Slotted Spring Pins for Industrial Fastening, Alignment and Retention
Make the sourcing decision by assembly function first
If your assembly needs a pin that can retain itself in the hole, hold parts under vibration or dynamic load, and allow quick installation, slotted spring pins are a suitable fastening and alignment option. At JLHY, we help you specify these hollow, slotted cylindrical pins according to the required standard, material, diameter, length and finish instead of treating them as a generic fastener.
Slotted spring pins are designed with an outer diameter in the free state that is slightly larger than the mating hole. After insertion, the spring action helps secure the mating parts. This makes them useful where the design requires retention, alignment or fastening without relying only on a solid pin fit.
Specification points procurement teams should confirm
- Standards: GB / T 879, ISO 8752, DIN 1481 / DIN EN ISO 8752, ASME B18.8.2 / B18.8.4M.
- Materials: spring steel high carbon, stainless steel such as 302/304, and 420 stainless steel.
- Diameter range: 1.5 mm up to approximately 12 mm.
- Length: multiple lengths can be selected to suit hole depth and design.
- Outer diameter: free-state diameter is slightly larger than the mating hole to create a tight fit after insertion.
- Ends: 1/2 chamfered.
- Finish: available in multiple finishes to match application requirements.
For a clear quotation, send us the standard, material grade, diameter, length, finish, drawing or part reference, and any special packing instructions required by your receiving process.
Where these pins are typically used
We supply slotted spring pins for mechanical assemblies where quick installation, alignment and self-retention are required. Common applications include hinge pins, locating and alignment pins, fastening and retention pins, shaft-to-hub connections, automotive assemblies and machinery assemblies.
The spring force retention helps hold components together under vibration or dynamic loads. The shear resistance is comparable to solid pins of similar diameter, and the spring effect can accommodate some variation in hole tolerance. These points are especially relevant when buyers are comparing slotted spring pins with solid pins or other retaining components during technical evaluation.
Customization within the available product range
At JLHY, we can match slotted spring pin requirements by selecting from the available standards, materials, sizes, lengths and finishes listed for this product. For stainless steel or spring steel selection, your application environment and assembly load conditions should be included in the inquiry so we can align the quotation with the intended use.
If your purchasing team works from drawings, please include hole size, required pin diameter, overall length, material, finish and applicable standard. If the part is being used for a replacement program, a current sample or existing specification can also help confirm the correct match.
Packing and quotation details to prepare
Packing method, order quantity, delivery terms, lead time and price are not specified in the available product facts, so we do not state them here as fixed conditions. For RFQ preparation, you can send us your packing preference, shipment marking requirements and quantity breakdown together with the technical specification.
This keeps the quotation process focused on what industrial buyers need to compare: standard compliance, material selection, size confirmation, finish requirement and intended application.
Send JLHY your slotted spring pin inquiry
At JLHY, we work with importers, distributors, wholesalers, procurement teams, contractors and industrial buyers who need slotted spring pins for fastening, alignment and retention applications. Share your drawing, standard, material, diameter, length, finish and quantity requirements, and we will review the specification for quotation.