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ASME B18.6.3 - 2003 PDF


ASME  B18.6.3 

Revision / Edition: 03      Chg: W/ REAF     Date: 00/00/08 


Document Abstract
This Standard is intended to cover the complete general and dimensional data for the various types of slotted and recessed head machine screws and machine screw nuts recognized as American National Standard. Also included are appendices that provide specifications and instructions for the protrusion gaging of flat countersunk head screws; across-corners gaging of hex head screws; penetration gaging and wobble gaging of recessed head screws; wrench openings for hex and square products; thread dimensions for the No. 0000, No. 000, and No. 00 sizes; and formulas on which dimensional data are based. It shall be understood, however, that where questions arise concerning acceptance of product, the dimensions in the tables shall govern over recalculation by formula.

The inclusion of dimensional data in this Standard is not intended to imply that all of the products described are stock production sizes. Consumers should consult with suppliers concerning the availability of products.

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