Standard Specification for Surface Discontinuities of Bolts, Screws, Studs, and Rivets, Inch and Metric Series (Includes all amendments and changes 9/12/2023).

The information about the standard:

Designation standards: ASTM F788/F788M-20e1
Publication date standards: 1.4.2020
The number of pages: 6
Approximate weight : 18 g (0.04 lbs)
Country: American technical standard
Category: Technical standards ASTM

Annotation of standard text ASTM F788/F788M-20e1 :

This specification establishes allowable limits for the various types of surface discontinuities that may occur during the manufacture and processing of bolts, screws, and studs, including heat-treated machine screws, tapping screws, and sems. Types of surface discontinuities are: crack; burst; seam; fold; thread lap; void; tool marks; and gouge and nick. These surface discontinuities shall be inspected in accordance with the specified requirements.

Keywords:
bolts, crack, discontinuities (surface), fold, screw (machine, sems, tapping), seam, studs, thread lap, void,, ICS Number Code 21.060.10 (Bolts, screws, studs)