Aktivní norma | Vydána: 01.10.2025

ASTM F788/F788M-20(2025)

Standard Specification for Surface Discontinuities of Bolts, Screws, Studs, and Rivets, Inch and Metric Series

Dostupné jazyky: Anglicky

Dostupné provedení: Online zabezpečené PDF, Tištěné

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Podrobné informace

Označení: ASTM F788/F788M-20(2025)

Datum vydání: 01.10.2025

Stran: 6

Země: Americká technická norma

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Anotace

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)

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