Thread Size: TR280 X 4
Inch - Metric: Metric
Outside Diameter - Inch: 13.78
Outside Diameter - Millimeter: 350
Other Features: Trapezoidal Thread

Nominal Thickness - Inch: 1.496
Nominal Thickness - Millimeter: 38

Thread Size: TR300 X 4
Inch - Metric: Metric
Outside Diameter - Inch: 14.173
Outside Diameter - Millimeter: 360
Nominal Thickness - Inch: 1.575

Nominal Thickness - Millimeter: 40

Thread Size: 12.562-6
Inch - Metric: Inch
Outside Diameter - Inch: 15
Outside Diameter - Millimeter: 381
Other Features: Locking Plate | 3/8-16 X 3/4 Hexagon Head Cap Screw

Threads per Inch: 6
Nominal Thickness - Inch: 1.666
Nominal Thickness - Millimeter: 42.316

Thread Size: TR290 X 4
Inch - Metric: Metric
Outside Diameter - Inch: 14.567
Outside Diameter - Millimeter: 370
Other Features: Trapezoidal Thread

Nominal Thickness - Inch: 1.575
Nominal Thickness - Millimeter: 40

Thread Size: 11.785-6
Inch - Metric: Inch
Outside Diameter - Inch: 14.193
Outside Diameter - Millimeter: 360.502
Threads per Inch: 6

Nominal Thickness - Inch: 1.563
Nominal Thickness - Millimeter: 39.7