Honestly, I get the concern—vandalism is one of the biggest reasons public seating fails early. The short answer is that many quality urban benches are designed with tamper-proof or tamper-resistant fasteners, but not all of them are, so you do need to check the spec sheet.
Most reputable commercial outdoor furniture manufacturers now use security hardware in high-risk areas. Common options include pin-in Torx screws, one-way screws, tri-groove security nuts, and breakaway bolts that snap off after installation. These fasteners require special bits or tools, which makes it much harder for someone to casually remove or loosen parts. Some benches also use hidden or recessed fastening systems, and in extreme cases installers add thread-locking compound or tack welds.
If you’re selecting benches for a park, streetscape, campus, or transit area, ask the supplier directly: “Are the fasteners tamper-proof, and what type of security hardware is included?” Look for terms like “vandal-resistant hardware,” “tamper-proof assembly,” or “security fixings.” Also check whether the frame is reinforced, the wood or metal slats are fully captured, and the surface coating resists scratching and graffiti.
That said, no fastener is 100% vandal-proof forever—a determined person with time and tools can damage almost anything. The goal is to make casual tampering slow, noisy, and inconvenient, while making real removal require specialist knowledge. Pairing tamper-proof fasteners with good visibility, lighting, and durable materials will give you the best long-term result.