Machine-Milled Brass Expansion Anchor (Gold-Tone)
Hardware / Industrial Fastener (not jewelry) · Brass / Base Metal with a yellow metallic hue; no gold alloy present.
Purity: 0% - This item is solid brass or a base metal alloy with zero gold content.
Type
Hardware / Industrial Fastener (not jewelry)
Purity
0% - This item is solid brass or a base metal alloy with zero gold content.
Gold Type
Brass / Base Metal with a yellow metallic hue; no gold alloy present.
Weight
2-4 grams depending on core density and metal composition.
Description
This is a brass expansion shield or anchor used in masonry or mechanical assemblies. While it has a yellow color that mimics gold, it is a functional tool component designed to expand when a screw is tightened into its hollow core.
Key Features
Diamond knurling for grip, longitudinal expansion slots, and internal threading for mechanical fastening.
Color & Finish
Dull yellow metallic color with a machine-milled, knurled diamond-pattern texture and vertical expansion slits.
Hallmarks & Stamps
None visible; industrial items of this type rarely carry precious metal hallmarks.
Dimensions Estimate
Approximately 12mm-15mm in length and 4mm-6mm in diameter.
Gemstones & Inlays
None; purely functional industrial design.
Clasp & Closure
Internal threading for expansion (not a jewelry clasp).
Chain & Links
N/A; solid cylindrical body with expansion slits.
Craftsmanship Details
Precision machine-milled; high-volume industrial production with focuses on tolerance and grip rather than aesthetic luxury.
Authentication Indicators
Red flags for gold: Machined knurling, vertical expansion slits, lack of precious metal hallmarks, and dull luster inconsistent with Karat gold.
Origin & Maker
Generic industrial manufacture; likely produced for the hardware or construction industry.
Era & Period
Contemporary Industrial (late 20th century to present).
Age Estimate
Modern (produced within the last 20-30 years).
Cultural Significance
Utility and industrial infrastructure; representative of standard mechanical fastening technology.
Condition Notes
Good functional condition; minor surface oxidation consistent with common brass hardware.
Value Estimate
Melt/Scrap value of brass only; approximately $0.05 - $0.10 USD. No precious metal value.
Care & Maintenance
Keep dry to prevent verdigris (green oxidation); clean with industrial degreaser if used in mechanical settings.
Similar Items
Drywall anchors, concrete wedge anchors, or brass bushings.
Interesting Facts
Brass is often mistaken for gold by the untrained eye due to its copper and zinc composition, which creates a similar yellow hue.