What is a Spring Pin?
A spring pin, also referred to as a tension pin or roll pin, is a mechanical fastener made from a spring steel material. It is typically slotted or coiled, which allows it to compress during insertion and exert outward pressure within the hole to maintain a secure fit.
Key Features:
Made of carbon steel, stainless steel, or alloy materials
Slotted or spiral design
Self-retaining without the need for additional fastening
Absorbs vibration and shock
Easy to install and remove
Applications:
Automotive components (gear shafts, hinges)
Industrial machines and tools
Electronics and appliances
Furniture assembly
Aerospace and marine hardware
Advantages:
High fatigue resistance
Cost-effective fastening solution
Suitable for dynamic load environments
Reusable and reliable
Types of Spring Pins:
Slotted Spring Pins
Coiled Spring Pins (Spiral Type)
Heavy-duty and light-duty options