Technology / product information

PC/SW is a polycarbonate (PC) washer designed for small screws used in precision assemblies.
It provides high fastening reliability, helping to prevent loosening and enhance tightening strength.
The transparent, lightweight, and insulating properties of polycarbonate make it ideal for use in electronic devices, medical instruments, and analytical systems that demand cleanliness, safety, and stability.


■ Key Features
- Prevents loosening of screws and increases fastening stability
- Transparent design: enables easy visual inspection, ideal for cleanroom or medical use
- Lightweight construction: reduces mechanical load on devices
- Electrical insulation: suitable for high-safety electrical and electronic applications
- Heat resistance: continuous operation up to 115°C
- Flame retardancy: compliant with UL94 V-2 (transparent model); white/black models are equivalent
- RoHS2 compliant: made from environmentally safe materials free of hazardous substances
- Made in Japan: precision-manufactured under strict quality standards


■ Sizes & Specifications
- Dimensions (d×D): 2.8×8 – 5.5×13 mm
- Thickness (t): 0.5 – 1.0 mm
- Applicable screw sizes: M3, M4, M5, M6
- Standard color: Transparent (white available upon request)
- Minimum order quantity: 1,000 – 5,000 pcs (depending on size)

📌 Note: Some sizes may be made-to-order or have specific MOQ requirements.
📥 Catalog download: [https://prime.nc-net.com/83120/ja/catalog/request/8042]


■ Recommended Applications
- ⚡ Electronics: fastening circuit boards, modules, and precision components
- 🏥 Medical equipment: non-magnetic, hygienic components for sterile environments
- 🍼 Food and lab analysis systems: prevents metallic contamination in testing setups
- 🎓 Precision instruments: maintains stability under vibration and repetitive use


■ About the Manufacturer｜Nippon Chemical Screw Co., Ltd.

Nippon Chemical Screw Co., Ltd. is Japan’s leading manufacturer of engineering plastic fasteners, delivering high-quality resin-based components for over 60 years.
With a product lineup of over 3,000 variations, the company offers fully integrated in-house production — from mold design to injection molding — ensuring consistent precision and reliability trusted worldwide.

> Company Highlights

- 100% manufactured in Japan
- Expertise in materials such as PC, PEEK, PTFE, PPS, and others
- Global supply network across Asia, Europe, and North America
- Proven reliability in electronics, medical, and precision industries


For more information, please contact us below or download the catalog for technical details.


Updated: 2025-10-07


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