hardware washers
u37420 .056.0001 lock washer external stl 9 16 in pk 25
lock washer external tooth type a steel finish zinc fits bolt sizes 9 16 in . inside dia . 0.576 in . outside dia . 0.960 in . thickness 0.037 in . rockwell hardness c40 to c50 meets exceeds asme b18 .21.1 package quantity 25 br b features b ul li finish zinc li li inside dia . 0.576 li li item lock washer li li material steel li li outside dia . 0.960 li li package quantity 25 li li type external tooth type a li li fits bolt sizes 9 16 li li thickness 0.037 li li meets exceeds asme b18 .21.1 li li rockwell hardness c40 to c50 li ul