0.531" hole diameter 12.000" outside diameter 6 bolt hole quantity non-asbestos material. item has one hole 0.531 in. dia on bolt hole circle at 40 degree angle between two equally spaced holes circular
0.531" hole diameter 8.000" outside diameter 6 bolt hole quantity non-asbestos material. item has one hole 0.531 in. dia on bolt hole circle at 45 degree angle between two equally spaced holes circular