Double end stud with nibs on flange

This screw features a rectangular head with a cup-shaped top.

a) A step shoulder pin has a shoulder, or stepped section, where the diameter changes. This creates a larger diameter at one end of the pin, forming a "step." Unlike threaded pins, these pins do not have threads along their length. They are smooth and cylindrical.

b) Step shoulder pins are used in applications where precise alignment, and secure positioning are required.

These screws are chosen for applications requiring secure fastening and precise alignment.

a.) It is a specialized screw designed for applications where a low-profile head and precise fastening are required.

b.) The groove under the collar serves various purposes, such as enhancing grip and accommodating additional components.

a.) A taper pin is a cylindrical fastener made of steel that tapers uniformly from one end to the other, with one end having a slightly larger diameter than the other.

b.) This gradual taper allows the pin to fit tightly into a tapered hole, creating a secure, frictional hold without the need for additional fasteners or adhesives.

A special double threaded screw with shoulder is a fastener designed with two distinct threaded sections and an integrated shoulder for precise positioning and alignment.