rotates in place but will not come off. It is possible to remove these with a Torx driver, however, they are designed for a Torx Plus driver.