coach bolt

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carriage bolt

carriage bolts
A threaded bolt having a circular head, an oval or flat bearing surface, and a means (such as a square shoulder under the head) of preventing rotation of the bolt.
References in periodicals archive ?
Also, exchange the screws on standard hinges with security screws, or replace the hinges with strap hinges, also secured with coach bolts.
Floor, walls and roof were made from laminated timber elements 625mm wide and 140mm thick, which are fixed together with coach bolts and stainless-steel pins.
Fit a second joist onto the end joist for further strength and join with coach bolts.
Shed burglaries, he says, can be prevented by using quality padlocks and replacing standard hinges with strap hinges secured by coach bolts or nonreturn screws.
12 Drill the holes for the screws and use the right fixings, such as coach bolts, to secure the sink to its supporting frame behind the tiles.
He advised fitting shed and garage alarms and locks, and replacing screws on outbuildings with coach bolts to make breaking in difficult.
Step 9: Secure the deck posts using 2 coach bolts through the deck post and into the fascia; it is critical that these holes are pre-drilled.
The bolt lying by the side of the fishplate in Walsall is not actually from it and are what are called coach bolts from a different part of the railway.
Outside, door hinges should be secured with coach bolts or non-return screws.
Instead, police say, they should use quality padlocks and replace standard hinges with strap hinges secured by coach bolts or non-return screws.
4 Use screws or coach bolts to fix the post to the decking joist (once decking boards and handrail are added it becomes very secure).
On existing hinges, use coach bolts or security screws.