Spring Pin

A spring pin is a slotted tubular fastener that holds parts together by spring pressure. It is often used instead of a solid pin or a dowel.

A spring pin holds two or more parts in line through a drilled hole. It compresses as it is driven in and grips the hole wall by spring tension. A roll pin often takes a hammer or a pin punch for fitting, and it can be removed with a punch.

This kind of pin is often made in stainless steel 304, stainless steel 316, or steel. Stainless steel grades resist rust in damp or outdoor conditions. Steel grades are common for general use.

This is a general guide to checking this kind of part. It says nothing about any supplier's parts.

Ask for a certificate of conformance if you need proof of material or dimensions. On receipt, check the pin diameter, length, and slot condition. Look for cracks or burrs.