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Fasteners
All Containers›Shop by use case›Fasteners›The mark›What this property does not coverShop all fasteners →
The mark

What this property does not cover

By Dwight Davis, Founder

On this page15
Definitions only.

Not what the Act requires of anyone

The definitions are quoted and the obligations are not. Who must do what, and to whom, is outside these pages.

Not the inspection or certification scheme

Which is the substance of the Act and is not described here at all.

Not the exemptions

There are circumstances in which the scheme does not apply, and none of them is set out.

Not which consensus standards are involved

The definitions refer to a specific consensus standard and do not enumerate them. Neither does this property.

Not whether any article is a fastener within the definition

Four conditions, two of them reachable by representation, and the answer is about a specific article.

Not whether any quantity is a lot

Which turns on a part number, a production process and a heat number, none of which is in our data.

Not thread specifications

Pitch, class of fit and thread form are engineering facts and a container catalog has nothing to say about them.

Not torque or load ratings

Nor any performance figure for any fastener. The grade mark is a claim and we do not evaluate it.

And not corrosion or coating

Which is the thing that usually decides a fastener choice and is outside this property entirely.

What is here is three definitions

A fastener, a lot and a grade identification marking, all quoted and all three with a container consequence.

Plus our specification coverage, measured

Ten fields across 251 containers, four of them complete, two almost absent, and none of them a lot number.

And one practical discipline

One lot per container, labelled at fill time, before the bag carrying the heat number is discarded.

Nor plating, which is the usual reason a fastener fails

A zinc or galvanised coating decides corrosion life and has nothing to do with the grade mark or the lot. It is the field a buyer actually wants and we publish nothing about it.

Which is free and is the only thing we can usefully recommend

Everything else belongs with the Act and with whoever reads it.

References

15 U.S.C. 5402(6) defines a fastener as "a metallic screw, nut, bolt, or stud having internal or external threads, with a nominal diameter of 6 millimeters or greater, in the case of such items described in metric terms, or 1/4 inch or greater, in the case of such items described in terms of the English system of measurement, or a load-indicating washer, that is through-hardened or represented as meeting a consensus standard that calls for through-hardening, and that is grade identification marked or represented as meeting a consensus standard that requires grade identification marking". These are definitions from the Fastener Quality Act; nothing on these pages describes what the Act requires of anyone or determines whether any article falls within the definition. law.cornell.edu
15 U.S.C. 5402(10) defines a lot as "a quantity of fasteners of one part number fabricated by the same production process from the same coil or heat number of metal as provided by the metal manufacturer". law.cornell.edu
The Davis Pack Supply catalog, measured 19 October 2026 across the 251 containers on this shelf. The specification labels we publish and their coverage: Material on 251 of 251, Color on 251, Capacity on 251, Temperature range on 251, Case pack on 250, Height on 237, Neck finish on 232, Recyclable on 117, Width on 18, and Liner on 1. None of the ten is a lot number: there is no lot, heat number, coil reference or production date anywhere in our data, for the container or for anything in it. We identify a product by a dc sku and a case pack.
Written from 15 U.S.C. 5402 and from the catalog as it stood on 19 October 2026. These are definitions from the Fastener Quality Act and nothing here describes what the Act requires of anyone, the inspection or certification scheme, the exemptions, or which consensus standards are involved. Nothing determines whether any article is a fastener within the definition or whether any quantity is a lot. We publish no lot number, heat number, coil reference or production date anywhere in our data. This shelf is shared identically by nine groups and the sewing notions property enumerates the inventory.