六角螺母完整指南，涵盖DIN 934、ISO 4032标准，力学性能，及非洲市场的建筑和工业应用选型标准。
What Are Hex Nuts?
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Standard Hex Nut Sizes (Metric)
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| Nut Size | Width Across Flats | Thickness | Thread Pitch |
|---|---|---|---|
| M6 | 10mm | 5.2mm | 1.0mm |
| M8 | 13mm | 6.8mm | 1.25mm |
| M10 | 17mm | 8.4mm | 1.5mm |
| M12 | 19mm | 10.8mm | 1.75mm |
| M16 | 24mm | 14.8mm | 2.0mm |
| M20 | 30mm | 18.0mm | 2.5mm |
| M24 | 36mm | 21.5mm | 3.0mm |
Grade Selection: Matching Nuts to Bolts
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| Nut Grade | Proof Load | Tensile Strength | Matching Bolt |
|---|---|---|---|
| Grade 8 | 680 N/mm² | 800 N/mm² | 8.8 grade bolts |
| Grade 10 | 830 N/mm² | 1040 N/mm² | 10.9 grade bolts |
| Grade 12 | 970 N/mm² | 1150 N/mm² | 12.9 grade bolts |
Surface Finishes for African Environments
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Procurement Considerations
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常见问题
See frequently asked questions below.
What are Technical Guide and how are they used?
Technical Guide are essential components in construction and manufacturing. Proper selection depends on load requirements, environmental conditions, and material compatibility.
How do I choose the right fastener for my project?
Consider the material being fastened, load requirements, environmental exposure, and applicable standards. Consult with a professional if unsure about specifications.
What materials are available for these fasteners?
Common materials include carbon steel, stainless steel, alloy steel, and specialty alloys. Each offers different strength, corrosion resistance, and cost characteristics.
Do you offer custom manufacturing?
Yes, we offer custom fastener manufacturing to spec. Contact our sales team with your requirements for pricing and lead times.
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