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ALNd - Metric A2

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ALNd — Metric A2 (Double-Slotted All-Metal Lock Nuts)

Stainless steel A2-70 prevailing-torque nuts per ISO 2320 with electro-polished finish and wax coat for smooth, repeatable assembly and corrosion resistance.

Auto-Lok® ALNd double-slotted A2-70 stainless lock nut — product image
Auto-Lok® ALNd double-slotted lock nut technical sketch
  • Material grade: Stainless Steel A2-70 (ISO 3506-2).
  • Finish: Electro Polishing + Wax Coat for reduced friction and improved appearance.
  • Performance: Prevailing torque compliant with ISO 2320; proof load per ISO 898-2.
  • Compliance: RoHS conformant.
Metric ALNd A2 — dimensions in mm (reference program; availability may vary).
Part NumberdPitchShm
ALNdM2,5X045A2M2,50,455,04,52,4
ALNdM3X050A2M30,505,54,752,45
ALNdM3,5X050A2M3,50,607,05,02,5
ALNdM4X070A2M40,707,05,63,3
ALNdM5X080A2M50,808,06,83,9
ALNdM6X100A2M61,0010,08,55,0
ALNdM8X125A2M81,2513,010,56,0
ALNdM10X150A2M101,5017,013,07,6
ALNdM12X175A2M121,7519,015,08,5
ALNdM14X200A2M142,0022,017,010,0
ALNdM16X200A2M162,0024,019,512,0
ALNdM18X250A2M182,5027,022,014,0
ALNdM20X250A2M202,5030,024,015,5
ALNdM22X250A2M222,5032,026,517,5
ALNdM24X300A2M243,0036,029,019,0
ALNdM27X300A2M273,0041,033,022,0
ALNdM30X350A2M303,5046,039,026,0
ALNdM33X350A2M333,5050,043,030,0
ALNdM36X400A2M364,0055,047,032,5
ALNdM39X400A2M394,0060,050,035,0
ALNdM42X450A2M424,5065,054,037,5
ALNdM45X450A2M454,5070,058,041,0
ALNdM48X500A2M485,0075,062,042,5
ALNdM52X500A2M525,0080,067,046,5

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Available on request: alternative finishes, additional sizes, and special packaging.

For safety- or flight-critical applications, confirm specification, installation torque, and material with engineering.


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