Achieving significant efficiency improvements in screw tightening operations!
The "Z Bit" significantly improves the efficiency of screw tightening operations. 【Product Features】 ■ New design minimizes stress concentration at the bit tip, achieving remarkable longevity of the bit. ■ By increasing the engagement depth with the cross hole, it prevents bit breakage and chipping, greatly enhancing durability. ■ Due to its high-precision design, the clearance with the cross hole is minimized, improving torque transmission efficiency. ■ It fits securely with the cross hole, making it suitable for recycling tasks such as disassembly and dismantling. ■ By reducing cam-out, it lessens the burden on the hand during tightening. *For more details, please refer to 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.









