Coiled Spring Pins

Coiled Spring Pins, Spiral Spring Pins, or just SPIROL Pins are self retaining engineered fasteners developed by the SPIROL Corporation in 1948. Spiral pins are manufactured by roll forming metal strip into a spiral cross section of two to three coils. The body diameter is larger than the hole and they have chamfered ends to ease starting the pin in the hole.

Coiled Spring Pins Diameters

Coiled Spring Pins are available on the FCH Network with Imperial/US diameters that range from #0 to 6 and with Metric diameters that range from M1 to M16. The length of Coiled Spring Pins is usually measured from the point to the underside of the head.

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Coiled Spring Pins Materials

Coiled Spring Pins are available on the FCH Network in materials that range from Steel to Plastic

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Coiled Spring Pins Finishes

Coiled Spring Pins are available on the FCH Network in finishes or coatings that range from Plain to Phosphate

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