Technology / product information

PC/OH is a round countersunk head screw made from polycarbonate (PC), designed and manufactured by Nippon Chemical Screw Co., Ltd.
This high-performance resin fastener combines transparency, electrical insulation, light weight, and non-magnetic properties, making it ideal for electronic devices, medical instruments, optical systems, and food or chemical processing machinery — where the use of metal components is restricted due to magnetism or corrosion concerns.


■ Key Features
- Rounded countersunk head design fits smoothly on curved or soft materials
- High transparency for visual inspection or aesthetically sensitive applications
- Excellent electrical insulation, ensuring safety in electronic assemblies
- Lightweight, non-magnetic, and rust-free, ideal for MRI and cleanroom environments
- Superior chemical and heat resistance, suitable for food machinery or laboratory use
- Made from RoHS2-compliant materials, environmentally safe and free from hazardous substances
- Flame retardancy:

- UL94 V-2 (standard transparent type)
- Equivalent UL94 V-2 grade (white and black types)


■ Sizes & Specifications
- Thread size (M): M3, M4
- Pitch: 0.5 – 0.7 mm
- Head diameter (D): 6 – 8 mm
- Length (L): 5 – 25 mm

📥 For detailed torque data and material specifications, please refer to the catalog.
🔗 Catalog download: [https://prime.nc-net.com/83120/ja/catalog/request/8042]


■ Recommended Applications
- ⚡ Electronics: fastening circuit boards or insulated components
- 🏥 Medical equipment: suitable for non-magnetic and MRI-compatible devices
- 🔬 Optical instruments: transparent design preserves functionality and visual clarity
- 🚗 Automotive components: ideal for lightweight, corrosion-free assemblies
- 🍽️ Food and chemical machinery: provides clean, chemical-resistant fastening


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

Nippon Chemical Screw Co., Ltd. is a Japanese manufacturer specializing in engineering plastic fasteners that offer light weight, corrosion resistance, and electrical insulation.
With over 60 years of expertise and a product lineup exceeding 3,000 items, the company provides high-quality resin screws through a fully integrated in-house production system in Japan — from mold design and injection molding to quality inspection.

> Company Highlights

- Trusted across key industries: medical, electronics, food, chemical, and automotive
- All products made from RoHS2-compliant materials
- 100% manufactured in Japan under strict quality control
- Global distribution covering Japan, Asia, Europe, and North America


📩 For detailed information or quotation requests, please contact us below.


Updated: 2025-10-07


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