Silca Brass-Alloy Dimple Key Blank
Key Blank (utilitarian hardware) · Yellow Brass (copper-zinc alloy); contains no gold metals.
Purity: Non-gold (0% gold content). This is a brass alloy item.

Type
Key Blank (utilitarian hardware)
Purity
Non-gold (0% gold content). This is a brass alloy item.
Gold Type
Yellow Brass (copper-zinc alloy); contains no gold metals.
Weight
8 to 12 grams
Description
An industrial-grade brass dimple key blank produced by Silca, specifically designed for high-security cylinder locks. The piece features a hexagonal bow with a textured grip and a vertical blade characterized by pre-milled tracks and security notches. While it possesses a yellow metallic appearance, it is a standard locksmith component rather than jewelry or bullion.
Key Features
Silca trademark logo, cross-hatched textured bow, security dimple tracks on the blade.
Color & Finish
Dull yellow metallic hue; satin industrial finish with textured cross-hatching on the bow.
Hallmarks & Stamps
Stamped with SILCA brand logo; no gold purity hallmarks (e.g., no 750 or 18K).
Dimensions Estimate
Length: 55-60mm; Bow width: 22mm; Blade thickness: 2.5-3mm.
Gemstones & Inlays
None (solid metal construction).
Clasp & Closure
Key ring hole (circular aperture) at the base of the bow.
Chain & Links
Not applicable; rigid single-piece industrial construction.
Craftsmanship Details
Precision-milled industrial manufacturing; high-tolerance machining for security lock compatibility.
Authentication Indicators
Red Flag: Item lacks any karat hallmarks or fineness stamps; color is characteristic of nickel-brass rather than high-karat gold; texture is industrial.
Origin & Maker
Italy; Silca S.p.A. (Vittorio Veneto).
Era & Period
Contemporary Industrial (late 20th - early 21st century).
Age Estimate
Likely manufactured within the last 15-20 years.
Cultural Significance
Utility and security; represents modern access control technology.
Condition Notes
Good; shows minor surface oxidation and light mechanical wear from handling. Functional as a blank.
Value Estimate
$2.00 - $5.00 USD (hardware retail value). Melt value is negligible scrap brass price.
Care & Maintenance
Keep dry to prevent verdigris (green oxidation); no specialized metal polishing required.
Similar Items
Kaba, Mul-T-Lock, or Assa Abloy key blanks. All share similar brass/nickel-silver compositions.
Interesting Facts
Silca is the global leader in key duplication technology; brass is used for keys due to its durability and low-friction properties in locks.