Standard Specification for Surface Discontinuities of Bolts, Screws, Studs, and Rivets, Inch and Metric Series (Includes all amendments and changes 9/12/2023).
NORMA vydaná dňa 1.4.2020
Označenie normy: ASTM F788/F788M-20e1
Dátum vydania normy: 1.4.2020
Počet strán: 6
Približná hmotnosť: 18 g (0.04 libier)
Krajina: Americká technická norma
Kategória: Technické normy ASTM
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)