Hasps and staple locks can be used on a wide range of buildings, outbuildings and cabinets including garages, sheds, workshops, barns, storage cabinets and boxes. For extra flexibility some hasp and staples have two or three hinges enabling them to be used around the corners of door frames or at an angle A back plate prevents the bolts of the lock from being pulled through and removed. Heavy-duty hasps and staples are sometimes supplied with a back plate that fits on the inside of the door. Hasps and staples are available with concealed hinge pins and screws to prevent the lock from being knocked through and removed. The hardened steel staple and locking eye resist cutting and sawing. It provides model language that is acceptable to OSHA in meeting the requirements of OSHAs. Heavy-duty hasp and staples are made from specially designed hardened steel for extra security. The zinc plated hardened steel hasp provides added strength and weatherability. This HASP template was prepared by OSHA and funded by EPA. Hasps and staples are usually made from stainless steel, some are galvanised for extra protection against rust making them ideal for external use.
The hasp and staple provide a simple way of making outbuildings or sheds secure and deterring opportunist thieves The hinged strap on the hasp slots over the staple and is secured in place by a padlock, pin or tumbler. The staple is a metal loop that fits on the adjacent door, frame or lid. The hasp part of the lock contains pre-drilled holes enabling it to be screwed to the door and has a hinged strap attached to it containing a slot. A hasp and staple is a locking mechanism that is used on a door or cabinet and held in place with a padlock or pin.