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hold fast is an accessory used on a
woodworking workbenchA Workbench is a table used by woodworkers to hold workpieces while they are worked by other tools. There are many styles of woodworking benches, each reflecting the type of work to be done or the craftsman's way of working...
to fix a workpiece to the top or side of the bench while it is being worked.
A hold fast is shaped like a shepherd's hook. In use, the shank fits loosely into a hole in the top or side of the bench and the tip of the hook is pressed against the work. The hold fast is set by rapping the top with a mallet, which causes the shaft to wedge against the sides of the hole.
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A
hold fast is an accessory used on a
woodworking workbenchA Workbench is a table used by woodworkers to hold workpieces while they are worked by other tools. There are many styles of woodworking benches, each reflecting the type of work to be done or the craftsman's way of working...
to fix a workpiece to the top or side of the bench while it is being worked.
A hold fast is shaped like a shepherd's hook. In use, the shank fits loosely into a hole in the top or side of the bench and the tip of the hook is pressed against the work. The hold fast is set by rapping the top with a mallet, which causes the shaft to wedge against the sides of the hole. It is released by hitting the back side. A good holdfast works remarkably well, and is inexpensive and easy to install.
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holdfast is also a plinth or pedestal, usually of concrete, to which an anti aircraft or coastal battery gun was fitted. Holdfasts are often the only evidence for a weapon which survive.