BS4209

Product Comment

5 – 5/16 NC threaded holes along one edge of the frame
6 – 5/16″ C threaded holes along the opposite edge
8 – 5/16″” NC threaded holes along the back of the frame
4 notches on the edges
Frame #BS042009A is manufactured w/ 10 gauge material
Frame #BS042009B is manufactured w/ 3/16″” material

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