Specification for the tapping of holes to receive wire thread inserts (UNC and UNF threads) - Diameters ¼ in and over Ingestion-build-190310

Specification for the tapping of holes to receive wire thread inserts (UNC and UNF threads) - Diameters ¼ in and over Ingestion-build-1903101 Scope This British Standard comprises three sections: Section 1, which specifies limits of size for tapped holes to accommodate wire thread inserts to provide thread sizes from in to 1 in UNC inclusive and from in to1in UNF inclusive; Section 2, which recommends screwing taps intended to produce holes to the limits of size specified in Section 1; Section 3, which gives a recommended gauging system for checking the tapped holes. Figure 1 Basic form

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This part of PD 6682 gives guidance on the use of BS EN 13450 in the UK

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you ensure that the radionuclides present in this water stay within the authorized concentration limits

BS 599 provides guidance on:

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BS ISO 31030 Travel risk management

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• Fasteners and fixings

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BS EN 62058-11 makes a selection from relevant ISO standards

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