Thread Size: 3.5-16
Threads per Inch: 16
Nominal Thickness - Inch: 0.813
Nominal Thickness - Millimeter: 20.65
Inch - Metric: Inch

Outside Diameter - Inch: 4.75
Other Features: Self Locking
Outside Diameter - Millimeter: 120.65

Thread Size: 3.5-16
Threads per Inch: 16
Nominal Thickness - Inch: 0.76
Nominal Thickness - Millimeter: 19.304
Inch - Metric: Inch

Outside Diameter - Inch: 4.75
Outside Diameter - Millimeter: 120.65

Thread Size: 3.34-12
Threads per Inch: 12
Nominal Thickness - Inch: 0.708
Nominal Thickness - Millimeter: 17.983
Inch - Metric: Inch

Outside Diameter - Inch: 4.75
Other Features: One Piece Split | M8 Clamp Screw
Outside Diameter - Millimeter: 120.65