AU740 Series features a e-coated hardened steel lock body with molybdenum shackle to resist drilling, sawing, twisting and brute force attacks.With the blue bumper, the lock body can prevent damage to locked item. The anti-drill sliding cover plate provides high standard drilling resistance in cooperation with slide-in slot and anti-drill plate.

The patented clever shackle interchange design allows to change the shackle conveniently by using simple tools.  This lock adopts a key retaining design. The design makes the key irremovable when unlocking to ensure locking operation is done before removing key and complies with the specifications of certificate and military uses. The double locking ball bearings increase tensile strength to resist pulling attack. 

Application:

This lock is ideal for security gates, factory front, garage, entrance, etc.