Bolt, Shoulder

Specialized bolt found on numerous machines. The bolt is often found at the end of the lathe lead screw drive shaft or in the change gear assembly as a primary gear retaining bolt.
In your instruction manual, this part appears on the parts list as:

Sensitive Drill Feed and 1/8" (3 mm) Keyless Drill Chuck
Tool Bit, 5/16" x 2-1/2", M2 HSS
