Standard: BS1806/ISO 3601
Choose material:
Please select a size below for further information
| Size | 6.9 mm Cross Section | 6.99 mm Cross Section |
|---|---|---|
| 113.67 mm ID Size Ref. 425 | Preferred | |
| 114.7 mm ID Size Ref. 624 | Preferred | |
| 116.84 mm ID Size Ref. 426 | Preferred | |
| 120.02 mm ID Size Ref. 427 | Preferred | |
| 123.19 mm ID Size Ref. 428 | Preferred | |
| 124.6 mm ID Size Ref. 625 | Preferred | |
| 126.37 mm ID Size Ref. 429 | Preferred | |
| 129.54 mm ID Size Ref. 430 | Preferred | |
| 132.72 mm ID Size Ref. 431 | Preferred | |
| 134.5 mm ID Size Ref. 626 | Preferred | |
| 135.89 mm ID Size Ref. 432 | Preferred | |
| 139.07 mm ID Size Ref. 433 | Preferred | |
| 142.24 mm ID Size Ref. 434 | Preferred | |
| 145.42 mm ID Size Ref. 435 | Preferred | |
| 148.59 mm ID Size Ref. 436 | Preferred | |
| 151.77 mm ID Size Ref. 437 | Preferred | |
| 155.6 mm ID Size Ref. 872 | Preferred | |
| 158.12 mm ID Size Ref. 438 | Preferred | |
| 159.5 mm ID Size Ref. 627 | Preferred | |
| 161.9 mm ID Size Ref. 874 | Preferred | |
| 164.47 mm ID Size Ref. 439 | Preferred | |
| 166.7 mm ID Size Ref. 628 | Preferred | |
| 168.3 mm ID Size Ref. 876 | Preferred | |
| 170.82 mm ID Size Ref. 440 | Preferred | |
| 174.6 mm ID Size Ref. 878 | Preferred | |
| 177.17 mm ID Size Ref. 441 | Preferred | |
| 181 mm ID Size Ref. 880 | Preferred | |
| 183.52 mm ID Size Ref. 442 | Preferred | |
| 187.3 mm ID Size Ref. 882 | Preferred | |
| 189.87 mm ID Size Ref. 443 | Preferred | |
| 193.7 mm ID Size Ref. 884 | Preferred | |
| 196.22 mm ID Size Ref. 444 | Preferred | |
| 199.8 mm ID Size Ref. 886 | Preferred | |
| 202.57 mm ID Size Ref. 445 | Preferred | |
| 208.92 mm ID Size Ref. 674 | Preferred | |
| 215.27 mm ID Size Ref. 446 | Preferred | |
| 221.62 mm ID Size Ref. 676 | Preferred | |
| 227.97 mm ID Size Ref. 447 | Preferred | |
| 234.32 mm ID Size Ref. 678 | Preferred | |
| 240.67 mm ID Size Ref. 448 | Preferred | |
| 247 mm ID Size Ref. 680 | Preferred | |
| 253.37 mm ID Size Ref. 449 | Preferred | |
| 259.7 mm ID Size Ref. 682 | Preferred | |
| 266.07 mm ID Size Ref. 450 | Preferred | |
| 272.4 mm ID Size Ref. 684 | Preferred | |
| 278.77 mm ID Size Ref. 451 | Preferred | |
| 285.1 mm ID Size Ref. 686 | Preferred | |
| 291.47 mm ID Size Ref. 452 | Preferred | |
| 297.8 mm ID Size Ref. 688 | Preferred | |
| 304.17 mm ID Size Ref. 453 | Preferred | |
| 310.5 mm ID Size Ref. 648 | Preferred | |
| 316.87 mm ID Size Ref. 454 | Preferred | |
| 323.2 mm ID Size Ref. 649 | Preferred | |
| 329.57 mm ID Size Ref. 455 | Preferred | |
| 335.9 mm ID Size Ref. 650 | Preferred | |
| 342.27 mm ID Size Ref. 456 | Preferred | |
| 354.97 mm ID Size Ref. 457 | Preferred | |
| 367.67 mm ID Size Ref. 458 | Preferred | |
| 380.37 mm ID Size Ref. 459 | Preferred | |
| 393.07 mm ID Size Ref. 460 | Preferred | |
| 405.26 mm ID Size Ref. 461 | Preferred | |
| 417.96 mm ID Size Ref. 462 | Preferred | |
| 430.66 mm ID Size Ref. 463 | Preferred | |
| 443.36 mm ID Size Ref. 464 | Preferred | |
| 456.06 mm ID Size Ref. 465 | Preferred | |
| 468.76 mm ID Size Ref. 466 | Preferred | |
| 481.46 mm ID Size Ref. 467 | Preferred | |
| 494.16 mm ID Size Ref. 468 | Preferred | |
| 506.86 mm ID Size Ref. 469 | Preferred | |
| 532.26 mm ID Size Ref. 470 | Preferred | |
| 557.66 mm ID Size Ref. 471 | Preferred | |
| 582.68 mm ID Size Ref. 472 | Preferred | |
| 608.08 mm ID Size Ref. 473 | Preferred | |
| 633.48 mm ID Size Ref. 474 | Preferred | |
| 658.88 mm ID Size Ref. 475 | Preferred |