NPS | Bolt Circle Dia. | Bolt Hole Size | Dia. of Bolts | Dia. of Hub C Min | Length of Threads C Min. | Length of Bolts | Number of Bolt Holes | Outside Flange Dia. A | Overall Length B Min. | Thickness of Flange D Min |
---|---|---|---|---|---|---|---|---|---|---|
1/4 | 2.81 | 0.19 | --- | --- | 0.32 | --- | 3.00 | 2.38 | 0.46 | --- |