Applications and selection
Confined pockets and low-profile assemblies designed around a thin square nut.
Specify thickness, width and thread engagement. Check the pocket dimensions and mechanical requirements with the intended mating fastener.
Dimensions & technical reference
DIN 562:2013
The cited thin square-nut table ends at M10. The wider catalog inquiry range must be treated as drawing-based, rather than standard DIN 562 dimensions.
| Nominal size | P | s max | m max | m min |
|---|---|---|---|---|
| M1.6 | 0.35 | 3.2 | 1 | 0.6 |
| M2 | 0.4 | 4 | 1.2 | 0.8 |
| M2.5 | 0.45 | 5 | 1.6 | 1.2 |
| M3 | 0.5 | 5.5 | 1.8 | 1.4 |
| (M3.5) | 0.6 | 6 | 2 | 1.6 |
| M4 | 0.7 | 7 | 2.2 | 1.8 |
| M5 | 0.8 | 8 | 2.7 | 2.3 |
| M6 | 1 | 10 | 3.2 | 2.72 |
| M8 | 1.25 | 13 | 4 | 3.52 |
| M10 | 1.5 | 16 | 5 | 4.52 |
Dimensional source: 164580 · DIN 562:2013 ↗. “—” means no value listed for this combination. P is thread pitch; min / max are dimensional limits. The selection above is not the full standard or a stock list.
Catalog inquiry range: M6 - M30. Availability, lengths, grades and finishes are confirmed by quotation. Sizes outside the cited reference table require the applicable standard dimensions or an approved drawing. Quote the exact standard and edition; DIN, ISO and U.S. references are not automatically interchangeable.
Materials, surface finishes and standards
Materials for this series: Carbon Steel, Stainless Steel. Surface finishes: HDG, Stainless. Compatibility between the grade, finish and operating environment needs to be confirmed.
For titanium, nickel alloy or other non-ferrous requirements, include the exact material grade and drawing. Required mechanical properties, inspection documents and traceability should be stated in the inquiry.
Thin square-nut height must be confirmed by standard edition or drawing; do not infer equivalence from the product name. Standards from different systems can vary in dimensions, threads, product scope and test requirements. Confirm the exact designation and edition in the quotation.
Ordering standard
DIN 562:2013
United States references for a separate inquiry: ASME B18.2.2 (related inch reference). Confirm the exact form, thread system and drawing before quoting.
What to send for a quotation
- Square Thin Nuts or your part number, with the relevant standard and edition.
- Exact dimensions, thread details, quantity and any critical tolerances.
- Material grade, surface finish, inspection requirements and delivery destination.
- For customization, a drawing revision and a description of the mating assembly.
Common questions about square thin nuts
Is a thin square nut defined only by its thread size?
No. The body width, thickness, chamfers and required properties also determine whether it fits the assembly.
Can I request a size or material outside this listing?
Yes. Send the required dimensions and exact material grade for review. A quotation is needed to confirm feasibility, price and lead time.