Omitting the installation of washers! Improved workability with screws that come with built-in resin washers.
"POLIS" is a screw that comes with a pre-installed resin washer. The screws, which have completed surface treatment, are manufactured by pressing them into a resin washer and inserting them with a screwing rotation. This eliminates the need for washer installation, improving work efficiency. It is also used to prevent scratches on the counterpart material and enhance corrosion resistance. 【Features】 ■ Eliminates the need for washer installation ■ Improves work efficiency ■ Prevents scratches on the counterpart material ■ Enhances corrosion resistance ■ Reduces overall costs *For data and material requests, please feel free to contact us through the Yamashina website: http://www.yamashina.ne.jp/
Inquire About This Product
basic information
[Related Products] ■ Tapping fasteners for thin plates / Tapping fasteners for metal "Wiz" *For data and material requests, please feel free to contact us through the Yamashina website http://www.yamashina.ne.jp/
Price range
Delivery Time
Applications/Examples of results
【Usage】 ■ Fastening that requires resin washers * For data or material requests, please feel free to contact us through the Yamashina website: http://www.yamashina.ne.jp/
Company information
Established in 1917, during the dawn of mass production of screws in Japan, the company succeeded in producing the first domestic cross-recessed screws in 1949 and cooperated with the government to localize tapping screws in 1954. The company holds data on over 200,000 types of screws and bolts, enabling the high-quality manufacturing of various shaped products. Recently, it has focused on investing in research and development, working on tapping bolts with a diameter of 6mm or more, high-strength aluminum bolts, tapping screws for thin steel plates, and tapping screws for CFRP, which will support the next generation. The company is committed to innovative technological development without being bogged down by history.