0.253" hole diameter 0.500" outside diameter 0.028" material thickness one key pre-bent 90 degrees, second key pre-bent 10-12 degrees in opposite direction oxide film surface treated key
0.968" hole diameter 1.198" outside diameter 0.032" material thickness inner tang bent downward 90 deg to face of washer 0.116 in. min lg, 0.124 in. max lg oxide film surface treated key
0.255" hole diameter 0.440" outside diameter 0.028" material thickness both angular keys bent 15 deg in opposite direction of prebent key passivate surface treated key