DIN 6798(J) (DIN) and UNI 8842-J (UNI) are equivalent fastener standards that specify the same or very similar products. Both standards cover 2 fastener types in our database.
DIN 6798(J) (DIN standard) and UNI 8842-J (UNI standard) are equivalent standards that define the same fastener geometry and mechanical requirements. Minor differences may exist in tolerances, marking requirements, or referenced test methods, but the products are interchangeable in most applications. Always verify specific project requirements with your engineer.
| Property | DIN 6798(J) | UNI 8842-J |
|---|---|---|
| Standard Body | DIN | UNI |
| Product Types | 2 fastener types | |
| Interchangeable? | Yes — equivalent standard | |
From: Internal Serrated Lock Washers - Form J — applies to both DIN 6798(J) and UNI 8842-J
| Size | P | k_max | k_min | s_max | s_min | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|
| 1.6 | 2.14 | 0.9 | 0.3 | 2 | 4 | 3.7 | 7 |
| 1.8 | 2.54 | 1.2 | 0.4 | 2.4 | 5 | 4.7 | 7 |
| 2 | 3.38 | 1.2 | 0.4 | 3.2 | 6 |
Both DIN 6798(J) and UNI 8842-J fasteners are available with various surface treatments. Common options for these standards include:
Request detailed technical specifications, material certifications, and availability information for your application requirements. Our engineering team can provide product recommendations, custom specifications, and technical documentation.
| 5.7 |
| 7 |
| 2.2 | 4.48 | 1.5 | 0.5 | 4.3 | 8 | 7.64 | 8 |
| 2.5 | 6.62 | 2.1 | 0.7 | 6.4 | 11 | 10.57 | 9 |
| 3 | 7.62 | 2.4 | 0.8 | 7.4 | 12.5 | 12.07 | 10 |
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