corner bit brace


angle brace

1. A strip of material which is fixed across a frame to make it rigid, as a wood strip which is nailed temporarily across the corners of a window frame or doorframe to maintain squareness during shipment or in handling before permanent installation; also called an angle tie. 2. An angle iron. 3. A special brace which is used for drilling where there is insufficient room for an ordinary brace handle to turn.