Spring Pins
High-Precision Spring Pins for Heavy-Duty Suspension Systems
Our spring pins are manufactured to exacting standards using premium steel grades. Designed for demanding suspension applications in commercial vehicles, these pins provide reliable performance under extreme loads and harsh operating conditions.
Material
EN8 / EN9 / SAE 5160
Finish
Zinc Plated / Phosphate / Black Oxide
Hardness
28-32 HRC
Tolerance
±0.025mm
Applications
Trucks
Trailers
Buses
Tractors
Quality Certified
Custom Available
Full Documentation
Technical Specifications
Material
EN8 / EN9 / SAE 5160
Finish
Zinc Plated / Phosphate / Black Oxide
Hardness
28-32 HRC
Tolerance
±0.025mm
Additional Details
Heat Treatment
Induction Hardened / Through Hardened
Surface Finish
Ra 1.6 or better
Thread Type
ISO Metric / UNF as required
Testing
100% Dimensional + Hardness Check
Available Sizes
Standard sizes available. Custom dimensions on request.
| Part Number | Diameter | Length | Thread | Weight |
|---|---|---|---|---|
| SP-020 | Ø20mm | 100–180mm | M20×1.5 | 0.25–0.45 kg |
| SP-025 | Ø25mm | 120–200mm | M24×1.5 | 0.40–0.65 kg |
| SP-030 | Ø30mm | 140–250mm | M27×2 | 0.55–0.95 kg |
| SP-035 | Ø35mm | 160–280mm | M30×2 | 0.75–1.30 kg |
| SP-040 | Ø40mm | 180–320mm | M36×2 | 1.00–1.80 kg |
| SP-050 | Ø50mm | 200–400mm | M42×2 | 1.50–2.80 kg |
| SP-060 | Ø60mm | 250–450mm | M48×2 | 2.20–4.00 kg |
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CNC precision machined
Heat treated for optimal hardness
Multiple coating options
Custom lengths available
OEM & aftermarket supply
Full traceability
Primary Applications
Vehicle Types
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