ISO 7053:2019 pdf free download.Fasteners – Hexagon washer head tapping screws.
I Scope
ISO 7053 specifies the characteristics of hexagon washer head tapping screws, made of steel and
stainless steel, with thread sizes S12.2 to SIB, and with product grade A.
2 Normative references
The Following documents are referred to In the text In such a way that some or all of their content constitutes requirements of this document. For dated references, only the edition cited applies. For undated relereiwes. the latest edition of the referenced document (including any amendments) applies.
ISO 1478. Thpping screws thread
ISO 2702, Heat-treated steel tappmg screws — Mechanical properties
ISO 3269, Fasteners — Acceptance inspection
ISO 3506.4, Mechanical properties of corrosionresIstont stainless steel fasteners — Part 4: Tapping screws
ISO 4042. Fasteners — Elect roplaied coating systems
ISO 4759-1. Tolerances for fasteners — Part 1: Bolts, screws, studs and nuts — Prod uct grades A, Band C
ISO 8992, Fasteners — General requirements for bolts, screws, studs and nuts
ISO 10683, Fasteners — Nonelectrolytically applied zinc flake coating systems
3 Terms and definitions
No terms and definitions are listed In this document.
ISO and IEC maintain terminological databases foi .ise in standardization at the following addresses
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4 Dimensions
Dimensions shall be rn accordance with FIgures 1 and 2 and Table L
Symbols and descriptions of dimensions are defined In ISO 225.