[Information] "Basics of Screws - Let's Learn About Screw Parts, Names, and Dimensions"
Do all screw shapes have meaning?! We will introduce the basic knowledge of screws in an easy-to-understand manner.
This document explains various parts and names of screws, as well as their dimensions, using illustrations and photographs. If you have any issues related to screws, please feel free to consult with us, a company with world-class screw production capabilities. 【Contents (partial)】 ■ Parts of a screw ■ Names of screws ■ Commonly used names and dimensions * On this page, you can also download the document "Knowledge of Screws - About Screw Fastening." * For more details, please refer to the PDF document or feel free to contact us.
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【Commonly Used Terms and Dimensions】 ■ Pitch: In screw standards, pitch refers to the distance between adjacent screw threads. ■ Nominal Diameter: Represents the outer shape of the screw, primarily using the outer diameter as the reference dimension. ■ Root Diameter: The diameter of a hypothetical circle that touches the root diameter of the screw threads. ■ Effective Diameter: The diameter of a hypothetical circle where the width of the screw groove equals the width of the screw thread. ■ Thread Angle: The angle of the screw thread (the typical angle for general screws is 60 degrees). *For more details, please refer to the PDF document or feel free to contact us.
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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.