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FULLERKREG DIN 980M all-metal insert self-locking hex nuts use a metal collar insert at the top of the nut to generate prevailing torque without any nylon component. Compliant with DIN 980M and ISO 7042 standards, available in A2 (SUS304) and A4 (SUS316) stainless steel, covering sizes M3 to M24 in metric coarse thread. Suitable for high-temperature, high-vibration, and corrosive environments where nylon insert nuts are not applicable.
Metal Insert Self Locking Nut (DIN 980M) - SS-304 A2
Material: SUS304 (A2) · Surface: Passivated · Size: M3-M24 · Grade: A2-70 · General corrosion resistance, non-magnetic
DIN 980M Metal Lock Nut - SS-316 A4
Material: SUS316 (A4) · Surface: Passivated · Size: M3-M24 · Grade: A4-70 · Mo-enhanced, superior chloride and marine corrosion resistance
| Grade | Material | Surface | Size Range | Best For |
|---|---|---|---|---|
| A2-70 | SUS304 Stainless | Passivated | M3 to M24 | General industrial, food, electronics, outdoor |
| A4-70 | SUS316 Stainless | Passivated | M3 to M24 | Marine, offshore, chemical, pharmaceutical |
| Parameter | Specification |
|---|---|
| Standard | DIN 980M / ISO 7042 |
| Type | All-Metal Insert Self-Locking Hex Nut (Metal Collar Type) |
| Thread | Metric Coarse, Tolerance 6H (ISO 965-1) |
| Size Range | M3 to M24 |
| Locking Mechanism | Metal collar insert deformed inward - no nylon, rated to 300 deg C |
| Tensile Strength | 700 MPa min (A2-70 / A4-70) |
| RoHS | Yes - all variants compliant |
| Brand | FULLERKREG |
| Parameter | DIN 980M (This Series) | DIN 980V |
|---|---|---|
| Locking Type | Metal Collar Insert | Top Thread Deformation (Volcano) |
| Size Range | M3 to M24 | M6 to M20 |
| Torque Consistency on Reuse | More consistent | Decreases with reuse |
| Nut Height | Full height (taller) | Shorter profile |
DIN 980M All-Metal Insert Self-Locking Nut Series - actual product photos:
| [Photo 1] | [Photo 2] | [Photo 3] | [Photo 4] |
Direct Manufacturer - Factory-direct pricing with full production traceability.
Strict Dimensional Control - 100% inspection against DIN 980M / ISO 7042 tolerances.
Material Certification - Mill test reports and RoHS certificates available on request.
Corrosion Tested - Salt spray tested per ISO 9227 standard.
Flexible MOQ and Packaging - Bulk bags, boxes, or custom retail packaging available.
Global Shipping - FBA-ready export packaging, direct China-to-warehouse shipping.
OEM Services - Custom marking, packaging, and certification documentation supported.
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