Tamper-Proof
TAMPER-PROOF ™SYSTEM
- The Guard-Nut® tamper-proof fastening system is the proven solution to the constant battle against theft, vandalism and unauthorized entry.
- Guard-Nut’s exclusive design, free-turning protective sleeve and torque limiting breakaway head is a combination that is hard to beat.
- No special tools are required for installation. Available in nut, screw and bolt configurations, the Guard-Nut system can be tailored to meet any material, finish, torque limiting or level of security specification.
- All tamper-proof nuts, bolts, and screws available with left hand threads.
- Tamper-proof fasteners that employ a standard protective sleeve may be removed with a *special removal tool
Features
- No limitation on bolt length.
- Torque limiting feature-head shears off at predetermined level.
- Exclusive patented free turning protective sleeve prevents removal or tampering. (Special color coding, ID numbers or material available on special order.)
- Conventional Hex head to ISO standards. No special tools required.
- Clean, even break. No sharp edges.
- Optimum bearing surface permits maximum torque values and clamp loads.
- Level of security can be tailored by type of material specified (e.g. steel aluminium).
SERIES 77, 74
- Most economical security nut
- Conical shaped nut ( lock nut on series 74 )
- Breakaway hex head
- Accurately controls torque
- Proprietary metal to metal lock design resists galling to insure optimal clamp load ( series 74 )
- Optional Loctite® or similar locking additives on threads
- Vibration resistance
| SERIES 77 Conical shaped security nut with breakaway hex head |
SERIES 74 Modified conical shaped security lock nut with breakaway hex head |
SERIES 75
- Higher security level nut
- Unique shaped nut
- Breakaway hex head
- Accurately controls torque
- Surrounded by a free turning protective sleeve
- May be removed with *special removal tool
- Optional Loctite® or similar locking additives on threads
- Optional highly visible red acrylic security seal sleeve ( destroyed if tampered with )
SERIES 75
Unique shaped security nut with protective sleeve and breakaway hex head
SERIES 90
- Highest security nut available
- Unique shaped nut
- Breakaway hex head
- Accurately controls torque
- Surrounded by a conical, grip resistant, free turning protective sleeve
- Optional Loctite® or similar locking additives on threads
SERIES 90
Unique shaped security nut with conical, grip resistant, protective sleeve and breakaway hex head
SERIES 79
- High security bolt/screw
- Tamper-resistant head configurations will ward off the most determined attacks
- Available with conical, round, button, or flat head design
- Breakaway hex head
- Accurately controls torque
- Optional Loctite® or similar locking additives on threads
| SERIES 79 Conical shaped security bolt with breakaway hex head |
SERIES 79 Round shaped security bolt with breakaway hex head |
SERIES 79 Button head security bolt with breakaway hex head |
SERIES 79 Flat head counter sunk security screw with breakaway hex head |
SPECIAL Modified button head screw with slab sides (to allow for removal) and breakaway hex head |
SERIES 76
- High security bolt/screw with tamper evident protective free turning sleeve
- Unique shaped head
- Breakaway hex head
- Accurately controls torque
- Surrounded by a free turning protective sleeve ( tapered sleeve optional, non-removable)
- May be removed with *special removal tool
- Optional highly visible red plastic security seal sleeve ( destroyed if tampered with )
- Optional Loctite® or similar locking additives on threads
| SERIES 76 Unique shaped security head with free turning protective metal sleeve and breakaway hex head. | SERIES 76 Unique shaped security head with free turning red Plastic security sleeve seal and breakaway hex head. |
