Description

YSFR Precision Locknut. The YSFR type locknut is equipped with three flank fixing thread screws and three radial locking screws. This is especially suitable for customer’s requiring large shaft size locknut tightening with excellent locking torque.

• Material Composition： SCM440(42CrMo4)
• Hardness： HRC28° ~32°
• Thread Precision： ISO 4H
• Manufacturing Method： High Precision Turning
• Run Out： 0.008mm/p>

Thread D h d n x g/b t/c m m1 MAX Nm YSFR M310x4 365 42 340 6×24 Ø22 12 338 M14 M14 100.0 YSFR M320x4 375 350 348 YSFR M330x4 385 360 358 YSFR M340x4 395 370 368 YSFR M350x4 405 380 378 YSFR M360x4 415 44 388 6×26 Ø22 13 387 M16 M16 150.0 YSFR M370x4 425 398 397 YSFR M380x4 435 408 407 YSFR M390x4 445 418 417 YSFR M400x4 465 438 6×30 Ø22 435 YSFR M410x4 475 46 444 15 443 YSFR M420x4 485 454 452 YSFR M430x4 495 464 462 YSFR M440x4 505 474 472 YSFR M450x4 515 484 482