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Slotted Spring Pins

SPIROL Standard Slotted Spring Pins

SPIROL Standard Slotted Spring Pins have a slot width narrower than the wall thickness and thus do not nest or interlock. This feature, combined with a smaller expanded (pre-insertion) diameter, results in a number of advantages for SPIROL Standard Slotted Pins compared to ISO 8752 pins including:

  • Lower insertion force and smoother insertion.
  • Rounder pins, which in turn results in better conformance of the pin to the hole wall and eliminates the edge of the slot damaging the hole during insertion.
  • Lower stress in the spine of the installed pin. This results in longer pin life in shock or fatigue applications.
  • Ability to use automatic vibratory feeding of pins for installation without interlocking.
  • Plating of pins for additional corrosion resistance or appearance without “touch marks” or the bonding of nested pins.

SPIROL Standard Slotted Pins can be certified to ASME B18.8.4M (metric) and ASME B18.8.2 (inch). However, the SPIROL Standard Slotted Spring Pin offers enhanced benefits over the ASME specifications in that the pin is rounder, has a better chamfer configuration and end condition.

Application Engineering Assistance: If you would like assistance in selecting the proper diameter and duty Slotted Spring Pin for your assembly, please Request Engineering Support! We are here to help!

Shop Our SPIROL Standard Slotted Pins: For small quantities, click the Shop Now button below. For larger quantities or custom requests, please Request a Quote and one of our team members will get back to you quickly!

(Meets or exceeds ASME B18.8.4M)

SPIROL Standard Metric Sizes

SPIROL Standard Metric Slotted Spring Pins range in diameter from 1.5mm up to 12mm, and are available in high carbon steel, 302/304 austenitic stainless steel and 420 martensitic stainless steel. These pins meet or exceed ASME B18.8.4M specifications.

(Meets or exceeds ASME B18.8.2)

SPIROL Standard Inch Sizes

SPIROL Standard Inch Slotted Spring Pins range in diameter from .062" (1/16) up to .500" (1/2), and are available in high carbon steel, 302/304 austenitic stainless steel and 420 martensitic stainless steel. These pins meet or exceed ASME B18.8.2 specifications.

Additional Slotted Spring Pin Types

Customisable Solutions

If you are unable to find the Slotted Spring Pin in the diameter, length, material, or finish that you require within our standard offering, or if you are unsure what Slotted Spring Pin is most appropriate for your assembly, Request Technical Support from our team and we will help you find the most cost-effective solution for your application.

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Your Total Assembly Solution

Installation Technology for Pins

In addition to a comprehensive line of engineered components used for joining and assembly, SPIROL also offers a full range of Pin Installation Equipment designed to facilitate cost-effective and high quality assembly of your products. Our installation solutions range from manual machines to fully automatic work cells with statistical process control and error-proofing options. We are the only company of our kind that offers the total integrated solution.

Explore Pin Installation Equipment

Local Design, Global Supply.

SPIROL has Application Engineers throughout the world to assist you in your designs, supported by state-of-the-art manufacturing centers and worldwide stocking facilities to simplify the logistics of delivering your product.

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