Grade 8.8 Alloy Steel Hex Jam Nuts M8-M20 Fine Thread DIN934 with 6.5-16mm Height
Grade 8.8 alloy steel hex jam nuts with fine thread in sizes M8-M20, manufactured to DIN934 standards for industrial fastening applications.
Material: Alloy Steel, 201 Stainless Steel, 316 Stainless Steel
Strength Grade: Grade 8.8
Finish: Black Oxide
Certifications: ISO, DIN
| Size | Code | Height (mm) | Width (mm) |
|---|---|---|---|
| M8 x 1.0 | BZX.N1504-M8-1.0 | 6.5 | 13 |
| M10 x 1.0 | BZX.N1504-M10-1.0 | 8 | 17 |
| M10 x 1.25 | BZX.N1504-M10-1.25 | 8 | 17 |
| M12 x 1.0 | BZX.N1504-M12-1.0 | 10 | 19 |
| M12 x 1.25 | BZX.N1504-M12-1.25 | 10 | 19 |
| M12 x 1.5 | BZX.N1504-M12-1.5 | 10 | 19 |
| M14 x 1.5 | BZX.N1504-M14-1.5 | 11 | 22 |
| M16 x 1.5 | BZX.N1504-M16-1.5 | 13 | 24 |
| M18 x 1.5 | BZX.N1504-M18-1.5 | 15 | 27 |
| M20 x 1.5 | BZX.N1504-M20-1.5 | 16 | 30 |
Hex jam nuts are categorized into Type I, Type II, and thin types based on nominal thickness. Grade 8+ nuts are available in Type I and Type II configurations.
Widely used in machinery, building construction, industrial equipment, lighting fixtures, and structural assemblies requiring reliable fastening solutions.
- Precise forging standards with high surface hardness for easy drilling
- Advanced core hardness control technology prevents rupture
- Combined drilling, tapping, and locking in single operation
- Significant time savings and improved work efficiency
- Professional manufacturing with over 15 years of industry experience
- Quality assurance through experienced engineering team
Type I hex nuts (m≥0.8D) conform to GB/T6170 standards, while Type II nuts offer increased height for applications requiring frequent assembly and disassembly without heat treatment.
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