Maintains high precision as a master for right angle measurement! Extremely accurate measurements are possible.
"Stock No. 111" is a precision cylindrical square that complies with the JIS B7539 standard. It maintains high precision as a master for right angle measurement and can be used for measuring right angles of jigs and tools, as well as products. Additionally, the contact surface with the workpiece is a single line of a curved surface, allowing for extremely accurate measurements, and all sizes are hardened. 【Features】 ■ Product complies with JIS B7539 standard ■ Maintains high precision as a master for right angle measurement ■ Usable for measuring right angles of jigs and tools, as well as products ■ Extremely accurate measurements due to the contact surface with the workpiece being a single line of a curved surface ■ All sizes are hardened *For more details, please download the PDF or feel free to contact us.
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【Lineup (Partial)】 ■FN101 ■FN102 ■FN103 ■FN104 ■FN105 ■FN107 *For more details, please download the PDF or feel free to contact us.
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Daibishi Instrument Manufacturing Co., Ltd. has been achieving unique results as a member of the precision measurement instrument industry since its founding in 1949 (company established in 1951). We propose suitable solutions tailored to our customers' needs, including automatic measurement devices, dedicated measurement devices, ultra-precision standards, levels, surface plates, and straightness measuring instruments. In addition to standard products, we also accept large surface plates and automatic/semi-automatic measuring devices that include design. We leverage high-level technology to provide high-precision products, ensuring customer satisfaction with short delivery times.




