Anti-tamper device
Anti-theft apparatus including a screw with an anti-theft safety
Antitheft device for use with a bolt
Armadillo tamper resistant bolt and head protector
Attachment cap for fastener head
Bolt
Bolt assembly
Bolt cap device
Cap for protecting foundation anchor bolts
Cap having antitheft lock for fastening member
Capped bolt
Corrosion resistant cap for fastener
Corrosion resistant fastener
Cover cap for a hexagonal recess
Crime prevention screw, embedding material of screw head,...
Decking insulation fastener
Device for preventing loosening of a member
Encapsulated fastener
Encapsulated fastener and washer
Fastener