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.

Silca Brass-Alloy Dimple Key Blank

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.

Identified on 5/20/2026