| SAE | SAE TS24 | TS24 Manufacturing Specification for Bolts 1275 MPa (185,000 lbf/in²) Tensile at Room Temperature 1000 MPa (145,000 lbf/in²) Tensile at 650°C |  | 
              
              
                | ISO | ISO 12268 | Aerospace - Nuts, hexagonal, plain, reduced height, reduced across flats, with MJ threads, classifications: 450 MPa (at ambient temperature)/425 degrees C, 600 MPa (at ambient temperature)/235 degrees C, 600 MPa (at ambient temperature)/315 degrees C, 600 MPa (at ambient temperature)/650 degrees C, 900 MPa (at ambient temperature)/235 degrees C, 900 MPa (at ambient temperature)/730 degrees C and  1 100 MPa (at ambient temperature)/600 degrees C - Dimensions |  | 
              
              
                | BSI | BS A 315 | Aerospace. Nuts, hexagonal, slotted (castellated), reduced height, normal across flats, with MJ threads, classifications: 450 MPa (at ambient temperature)/120anddeg;C, 450 MPa (at ambient temperature)/235anddeg;C, 600 MPa (at ambient temperature)/425anddeg;C, 900 MPa (at ambient temperature)/235anddeg;C, 900 MPa (at ambient temperature)/315anddeg;C, 900 MPa (at ambient temperature)/650anddeg;C, 1100 MPa (at ambient temperature)/235anddeg;C, 1100 MPa (at ambient temperature)/730anddeg;C and 1250 MPa (at ambient temperature)/60 |  | 
              
              
                | ISO | ISO 9618 | Aerospace - Nuts, hexagonal, slotted (castellated), reduced height, normal across flats, with MJ threads, classifications: 450 MPa (at ambient temperature)/120 degrees C, 450 MPa (at ambient temperature)/235 degrees C, 600 MPa (at ambient temperature)/425 degrees C, 900 MPa (at ambient temperature)/235 degrees C, 900 MPa (at ambient temperature)/315 degrees C, 900 MPa (at ambient temperature)/650 degrees C, 1 100 MPa (at ambient temperature)/235 degrees C, 1 100 MPa (at ambient temperature)/730 degrees C and 1 250 MPa (at ambient temperature)/600 degrees C - Dimensions |  | 
              
              
                | ISO | ISO 13589 | Aerospace - Nuts, bihexagonal, self-locking, with counterbore and MJ threads, classifications: 1 100 MPa (at ambient temperature)/425 degrees C, 1 100 MPa (at ambient temperature)/650 degrees C, 1 210 MPa (at ambient temperature)/425 degrees C, 1 210 MPa (at ambient temperature)/730 degrees C, 1 550 MPa (at ambient temperature)/235 degrees C, 1 550 MPa (at ambient temperature)/425 degrees C and 1 550 MPa (at ambient temperature)/600 degrees C - Dimensions |  | 
              
              
                | BSI | BS A 318 | Nuts, hexagonal, slotted (castellated), reduced height, reduced across flats, with MJ threads, classifications. 450 MPa (at ambient temperature)/425°C, 600 MPa (at ambient temperature)/235°C, 600 MPa (at ambient temperature)/315°C, 600 MPa (at ambient temperature)/650°C, 900 MPa (at ambient temperature)/235°C, 900 MPa (at ambient temperature)/730°C and 1100 MPa (at ambient temperature)/600 |  | 
              
              
                | ISO | ISO 9609 | Aerospace - Nuts, hexagonal, plain, reduced height, normal across flats, with MJ threads, classifications: 450 MPa (at ambient temperature) /120 degrees C, 450 MPa (at ambient temperature) /235 degrees C, 600 MPa (at ambient temperature) /425 degrees C, 900 MPa (at ambient temperature) /235 degrees C, 900 MPa (at ambient temperature) /315 degrees C, 900 MPa (at ambient temperature) /650 degrees C, 1 100 MPa (at ambient temperature) /235 degrees C, 1 100 MPa (at ambient temperature) /730 degrees C and 1 250 MPa (at ambient temperature)/600 degrees C - Dimensions |  | 
              
              
                | BSI | BS A 319 | Nuts, hexagonal, plain, reduced height, reduced across flats, with MJ threads, classifications: 450 MPa (at ambient temperature)/425°C, 600 MPa (at ambient temperature)/235°C, 600 MPa (at ambient temperature)/315°C, 600 MPa (at ambient temperature)/650°C, 900 MPa (at ambient temperature)/235°C, 900 MPa (at ambient temperature)/730°C and 1100 MPa (at ambient temperature)/600°C. Dimensions |  | 
              
              
                | BSI | BS A 314 | Aerospace. Nuts, hexagonal, plain, reduced height, normal across flats, with MJ threads, classifications: 450 MPa (at ambient temperature)/120 anddeg;C, 450 MPa (at ambient temperature)/235 anddeg;C, 600 MPa (at ambient temperature)/425 anddeg;C, 900 MPa (at ambient temperature)/235 anddeg;C, 900 MPa (at ambient temperature)/315 anddeg;C, 900 MPa (at ambient temperature)/650 anddeg;C, 1100 MPa (at ambient temperature)/235 anddeg;C, 1100 MPa (at ambient temperature)/730 anddeg;C and 1250 MPa (at ambient temperature)/ 600 anddeg;C. |  | 
              
              
                | BSI | BS ISO 9618 | Aerospace. Nuts, hexagonal, slotted (castellated), reduced height, normal across flats, with MJ threads, classifications: 450 MPa (at ambient temperature)/120 °C, 450 MPa (at ambient temperature)/235 °C, 600 MPa (at ambient temperature)/425 °C, 900 MPa (at ambient temperature)/235 °C, 900 MPa (at ambient temperature)/315 °C, 900 MPa (at ambient temperature)/650 °C, 1 100 MPa (at ambient temp |  | 
              
              
                | ISO | ISO 10096 | Aerospace - Nuts, hexagonal, slotted (castellated), reduced height, reduced across flats, with MJ threads, classifications: 450 MPa (at ambient temperature)/425 degrees C, 600 MPa (at ambient temperature)/235 degrees C, 600 MPa (at ambient temperature)/315 degrees C, 600 MPa (at ambient temperature)/650 degrees C, 900 MPa (at ambient temperature)/235 degrees C, 900 MPa (at ambient temperature)/730 degrees C and 1 100 MPa (at ambient temperature)/600 degrees C - Dimensions |  | 
              
              
                | ISO | ISO 9199 | Aerospace - Nuts, bihexagonal, self-locking, MJ threads, classifications: 1 100 MPa (at ambient temperature)/425 degrees C, 1 100 MPa (at ambient temperature)/650 degrees C, 1 210 MPa (at ambient temperature)/425 degrees C, 1 210 MPa (at ambient temperature)/730 degrees C, 1 550 MPa (at ambient temperature)/235 degrees C, 1 550 MPa (at ambient temperature)/425 degrees C and 1 550 MPa (at ambient temperature)/600 degrees C - Dimensions |  | 
              
              
                | BSI | BS A 327 | Nuts, bihexagonal, self-locking, with counterbore and MJ threads, classifications: 1100 MPa (at ambient temperature)/425°C, 1100 MPa (at ambient temperature)/650°C, 1210 MPa (at ambient temperature)/425°C, 1210 MPa (at ambient temperature)/730°C, 1550 MPa (at ambient temperature)/235°C, 1550 MPa (at ambient temperature)/425°C and 1550 MPa (at ambient temperature)/600°C. Dimensions |  | 
              
              
                | BSI | BS ISO 8279 | Aerospace. Nuts, hexagonal, plain, normal height, normal across flats, with MJ threads, classifications: 600 MPa (at ambient temperature)/120 °C, 600 MPa (at ambient temperature)/235 °C, 900 MPa (at ambient temperature)/425 °C, 1100 MPa (at ambient temperature)/ 235 °C, 1100 MPa (at ambient temperature)/315 °C, 1100 MPa (at ambient temperature)/650  Degrees C, 1210 MPa (at ambient temperature)/730 $ |  | 
              
              
                | ISO | ISO 8279 | Aerospace - Nuts, hexagonal, plain, normal height, normal across flats, with MJ threads, classifications: 600 MPa (at ambient temperature)/120 degrees C, 600 MPa (at ambient temperature)/235 degrees C, 900 MPa (at ambient temperature)/425 degrees C, 1 100 MPa (at ambient temperature)/235 degrees C, 1 100 MPa (at ambient temperature)/315 degrees C, 1 100 MPa (at ambient temperature)/650 degrees C, 1 210 MPa (at ambient temperature)/730 degrees C, 1 250 MPa (at ambient temperature)/235 degrees C and 1 550 MPa (at ambient temperature)/600 degrees C - Dimensions |  | 
              
              
                | ISO | ISO 4147 | Aerospace - Nuts, hexagonal, slotted (castellated), normal height, normal across flats, with MJ threads, classifications: 600 MPa (at ambient temperature)/120 degrees C, 600 MPa (at ambient temperature)/235 degrees C, 900 MPa (at ambient temperature)/425 degrees C, 1 100 MPa (at ambient temperature)/235 degrees C, 1 100 MPa (at ambient temperature)/315 degrees C, 1 100 MPa (at ambient temperature)/650 degrees C, 1 210 MPa (at ambient temperature)/730 degrees C, 1 250 MPa (at ambient temperature)/235 degrees C and 1 550 MPa (at ambient temperature)/600 degrees C - Dimensions |  | 
              
              
                | BSI | BS ISO 9609 | Aerospace. Nuts, hexagonal, plain, reduced height<(>,<)> normal across f lats, with MJ threads, classifications: 450 MPa (at ambient temperature)  /120 °C, 450 MPa (at ambient temperature) /235 °C, 600 MPa (at ambi ent temperature) /425 °C, 900 MPa (at ambient temperature) /235 °C,  900 MPa (at ambient temperature) /315 °C, 900 MPa (at ambient tempera ture) /650 °C,* |  | 
              
              
                | BSI | BS A 324 | Nuts, bihexagonal, self-locking, MJ threads, classifications: 1100 MPa (at ambient temperature)/425°C, 1100 MPa (at ambient temperature)/650°C, 1210 MPa (at ambient temperature)/425°C, 1210 MPa (at ambient temperature)/730°C, 1550 MPa (at ambient temperature)/235°C, 1550 MPa (at ambient temperature)/425°C and 1550 MPa (at ambient temperature)/600°C. Dimensions |  | 
              
              
                | BSI | BS A 316 | Nuts, hexagonal, slotted (castellated), normal height, normal across flats, with MJ threads, classifications. 600 MPa (at ambient temperature)/120°C, 600 MPa (at ambient temperature)/235°C, 900 MPa (at ambient temperature)/425°C, 1100 MPa (at ambient temperature)/235°C, 1100 MPa (at ambient temperature)/315°C, 1100 MPa (at ambient temperature)/650°C, 1210 MPa (at ambient temperature)/730°C |  | 
              
              
                | ISO | ISO 9157 | Aerospace - Nuts, spline-drive, self-locking, with MJ threads, classifications: 1 100 MPa (at ambient temperature)/425 degrees C, 1 100 MPa (at ambient temperature)/650 degrees C, 1 210 MPa (at ambient temperature)/425 degrees C, 1 210 MPa (at ambient temperature)/730 degrees C, 1 550 MPa (at ambient temperature)/235 degrees C, 1 550 MPa (at ambient temperature)/425 degrees C and 1 550 MPa (at ambient temperature)/600 degrees C - Dimensions |  | 
              
              
                | SAE | SAE TS137 | TS137 Technical Specification for Self Retaining "Impedance Type" Bolt - Imperial Tensile Strength 1275 MPa (185,000 lbf/in²) at Ambient Temperature 1065 MPa (154,000 lbf/in² at 425°C |  | 
              
              
                | SAE | SAE TS27 | TS27 Manufacturing Specification for Studs, Bolts and Screws in BS HR601 Material 1000 MPa (145,000 lbf/in²) Tensile at Room Temperature (for which Forging is optional and Qualification not a requirement) |  | 
              
              
                | BSI | BS A 359 | Nuts, barrel, self-locking, floating, with MJ threads, classifications. 900 MPa (at ambient temperature)/235°C, 1100 MPa (at ambient temperature)/235°C, 1250 MPa (at ambient temperature)/235°C, 1550 MPa (at ambient temperature)/235°C. Dimensions |  | 
              
              
                | SAE | SAE TS148 | TS148 Manufacturing Specification for Studs, Bolts and Screws in DTD5638, EN2952, EN2961 and EN3219 Material, 1275 MPa (185,000 lbf/in²) Tensile at Room Temperature (for which Forging is Optional and Qualification not a Requirement) |  | 
              
              
                | ISO | ISO 12278 | Aerospace -- Nuts, barrel, self-locking, floating, self-aligning, with MJ threads, classifications: 900 MPa (at ambient temperature) / 235 degrees C, 1100 MPa (at ambient temperature) / 235 degrees C, 1250 MPa (at ambient temperature) / 235 degrees C and 1550 MPa (at ambient temperature) / 235 degrees C -- Dimensions |  |