Steel-Toned Industrial Swivel Bolt Snap Clasp and Chain
Hardware Clasp / Key Chain Component · None (Steel or Nickel-toned alloy)
Purity: Not Applicable (No evidence of gold content; item appears to be base metal)
Type
Hardware Clasp / Key Chain Component
Purity
Not Applicable (No evidence of gold content; item appears to be base metal)
Gold Type
None (Steel or Nickel-toned alloy)
Weight
25-35 grams based on heavy-duty gauge metal
Description
Functional silver-toned bolt snap clasp featuring a swivel head and circular loop connector. Typically used for keychains, bag straps, or lanyards rather than fine jewelry.
Key Features
360-degree swivel mechanism, spring-loaded bolt slide, industrial-grade thickness
Color & Finish
Dull silver/grey with a worn, matte patina and visible surface oxidation
Hallmarks & Stamps
None visible; lack of common precious metal stamps like 585 or 750
Dimensions Estimate
Clasp length ~60mm; jump ring diameter ~15mm; chain link diameter ~10mm
Gemstones & Inlays
None
Clasp & Closure
Heavy-duty swivel bolt snap (trigger clasp) with a thumb slide mechanism
Chain & Links
Standard circular open-link jump rings with visible butt joints
Craftsmanship Details
Cast metal construction with a simple tension spring; low-precision finishing typical of mass-produced hardware
Authentication Indicators
Red flags for gold authentication: lacks yellow undertones, shows base-metal grey where scratched, lacks hallmarking, and uses hardware-grade mechanics
Origin & Maker
Mass-produced industrial hardware of unknown origin
Era & Period
Contemporary Utility (21st Century)
Age Estimate
Circa 2010s-2020s based on wear patterns and utilitarian design
Cultural Significance
Represents the shift toward 'industrial chic' and utilitarian fashion accessories in everyday carry (EDC) culture.
Condition Notes
Fair to Good; significant surface abrasions, minor pitting, and heavy patina consistent with friction wear
Value Estimate
Minimal ($1 - $10); value is strictly utilitarian as no precious metal content is present
Care & Maintenance
Clean with a dry cloth to prevent moisture buildup; apply a drop of mineral oil to the internal spring if the bolt sticks
Similar Items
Brass bolt snaps, carabiners, or lobster claw clasps found on high-end travel luggage
Interesting Facts
The bolt snap design was originally popularized for equestrian tack and dog leashes due to its high tensile strength and ease of use with one hand.