NoGo anti tamper enclosures offer the highest security for any nut or bolt. For details of all Security Screws and Fasteners available from Insight Security, visit; www.insight-security.com or call: 01273 475500
I don't think the last respondent understands the NoGo product at all! - the NoGo cup and cap system fully encloses the head of the bolt and/or the Nut, making it impossible to undo the fixing - which is why NoGo is the fixing used in maximum security applications by the MOD, HM. Prisons, etc...
