Hexagonal Flange Nut, Zinc-Plated Steel (Industrial Hardware)
Industrial Fastener / Hardware (Nut) · Generic industrial hardware manufacturer; unidentified specific maker
Pattern: Standard Metric or SAE Hex Flange Nut (Non-decorative)
Type
Industrial Fastener / Hardware (Nut)
Maker
Generic industrial hardware manufacturer; unidentified specific maker
Material
Iron/Steel with Zinc Finish; zero silver content (.000)
Dimensions
Estimated 10-15mm diameter; weighted in grams, consistent with carbon steel density
Description
This is a basic hex flange nut, a type of fastener that combines a hexagonal nut with a wide, integrated flange at one end to act as a built-in washer. It is an industrial object made of steel, not a silver item. The dull greyish color is characteristic of weathered zinc plating rather than silver patina.
Key Features
Flanged base, internal threading, hexagonal head, industrial grade numeric stamp.
Material & Composition
Iron/Steel with Zinc Finish; zero silver content (.000)
Finish & Decoration
Zinc electroplating or galvanization; utilitarian industrial finish with visible oxidation/surface rust
Hallmarks & Stamps
Numeric stamp '9.3' or similar industrial grade marking; no silver hallmarks present
Construction Details
Machine-forged and threaded; mass-produced industrial component
Functional Features
Internal screw threads and an integrated wide circular flange for load distribution
Handle & Grip Details
Hexagonal sides designed for wrench or socket application; no handle
Craftsmanship Details
Machine-stamped and automated-lathe threaded; lacks hand-wrought quality associated with fine metals.
Authentication Indicators
Complete absence of purity marks (Sterling/925); presence of industrial grade stamps; magnetic properties typical of steel.
Origin & Manufacturing
Mass-produced factory origin; likely manufactured in China, Taiwan, or India
Era & Period
Modern Industrial Era (late 20th - early 21st century)
Age Estimate
Late 20th century to contemporary (post-1980)
Cultural Significance
Represents standardized mass production and globalized industrial supply chains.
Condition Notes
Fair to poor for silver standards; displays surface corrosion, internal rust in threads, and mechanical wear.
Value Estimate
Valueless as silver ($0.05 - $0.20 as scrap steel or hardware)
Care & Maintenance
Not applicable for silver care; requires anti-corrosion spray or degreaser if used for mechanical assembly.
Similar Pieces
Stainless steel nuts (more corrosion resistant), locking nuts (with nylon inserts), or silver-plated novelty hardware.
Interesting Facts
While this object lacks monetary value as an antique, hex flange nuts are essential in automotive and structural engineering to prevent loosening from vibration.