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ASME B18.6.4

98th Edition, January 1, 1998

Complete Document

Thread Forming and Thread Cutting Tapping Screws and Metallic Drive Screws (Inch Series)

Includes all amendments and changes through Reaffirmation Notice , 2005


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Detail Summary

Superseded By: ASME B18.6.3

EN
Additional Comments:
W/D S/S BY ASME B18.6.3
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Product Details:

  • Revision: 98th Edition, January 1, 1998
  • Published Date: January 2005
  • Status: Superseded By:
  • Superseded By: ASME B18.6.3
  • Document Language: English
  • Published By: ASME International (ASME)
  • Page Count: 160
  • ANSI Approved: Yes
  • DoD Adopted: No

Description / Abstract:

This Standard covers the complete general and dimensional data for the various types of slotted and recessed head tapping screws and metallic drive screws recognized as "American National 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 and wobble gaging of recessed head screws, approximate hole sizes, wrench openings for hex head products, means for determining effective grip lengths on screws, documentation for screw types and head types relegated to not-recommended or limited usage status, and formulas onwhichdimensional data are based. It shall be understood, however, that where questions arise concerning acceptance of products, 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 manufacturers concerning the availability of products.