Thread Size: M170 X 3
Inch - Metric: Metric
Outside Diameter - Inch: 8.5
Outside Diameter - Millimeter: 215.9
Other Features: One Piece Split | M12 Clamp Screw

Nominal Thickness - Inch: 0.957
Nominal Thickness - Millimeter: 24.3

Thread Size: 6.659-8
Inch - Metric: Inch
Outside Diameter - Inch: 8.5
Outside Diameter - Millimeter: 215.9
Other Features: One Piece Split | M12 Clamp Screw

Threads per Inch: 8
Nominal Thickness - Inch: 0.956
Nominal Thickness - Millimeter: 24.282