Description
Overview:
These Metric Spring Steel Roll Pins are 4mm in diameter and 40mm long, supplied in a pack of 50 for workshop and site use. Made from resilient spring steel, they are designed to compress on insertion and expand to lock, creating a secure, vibration‐resistant fastening between mating parts. Use them to locate, hinge, couple or retain components on construction machinery, garden equipment, small engines, gearboxes, and fixtures. The slotted roll pin format is widely used in shafts, hubs, levers, linkages, and guards where a reliable, compact fastener is needed without using threads or adhesives. Their dark spring‐steel finish and simple push‐fit installation make them a practical choice for repairs, assembly, and maintenance in trade, DIY, and light industrial settings.
Key Features:
- Metric size: 4mm diameter x 40mm length for common European/UK machinery
- Spring steel construction for strength, flexibility, and secure interference fit
- Slotted design compresses during installation and self-retains in the hole
- Helps resist loosening under vibration and cyclic loads
- Suitable for through-holes; can be removed with the correct roll-pin punch
- Compact, lightweight fastener that does not require threads or nuts
- Clean, dark spring-steel finish for general mechanical and workshop use
- Ideal for aligning parts, creating pivots, and locking collars, gears, and pulleys
- Cost-effective bulk pack of 50 for maintenance teams and regular users
- Simple to install with hand tools; no specialist fixtures needed in most cases
Typical Applications:
Commonly used to secure gears to shafts, position sprockets and pulleys, create hinge points in linkages, retain pins in pedal assemblies, and fasten guards or brackets. Useful on lawn mowers, compactors, generators, pumps, mixers, and general workshop jigs and fixtures. Suitable for routine maintenance, rebuilds, and new assemblies where a reliable, space-saving fastener is required.
Also known as:
Often referred to as tension pins, slotted spring pins, coiled spring pins, spiral pins, self‐retaining pins, and spirol pins. You may also hear terms like compression pins or spring dowels when used for alignment and locating duties in mechanical assemblies.
Product Specifications
| L&S Part No. | 903 1463 |
|---|---|
| Unit of Sale | Pack of 50 |
| Key Features | - Metric size: 4mm diameter x 40mm length - Spring steel construction for secure interference fit - Slotted design compresses and self-retains in holes - Resists loosening under vibration and cyclic loads - Pack of 50 for maintenance and regular use |
