From Carlisle brass we have these Spare Bolt through fixings which are used on Door Handles or other Ironmongery where a very strong fixing is needed. Over time, regular face-fixing screws can start to wear and pull away from the door. The use of bolt-through fixings effectively fixes a set of handles to one another through the door, creating a very strong assembly. The use of bolt-through fixings will stop your handles pulling off your doors.
The SPS bolts have an M4 Thread with an overall 70mm fixing capacity. Available in polished chrome, satin chrome or polished brass finishes. They have a decorative finished heads, so these may be used where the bolts will be visible, such as with door handles on a backplate. One head is slotted, the other is a smooth blank - fitting the blank head externally will provide added security from attack/interference. Perfect for SZC, and Andros Range.
The SP8 bolts are slightly more narrow and are basic self-coloured unfinished brass. Perfect for use in application where the bolts will not be seen - Such as when fitting levers on a rose, or on concealed fixing door knobs. They come in two sizes, 55-65mm and 75-85mm extension, to cater for almost any door size.
Supplied in SINGLES