We offer high-precision ball spring plungers designed for repeatable locating and indexing in automated fixtures. As an experienced supplier, I ensure every unit delivers consistent preload, smooth action, and long life under vibration and impact. Made from stainless steel with hardened springs, our ball spring plunger resists corrosion and maintains accurate detent positions across temperature ranges. Available in many thread sizes and ball diameters to fit your fixture, CNC, or mold tool. Order online or contact us for custom coatings or seals. Buy with confidence from a reliable Exporter who understands industrial demands. Whether you’re assembling automation lines or maintaining jigs, these plungers deliver fast setup and reliable performance in busy production. We stand behind our products with clear datasheets, prompt lead times, and support for OEMs and distributors. Let's discuss your exact spec and I’ll tailor the right ball spring plunger for your application.
Ball spring plungers are compact, high-precision components used to locate, index, and hold parts in fixtures and automation lines. To guarantee peak performance, select designs with precise machining, durable materials, and corrosion-resistant finishes. Options include stainless steel bodies, hardened pins, and tailored preload, stroke, and seating depth to suit your application. Built to withstand vibration, impact, and temperature changes, they deliver repeatable seating force with minimal backlash for smooth, reliable cycles. Global buyers benefit from strong quality controls and traceability at every stage, plus testing that mimics real-world use. Custom features fit both metric and imperial interfaces, with flexible lead times and scalable MOQs. Compliance with ISO 9001 and RoHS is standard, and packaging and logistics are optimized to protect parts in transit. Whether for automotive, electronics, or automation equipment, these plungers promise consistent performance, easy integration, and dependable supply.
| Product ID | Material | Body Ø (mm) | Ball Ø (mm) | Thread Size | Stroke (mm) | Load Rating (N) | Operating Temp (°C) | Surface Finish | Tolerance | IP Rating | Mounting Type | Certification | Country of Origin | Warranty (yrs) | Application | Notes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PBP-001 | Stainless Steel 304 | 6 | 3 | M4 | 2 | 40 | -20 to 100 | Passivated | ±0.05 | IP40 | Through-hole | ISO 9001 | China | 2 | Linear actuator, precision assembly | High-precision deflection for automation |
| PBP-002 | Stainless Steel 304 | 8 | 3 | M4 | 3 | 60 | -20 to 120 | Electro-polished | ±0.05 | IP54 | Through-hole | RoHS | USA | 5 | High-load fixtures | Suitable for demanding automation environments |
| PBP-003 | Stainless Steel 316 | 10 | 4 | M5 | 4 | 80 | -40 to 130 | Passivated | ±0.04 | IP54 | Blind | ISO 9001 | Germany | 3 | Medical device assembly | Salt spray resistant |
| PBP-004 | Alloy Steel | 6 | 3 | M3 | 2 | 30 | -10 to 90 | Black Oxide | ±0.08 | IP40 | Through-hole | ISO 9001 | Japan | 2 | General automation | Budget-friendly option |
| PBP-005 | Brass (CuZn15) | 12 | 5 | M6 | 5 | 70 | -20 to 110 | Electro-polished | ±0.05 | IP54 | Through-hole | RoHS | China | 2 | Packaging machinery | High corrosion resistance at contact points |
| PBP-006 | Stainless Steel 316 | 8 | 4 | M4 | 4 | 50 | -30 to 110 | Passivated | ±0.04 | IP54 | Blind | ISO 9001 | USA | 3 | Robotics grippers | Deep threaded variants available |
| PBP-007 | Stainless Steel 304 | 10 | 3 | M4 | 2 | 20 | -15 to 85 | Electro-polished | ±0.05 | IP40 | Through-hole | RoHS | Germany | 5 | High-speed indexing devices | Low-stiffness spring for speed |
| PBP-008 | Alloy Steel | 6 | 2 | M3 | 2 | 25 | -20 to 80 | Black Oxide | ±0.06 | IP40 | Through-hole | ISO 9001 | China | 1 | General-purpose | Economy grade |