BS A 334

Nuts, Anchor, Self-Locking, Fixed, 90 Degree Corner, with Counterbore, with MJ Threads, Classifications: 1 100 MPa (at Ambient Temperature) / 235 Degrees Celsius, 1 100 MPa (at Ambient Temperature) / 315 Degrees Celsius and 1 100 MPa (at Ambient Temperature) / 425 Degrees Celsius - Dimensions