Related Specifications
Surface Treatments
Certifications
- ISO 9001 - 2015 Certified
- PED 2014/68/EC
- NACE MR0175/ISO 15156-2
- NORSOK M-650
- DFAR
- MERKBLATT AD 2000 W2/W7/W10
ASTM F436/F436M Type 1 Circular Washer
ASTM F436/F436M Type 1 Circular Washers are standard round hardened carbon steel washers manufactured for general-purpose structural fastening. Designed to distribute load evenly under bolt heads and nuts, they protect surfaces from damage and enhance the performance of bolted joints. These washers are commonly used with high-strength structural fasteners in construction and industrial applications.
ASTM F436M Dimensions of Circular Washers (Metric Washers)
| Nominal Washer Size, mm A | Inside Diameter (A), mm | Outside Diameter (B), mm | Thickness (C), mm | Clipped Width (E), mm, min B | |||
|---|---|---|---|---|---|---|---|
| min | max | min | max | min | max | ||
| 12 | 14.0 | 14.4 | 25.7 | 27.0 | 3.1 | 4.6 | 10.5 |
| 14 | 16.0 | 16.4 | 28.7 | 30.0 | 3.1 | 4.6 | 12.2 |
| 16 | 18.0 | 18.4 | 32.4 | 34.0 | 3.1 | 4.6 | 14.0 |
| 20 | 22.0 | 22.5 | 40.4 | 42.0 | 3.1 | 4.6 | 17.5 |
| 22 | 24.0 | 24.5 | 42.4 | 44.0 | 3.4 | 4.6 | 19.2 |
| 24 | 26.0 | 26.5 | 48.4 | 50.0 | 3.4 | 4.6 | 21.0 |
| 27 | 30.0 | 30.5 | 54.1 | 56.0 | 3.4 | 4.6 | 23.6 |
| 30 | 33.0 | 33.6 | 58.1 | 60.0 | 3.4 | 4.6 | 26.2 |
| 36 | 39.0 | 39.6 | 70.1 | 72.0 | 3.4 | 4.6 | 31.5 |
| 42 | 45.0 | 45.6 | 81.8 | 84.0 | 4.6 | 7.2 | 36.7 |
| 48 | 52.0 | 52.7 | 92.8 | 95.0 | 4.6 | 7.2 | 42.0 |
| 56 | 62.0 | 62.7 | 104.8 | 107.0 | 6.1 | 8.7 | 49.0 |
| 64 | 70.0 | 70.7 | 115.8 | 118.0 | 6.1 | 8.7 | 56.0 |
| 72 | 78.0 | 78.7 | 127.5 | 130.0 | 6.1 | 8.7 | 63.0 |
| 80 | 86.0 | 86.9 | 139.5 | 142.0 | 6.1 | 8.7 | 70.0 |
| 90 | 96.0 | 96.9 | 156.5 | 159.0 | 6.1 | 8.7 | 78.7 |
| 100 | 107.0 | 107.9 | 173.5 | 176.0 | 6.1 | 8.7 | 87.5 |
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ASTM F436 Related Products
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