Screws with British Standard Whitworth Threads (rationalized series)
AS /NZS 2451 - 1998
Display drawing:
| Screw Thread | 5/16 | ||
| D | 0.313 | ||
| P | BSW | 18 | |
| S | Max | 0.525 | |
| S | Min | 0.515 | |
| E | Min | 0.61 | |
| R | Min | 1/32 | |
| K | Max | 0.228 | |
| K | Min | 0.208 | |