Shoulder Bolt Application. Shoulder screws are often used in punch and die mechanisms or plastic injection mold sets. With a hex socket at the tip as well as the head you can fasten these shoulder screws from the tip when the head cannot be reached.
Once fastened they resist loosening from counterclockwise motion. Left hand threaded shoulder screws tighten these shoulder screws by turning them to the left. These screws are also used to attach stripper plates.
They are used to insulate screws wire or any other part from the rest of assembly.
Shoulder bolts or stipper bolts have a very unique form of measuring and usage compared to other fasteners. A custom shoulder bolt still falls into the commonly accepted 80 to 85 yield strength. Shoulder bolts or shoulder screws have a long unthreaded cylindrical shoulder that allows for the rotation of attached parts like pulleys gears moving parts of engines and mechanical assemblies and rolling wheels. Shoulder bolts or stipper bolts have a very unique form of measuring and usage compared to other fasteners.