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Special Screws

Laser engraving service

For customers who want to engrave operation procedures or marks on handles or levers，etc

Various marks and letters are laser-engraved on NBK products. 

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Property of Special Material Screws

This page describes "Properties of Special Material Screws" such as ceramic, nickel, aluminum, molybdenum, Inconel, Hastelloy and phosphor bronze.

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Plastic Screw Property

This page describes "Plastic Screw Properties" such as PEEK, PTFE (Teflon), PPS, PC (polycarbonate) and PP (polypropylene).

Screw combination service

For customers who want to change the threaded portion of a lever or knob

Have your chosen screw delivered attached to a lever/knob female screw product!

Captive Processing Service

For customers who want to prevent screws from falling off

We can add relief-cut treatment to screws to prevent them from falling off.

Vibration Resistant Treament Service

For customers who want to prevent screws from loosening

We will coat screws with microcapsules containing an adhesive agent to prevent loosening.

Cleanroom Wash / Cleanroom Packing Service

For customers who want to remove impurities and dust from the surface of products

We will cleanroom wash and cleanroom pack products as desired.

Screw Length Adjustment Service

For customers who require screws of non-standard lengths

We can cut screws to your preferred length in 1 mm increments.

Small screws are required 【Compact / lightweight】

Introducing a rich lineup of miniature screws and precision screws.

Screws with high strength are required even in environments where steel cannot be used 【Compact / lightweight】

Introducing screws using stainless steel/titanium screws with strength equivalent to steel for space and weight saving.

Screws must be protected from chemicals 【Energy-saving / reduced work-hours】

Introducing screws with excellent chemical resistance and screws with head coatings.

Screws in places unreachable by hand need to be tightened 【Workability / maintenance】

Introducing a product for holding screws with excellent workability.

Countermeasures for screw loosening are required 【Safety / precautionary measures】

Introducing washers that prevent screw loosening simply by combining with commercially available hex nuts.

Theft / tampering countermeasures are required 【Safety / precautionary measures】

Introducing case studies using components that cannot be removed with commercially available tools for use as theft/tampering countermeasures.

Stainless steel screws must be prevented from galling / seizing 【Workability / maintenance】

Introducing screws with a surface treatment that prevents seizing.

Removing stripped screws 【Workability / maintenance】

Introducing a product with excellent workability that can remove damaged screws.