YSFR

YSFR

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