Coiled spring pin

solidbarbedaluminum

SPIROL supplies a range of pins engineered for plastic assemblies, including Coiled Spring Pins and specialized retention pins such as the Press‑N‑Lok™ Pin and LP500 Latch Pin for Plastics. These components enable hinge, latch, alignment and retention functions in plastic housings and structural parts.

PIN TYPES AND FEATURES

Light Duty Coiled Spring Pins
Recommended for soft, brittle or thin materials such as plastics, aluminium, die castings and ceramics, light duty Coil Pins require lower insertion force and are suitable for applications where holes are near edges. They are commonly used for alignment and low-load axle applications. SPIROL also offers Coiled Spring Pins in standard and heavy duties to enable the designer to select the right combination of strength, flexibility and diameter to suit different host materials, strength requirements and loading types.

Series 500 Extra Light Duty Coiled Pins
The Series 500 Extra Light Duty Coiled Pins were specifically designed for use in soft or fragile materials. The 1½ coil formation ensures that the radial force exerted against the hole wall does not exceed the strength of the hole material to prevent deformation. These pins are also an economical solution where pin strength is not a major design consideration. Typical applications for Series 500 Extra Light Duty Pins include: hinge pins in plastic or ceramic assemblies, alignment pins, and fastening applications where the hole is close to an edge of an assembly component.

Within the family of the Series 500 Extra Light Duty Coiled Pin, is the Series 550 Cosmetic Coiled Pins designed specifically for use in Cosmetic Cases.

Press‑N‑Lok™ Pins for Plastics
SPIROL's Press-N-Lok™ Pins are designed to permanently retain two plastic components together. The pins feature opposing raised barbs on each end that are angled backward, opposite the direction of insertion. As the pin is inserted, the plastic backfills into the area around the barbs, resulting in maximum resistance to axial force and providing a secure, tamper resistant assembly. Press-N-Lok™ Pins are manufactured from lightweight, lead free, corrosion resistant aluminum and are available in diameters from 2 mm to 4 mm.

LP500 Latch Pins for Plastics
SPIROL's Series LP500 Latch Pins for Plastics are designed with a barb located under the head with a barb length equal to the width of the outermost section of the assembly. The remaining length of the LP500 Latch Pin is smooth without any other retention features. This allows the LP500 Latch Pin for Plastic to easily align and freely install through all of the holes with a plastic assembly until the barb makes contact with the final hole to securely lock the pin in place. Once fully installed, the handle will pivot freely around the non-barbed end of the stationary pin. The head prevents the LP500 Latch Pin from being over-installed, and enables the pin to be mechanically oriented for automatic installation. Manufactured from lightweight, lead free aluminum, SPIROL's LP500 Latch Pins for Plastics are available in three standard diameters: 3mm, 4mm and 5mm.

Pin Installation Technology
SPIROL offers Pin Installation Equipment from manual presses to fully automated modules with fixturing, statistical process control and error‑proofing to ensure repeatable, high-quality assembly of pins in plastic components.