Go & no go gauge

Its name is derived from two tests: the check involves the workpiece having to pass one test ( go ) and fail the other ( no – go ). When inspecting a cylindrical hole, if the go does not enter, the hole is too small (undersize). Demonstration of a Go NoGo gauge. If the no – go enters, the . This gauge will insure that the UBHO bolt holes are within.

This article will help you understand thread gauges used in precision measurement. In this part, we look at GO and NO – GO gauges and introduce the concept of metrology applied to the practical machine shop or in manufacturing. In production shops, the inspection of cylindrical parts (shafts or holes) for . Convenient kits contain “ Go ” and “ No – Go ” gauges for accurately checking chamber length to make sure it meets SAAMI specs. These gauges are essential tools for ensuring a tight, accurate, safe chamber when chambering a new barrel.

Always have a set on hand to check for correct headspace before buying or firing a . Primarily for use in manufacturing and production inspection areas these gauges are a very reliable and accurate method of checking roundness and size, the No Go. Clearance — Select Items.

Normal Gauge Tolerance. For them, a Go – No Go situation is the very rare case where there are only two alternatives – black and white – with no gray in betwee- n. In practice it is not quite so simple as this, since there are a few borderline cases which require a little human judgment. But the ground rules for using the cylindrical plug gage are certainly . Shipping: Leaves Indianapolis warehouse within 1 . These are mechanical manual measuring tools used in the production lines to guarantee that machining took place and was performed correctly. GO – NOGO gaging is use there is no need to measure the size of a hole to be certain that it is within the design limits.

The proper use of plug gages therefore eliminates the need for complex and expensive measuring equipment. If a GO gage is used to verify the lower limit and a NOGO gage to verify the upper limit of a. Subsequently a Go gage should be able to pass through the hole and a NoGo plug gauge should not. Others call it Fixed Limit Gauging.

The opposite is true for ring gages. A Go ring has a negative tolerance and is designed to gauge the largest acceptable diameter and a NoGo. Instead of using an Allen wrench as a gauge , are there any more precise methods of . Equivalent Astro Tool versions available.

Periodic gauging is recommended to ensure accurate calibration of mil -spec crimp tools.

Category: Tools, Type of tool: Check gauge, Description of the tool: for. Log- in or register for your pricing. Transaction Level: Contact . Double-end gages for checking bore sectors. Go and NO Go Metric Thread Gauge Plug.

Manufactured in cast steel with the gage ends tempered with hardness HRC 62÷ 64. The gage shape allows to check the bore diameter in different radial sections. GO or NO – GO single-end flat plugs.