HSK Test Bar

Product Description

The test bar is a high-precision measuring tool widely used in machining and precision manufacturing. It is primarily employed to detect geometric accuracy such as radial runout, coaxiality, and perpendicularity of key components like machine tool spindles and guide rails. Manufactured from premium alloy steel or tungsten carbide through precision grinding and heat treatment processes, it offers exceptional dimensional stability and wear resistance, making it an essential tool for machine tool accuracy inspection and maintenance.

Product Schematic

Product Parameter

Product advantages

Spindle runout test bars are easy to use and a fast way to verify your machine spindle is running properly. Check them after a machine has been crashed and take the proper steps before you start making scrap parts. 

Spindle test bars are used in the machine automatic tool changer spindle to detect and benchmark spindle run out. Calibration arbor bars are a master for checking axis alignment with the machine

Quality Inspection

Jiehe Machinery owns a leading tool holder production factory and inspection and testing center in China, with manufacturing capabilities ranking among the top. Our core production and testing equipment include GROB, TAKISAWA, Doosan, HAIMER, KELCH, ZOLLER, Mitutoyo, etc., and we also possess the full range of standard tool holders and tool holder gauges from German Diebold. The use of these equipment further ensures the superiority of our production efficiency and product quality.

We have an intelligent production line, which ensures the stability of product quality and greatly improves production efficiency.

Factory Displayment

Jining Jiehe Machinery Co., Ltd., established in 2000, is a national high-tech enterprise and a provincial-level technology-driven and innovative company. Specializing in CNC machine tool accessories, the company offers over 1,000 product varieties, with 60% of products exported. With over 200 CNC machines and a team of more than 100 employees, Jiehe has earned over 30 national patents and is recognized for its well-known trademarks such as CNCJiehe, Sun Moon Lake, and Goose. The company regularly participates in international exhibitions across Beijing, Shanghai, the U.S., Germany, Italy, and Tokyo, building a strong global market presence. By benchmarking top companies in Germany and Japan, Jiehe has achieved rapid development and established a comprehensive production and R&D base with subsidiaries in Jining, Shandong, Suzhou, and beyond.