Special head locking screw "Serrated screw"
No need for a seat cushion, prevents loosening with seat surface resistance!
"Screws with serrations" are products that utilize the head seat surface to meet the typical loosening prevention requirements of screws. 【Features】 ■ Improved automatic supply efficiency compared to screws with washers ■ Prevents loosening with a ratchet effect that increases resistance at the seat surface ■ Uses the seat surface to prevent loosening ■ Locks the joined materials through biting ■ No washer required ■ The shape of the serration allows for an increase in maximum tightening torque *For more details, please download the PDF document or feel free to contact us.
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For more details, please download the PDF document or feel free to contact us.
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Applications/Examples of results
■OA equipment, automotive parts, home appliances (refrigerators, washing machines, etc.) *For more details, please download the PDF document or feel free to contact us.
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We want to be of even more help to our customers. NITTOSEIKO's technology supports global manufacturing. NITTOSEIKO is a unique company that specializes in industrial fasteners (screws), automatic assembly machines, measurement and control systems, and cleaning and inspection equipment - areas not covered by other companies. We are a total fastening solutions provider, manufacturing and selling not only screws but also screw manufacturing tools, driver bits, screw tightening machines, assembly equipment, measurement instruments, cleaning equipment, and inspection equipment. Based on our expertise in fastening technology, assembly technology, and measurement technology, we have established three business divisions and a medical division to develop cutting-edge products. Our operations span both domestic and international markets, supporting the growth of various industries, including home appliances and automobiles, and contributing to the enrichment of people's lives. We will continue to create valuable products for our customers and work together with them to pioneer new frontiers in manufacturing.