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ALNd - Metric Cl8

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  • ALNd - Metric Cl8

ALNd — Metric Class 8 (Double-Slotted All-Metal Lock Nuts)

Steel Class 8 prevailing-torque nuts per ISO 2320, optimized for repeatable assembly and re-use. Zinc & Yellow (RoHS) finish as standard; Cadmium/Nickel on request.

Auto-Lok® ALNd double-slotted Class 8 lock nut — product image
Auto-Lok® ALNd double-slotted lock nut technical sketch
  • Material grade: Steel Class 8 (hardness per ISO 898-2).
  • Finish: Zinc & Yellow (RoHS). Optional Cadmium or Nickel.
  • Performance: Prevailing-torque compliant with ISO 2320 (re-use cycles).
  • Compliance: RoHS conformant.
  • Note: U.S. Grade 5 nuts are similar in strength to European Metric Class 8.
Metric ALNd Class 8 — dimensions in mm (reference program; availability may vary).
Part NumberdPitchShm
ALNdM2,5X045CL8M2,50,455,04,52,4
ALNdM3X050CL8M30,505,54,752,45
ALNdM3,5X060CL8M3,50,607,05,02,5
ALNdM4X070CL8M40,707,05,63,3
ALNdM5X080CL8M50,808,06,83,9
ALNdM6X100CL8M61,0010,08,55,0
ALNdM8X125CL8M81,2513,010,56,0
ALNdM10X150CL8M101,5017,013,07,6
ALNdM12X175CL8M121,7519,015,08,5
ALNdM14X200CL8M142,0022,017,010,0
ALNdM16X200CL8M162,0024,019,512,0
ALNdM18X250CL8M182,5027,022,014,0
ALNdM20X250CL8M202,5030,024,015,5
ALNdM22X250CL8M222,5032,026,517,5
ALNdM24X300CL8M243,0036,029,019,0
ALNdM27X300CL8M273,0041,033,022,0
ALNdM30X350CL8M303,5046,039,026,0
ALNdM33X350CL8M333,5050,043,030,0
ALNdM36X400CL8M364,0055,047,032,5
ALNdM39X400CL8M394,0060,050,035,0
ALNdM42X450CL8M424,5065,054,037,5
ALNdM45X450CL8M454,5070,058,041,0
ALNdM48X500CL8M485,0075,062,042,5

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Available on request: alternative material/finish grades and additional sizes.

Sizes may diverge from those stated above. For flight- or safety-critical applications, confirm specification, torque, and material with engineering.


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