Category: Bocchi Control Products, Ring Gauges

Art.891 – Thread ring gauges Go-NoGo

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Thread plug gauges (Item 890) and thread ring gauges (Item 891). In high wear-resistant steel-chrome alloy. Core-hardened, tempered and stabilised. Normally constructed gauges for the following thread types: Metric, Withworth, Cylindrical gas, Conical gas, Acme, American unified UNC, UNF, UNEF. The thread plug gauge is supplied to tolerance 6H and the ring gauge to tolerance 6g in the standard versions.

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