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Spring plungers are essential precision fasteners for high-precision manufacturing and industrial automation, featuring an integrated SUS304 stainless steel body with a built-in high-elastic SUS304 spring and ball/pin tip. This design delivers stable pressure and consistent positioning, eliminating complex spring assembly and preventing spring displacement under pressure/vibration. Ideal for industrial clamping, indexing, latching and ejecting, it boosts mold and fixture stability and production efficiency.
0.5-3mm tip projection engineered with minimal error, ensuring no cumulative positioning deviation across repeated cycles.
HRC55+ case-hardened tip structure paired with an optional nylon lock thread for demanding, high-frequency vibration environments.
Complete SUS304 construction specifically developed for humid and corrosive environments, maintaining stability from -30℃ to 150℃.
Engineered in light/heavy load options, with threaded (slotted/hex) and press-fit mounting capabilities using standard workshop tools.
Fully customizable tip projection height, spring preload force, metric/imperial thread dimensions, and total body length.
Full SUS304 integrated design with industrial-grade raw materials, paired with high-strength bearing steel pins. Tips have four options: bearing steel (HRC55+ wear resistance), SUS304 (general corrosion resistance), ceramic (non-conductive/high hardness), and nylon (scratch-proof). Full-process CNC machining and multi-level inspection ensure consistent performance and zero individual quality differences.
Perfect for mold core reset, stamping die guidance, and workpiece clamping – helps reduce product burrs and improve quality.
Used for indexing positioning and buffer stopping on production lines, supporting 24/7 non-stop operation.
Meets automotive-grade vibration and temperature requirements – ideal for seat adjustments and sensor fixing.
Complies with cleanroom standards, so it’s safe for precision positioning in medical devices.
Install with matched mounting type/standard tools, avoid over-torquing; add thread inserts for soft bases and ensure vertical, burr-free mounting holes. Custom products include dedicated manuals and technical guidance. Quality assurance covers 100% pre-shipment testing, 500,000 compression cycles (≤5% preload attenuation), salt spray corrosion resistance, RoHS2.0 compliance, one-stop customization with sample confirmation, and 24/7 after-sales support (free non-human damage replacement).
Full SUS304 parameter customization (standard/non-standard), shorter lead times via dedicated production lines and raw material inventory, consistent quality with standard products, and one-on-one technical matching by mold/fixture experienced engineers to avoid blind customization and ensure perfect application fit.
We provide four tip material options: bearing steel (HRC55+ for maximum wear resistance), SUS304 stainless steel (for broad corrosion resistance), ceramic (non-conductive and ultra-hard), and nylon (scratch-proof for sensitive surfaces).
Manufactured with full SUS304 integrated bodies and high-elastic stainless steel springs, our spring plungers perform reliably across extreme temperature conditions from -30℃ to 150℃.
Each plunger is tested to endure at least 500,000 compression cycles with preload force attenuation limited to ≤5%, ensuring stable positioning accuracy without spring fatigue or displacement.
Yes. We offer complete parameter customization including tip projection stroke (0.5–3mm), initial and final spring preloads, thread sizing/drive types (slotted, internal hex), and overall component body lengths.
For high-frequency vibration and heavy-load settings, we offer optional nylon thread locking elements along with case-hardened contact pins to ensure secure retention and prevent backing out.
Always use standard matched tools to avoid over-torquing. For soft alloy or plastic fixture bases, thread inserts are recommended. Mounting holes must be vertical and free from internal burrs.
