Keyed-Lok™ Screws & Bits - Sheet Metal Screws - Machine Screws - Micro Selftapping Screws - Micro Machine Screws - Metric Machine Screws  Specifications - Flat Head - Button Head Applications - Digital Light Projectors (LCD/DLP) - Auto Airbags Keyed-lok® is a lock because... It requires a perfectly cut key to operate it. Only the owners have their private/ exclusive key code. Has millions of keyway variations to ensure that each key code is exclusive to the owner. It is not just tamper-proof. It repels Hex, Torx®, Slotted bits, and Vice® grips Keyed-lok® is not just a tamperproof, vandal-proof, tamper-resistant screw. Because it does not have mass produced bits sold indiscriminately by the thousands, it is a high security locking system. Unlike Hex or Torx screws, it does not have symmetrical shapes that are easy to distinguish and compromise. Keyed-lok® is not an easy target or false security. The millions of key variations ensure that each licensed KEYED-LOK® is private and exclusive to the owner. Configuration Information High Security, Tamper Proof Bolts HIGH SECURITY Millions of key variations PRIVATE/EXCLUSIVE Key Coded Sockets TAMPER PROOF Repels Hex, Torx®, Slotted bits, and Vice® grips. FAST - Power driven RUST PROOF Stainless steel or TOUGH 4037 CrV steel 150000 PSI More Economical: least expensive high security tamper proof More Sizes: from 3/56 to 5/8-11(M2-M12) More Head Styles: Truss, Button, Flat More Thread Types: Machine, Metric, type A, Plastic More Plating Types: Zinc, Galvanized, Black oxide, Chrome More Security: Keys and key codes are registered private or exclusive