Tool chucks (end mill holders) with clamp screws for flatted cylindrical shank tools - Dimensions of the driving system of tool shanks Ingestion-build-146508 What is BS 131-4 –

What is BS 131-4 – Notched bar tests about

this can ensure that your products meet the required quality and performance levels

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Tool chucks (end mill holders) with clamp screws for flatted cylindrical shank tools - Dimensions of the driving system of tool shanks Ingestion-build-146508 What is BS 131-4 –1 Scope This part of ISO 5414 lays down the dimensions of tool chucks (end mill holders) with clamp screws designed for driving flatted cylindrical shanks in accordance with ISO 3338 2 and specifies the clamp screws used. It also gives the maximum diameter of the chuck nose. This part of ISO 5414 defines two types of drive: chucks with bores of d1 20 mm intended for driving cylindrical shank tools with a single flat, these tools being provided with