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1/8 x 1/4 Tension Pin (Slotted Spring Pin) is a hollow, headless spring pin with a slot running along its length. In search and purchasing records, this part may be called a tension pin, slotted spring pin, or roll pin. The pin OD is intentionally larger than the recommended hole before insertion, and the slot gives the diameter somewhere to close during driving.

In handles, knobs, and control levers, the headless form keeps the joint compact after installation. Where stainless material and precision location are both required, 18-8 Stainless Steel Standard Dowel Pins may fit the drawing better.

Cold Headers supports hard-to-find pin sourcing, including uncommon lengths and exact diameter-length combinations. Review the verified OD, hole-size, shear, and length-tolerance data before matching this pin to a drawing or service record.

Technical Highlights

  • Nominal Diameter: 1/8 in.
  • Length: 1/4 in. +/-0.015 in.
  • Pin OD Before Insertion: 0.135 / 0.131 in. (max/min)
  • Recommended Hole Size: 0.129 / 0.125 in. (max/min)
  • Min Double Shear: 1,875 lbs
  • Material: Spring Steel (cold rolled, hardened and tempered)
  • Ends: Chamfered both ends
  • Style: Slotted (also called spring pin / roll pin)
  • Dimensional Standard: ASME B18.8.2

Call 773-775-7900 or email Sales@coldheaders.com for pricing, availability, or a quote.

Unit of Measure

Specifications

Brands

 N/A Cold Headers, Inc.

Diameter

 N/A 1/8 in

Length

 N/A 1/4 in

Quantity

 N/A 1000

Package Type

 N/A Bulk

Search

 N/A TP.1/8.1/4

Addtional Information

Addtional Information

 N/A They are self fitting in varying size holes and in out of alignment applications.