ALNd — Metric Class A4 (Double-Slotted All-Metal Lock Nuts)
Stainless steel A4-80 (per ISO 3506-2) prevailing-torque nuts designed for repeatable assembly and re-use. Standard electro-polished + wax coat finish. Ideal for corrosion-resistant applications.
- Material grade: Stainless Steel A4-80 (ISO 3506-2).
- Finish: Electro-polishing + wax coat.
- Performance: Prevailing-torque verified to ISO 2320; proof load as per ISO 898-2.
- Compliance: RoHS conformant.
| Part Number | d | Pitch | S | h | m |
|---|---|---|---|---|---|
| ALNdM2,5X045A4 | M2,5 | 0,45 | 5,0 | 4,5 | 2,4 |
| ALNdM3X050A4 | M3 | 0,50 | 5,5 | 4,75 | 2,45 |
| ALNdM3,5X060A4 | M3,5 | 0,60 | 7,0 | 5,0 | 2,5 |
| ALNdM4X070A4 | M4 | 0,70 | 7,0 | 5,6 | 3,3 |
| ALNdM5X080A4 | M5 | 0,80 | 8,0 | 6,8 | 3,9 |
| ALNdM6X100A4 | M6 | 1,00 | 10,0 | 8,5 | 5,0 |
| ALNdM8X125A4 | M8 | 1,25 | 13,0 | 10,5 | 6,0 |
| ALNdM10X150A4 | M10 | 1,50 | 17,0 | 13,0 | 7,6 |
| ALNdM12X175A4 | M12 | 1,75 | 19,0 | 15,0 | 8,5 |
| ALNdM14X200A4 | M14 | 2,00 | 22,0 | 17,0 | 10,0 |
| ALNdM16X200A4 | M16 | 2,00 | 24,0 | 19,5 | 12,0 |
| ALNdM18X250A4 | M18 | 2,50 | 27,0 | 22,0 | 14,0 |
| ALNdM20X250A4 | M20 | 2,50 | 30,0 | 24,0 | 15,5 |
| ALNdM22X250A4 | M22 | 2,50 | 32,0 | 26,5 | 17,5 |
| ALNdM24X300A4 | M24 | 3,00 | 36,0 | 29,0 | 19,0 |
| ALNdM27X300A4 | M27 | 3,00 | 41,0 | 33,0 | 22,0 |
| ALNdM30X350A4 | M30 | 3,50 | 46,0 | 39,0 | 26,0 |
| ALNdM33X350A4 | M33 | 3,50 | 50,0 | 43,0 | 30,0 |
| ALNdM36X400A4 | M36 | 4,00 | 55,0 | 47,0 | 32,5 |
| ALNdM39X400A4 | M39 | 4,00 | 60,0 | 50,0 | 35,0 |
| ALNdM42X450A4 | M42 | 4,50 | 65,0 | 54,0 | 37,5 |
| ALNdM45X450A4 | M45 | 4,50 | 70,0 | 58,0 | 41,0 |
| ALNdM48X500A4 | M48 | 5,00 | 75,0 | 62,0 | 42,5 |
| ALNdM52X500A4 | M52 | 5,00 | 80,0 | 67,0 | 46,5 |
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Available on request: alternative finishes and additional sizes.
Sizes may diverge from those stated above. For safety-critical uses, confirm specification, torque, and material with engineering.