ASME B18.6.7M (1999)

Metric Machine Screws

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Annotation and contents

This Standard covers the complete general and dimensional data for metric flat countersunk, oval countersunk and pan slotted and recessed head machine screws recognized as standard. Also included are appendices which provide specifications and instructions for protrusion gaging of flat countersunk head screws, across corners gaging of hex head screws, penetration gaging and wobble gaging of recessed head screws, and clearance hole recommendations. The inclusion of dimensional data in this Standard is not intended to imply that all of the products described are stock production sizes.