[Concern] I want to measure the zaguri (sitting).
The most common use of a counterbore hole is to prevent the head of a bolt from protruding when fastening structures with bolts. It is necessary to create a hole that is deeper than the thickness of the bolt head and has a larger diameter. Depending on the shape of the bolt head, it may also be made into a bowl-shaped hole. When measuring a counterbore hole, the diameter and depth are the measurement targets. <Can it be measured with calipers?> It can be easily measured using calipers. However, for the diameter of the counterbore hole, it is necessary to find the maximum diameter when the calipers are applied. Skill is required for accurate measurement, which means there can be variations between individuals. Additionally, since diameter and depth cannot be measured simultaneously, two measurement actions are required. <Want to measure easily and determine pass or fail?> Using a dedicated measuring instrument (gauge) makes it easy to measure. Both diameter and depth can be measured simultaneously, and it is possible to determine pass or fail at a glance. This type of gauge is easy to carry, allowing for immediate measurement near the production line. There are various methods for pass/fail determination, including evaluating with specific numerical values or visually judging simply, so please consult us once.
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Depth gauge Depth gauge Counterbore hole gauge
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Watanabe Precision Industries Co., Ltd. is a company specializing in the design and manufacture of general gauges, comprehensive gauges, measurement gauges, machine gauges, inspection tools, jigs, and mold components. Recently, we have received many inquiries regarding the design and manufacture of test pieces, research test parts, spline gauges, and spherical gauges. If you have any questions related to splines and serrations, please feel free to consult with us.
