EN14399-6 Heavy Washer M12-M36 S45C/40CR Black Oxide
Description:
EN 14399-6 washers, also known as heavy washers, are designed to be used in high-strength structural bolting assemblies. These washers conform to the EN 14399-6 standard, which specifies their dimensions, material requirements, and mechanical properties. The parameter you mentioned, M12-M36, indicates that these washers are available in metric sizes ranging from M12 to M36.
EN 14399-6 washers with a black oxide finish are commonly used in applications where both structural strength and visual appeal are important. They are suitable for use in various industries, including construction, engineering, and machinery.
| Material | 45#/40CR |
| Size | M12-M36 |
| Finish | Plain/black/ZINC/HDG/Dacromet/Mechanical Galvanized |
| Hardness | HV300/HRC35-45 |
| Marking | can be Customized |
| Application | Constrution/Wind turbines/railway line |
| Packing | Carton+ pallet; we can pack washers as your requirements |
| Terms | FOB+shanghai/ningbo |
| Delivery time | 30-70days |
High Strength:
The hardened steel construction of EN 14399-6 washers provides exceptional strength and resilience, making them ideal for applications that demand robust and reliable fastening solutions.
Flat Circular Shape:
These washers feature a flat, circular design with a centrally located hole, allowing for uniform load distribution under the head of high-strength structural bolts.
Specific Dimensions:
EN 14399-6 washers adhere to the dimensional requirements outlined in the standard to ensure compatibility with corresponding bolts and nuts.
| Size | Inner diameter | Inner diameter (max) | Outside diameter (max) | Outside diameter (min) | Thickness | Thickness | Thickness (min) | Inside chamfer | Inside chamfer (max) | External chamfer |
|---|---|---|---|---|---|---|---|---|---|---|
| M12 | 13 | 13.27 | 24 | 23.48 | 3 | 3.3 | 2.7 | 1.6 | 1.9 | 0.5 |
| M16 | 17 | 17.27 | 30 | 29.48 | 4 | 4.3 | 3.7 | 1.6 | 1.9 | 1 |
| M20 | 21 | 21.33 | 37 | 36.38 | 4 | 4.3 | 3.7 | 2 | 2.5 | 1 |
| M22 | 23 | 23.33 | 39 | 38.38 | 4 | 4.3 | 3.7 | 2 | 2.5 | 1 |
| M24 | 25 | 25.33 | 44 | 43.38 | 4 | 4.3 | 3.7 | 2 | 2.5 | 1 |
| M27 | 28 | 28.52 | 50 | 49 | 5 | 5.6 | 4.4 | 2.5 | 3 | 1 |
| M30 | 31 | 31.62 | 56 | 54.8 | 5 | 5.6 | 4.4 | 2.5 | 3 | 1 |
M36 | 37 | 37.62 | 66 | 64.8 | 6 | 6.6 | 5.4 | 3 | 3.5 | 1.5 |
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