
| (mm) | M3 | M4 | M5 | M6 | M8 | M10 | M12 | M14 | M16 | M20 |
|---|---|---|---|---|---|---|---|---|---|---|
| P | 0.5 | 0.7 | 0.8 | 1 | 1.25 | 1.5 | 1.75 | 2 | 2 | 2.5 |
| da max | 3.6 | 4.7 | 5.7 | 6.8 | 9.2 | 11.2 | 13.7 | 15.7 | 17.7 | 22.4 |
| ds | 2.68 | 3.55 | 4.48 | 5.35 | 7.19 | 9.03 | 10.86 | 12.70 | 14.70 | 18.38 |
| e min | 5.98 | 7.5 | 8.63 | 10.89 | 14.2 | 17.59 | 19.85 | 22.78 | 26.17 | 32.95 |
| k max | 2.2 | 3 | 3.74 | 4.24 | 5.54 | 6.69 | 7.79 | 9.09 | 10.29 | 12.85 |
| k min | 1.8 | 2.6 | 3.26 | 3.76 | 5.06 | 6.11 | 7.21 | 8.51 | 9.71 | 12.15 |
| r min | 0.1 | 0.2 | 0.25 | 0.4 | 0.4 | 0.4 | 0.6 | 0.6 | 0.6 | 0.8 |
| s max | 5.5 | 7 | 8 | 10 | 13 | 16 | 18 | 21 | 24 | 30 |
| s min | 5.2 | 6.64 | 7.64 | 9.64 | 12.57 | 15.57 | 17.57 | 20.16 | 23.16 | 29.16 |
The Heavy Hex Head Bolt is a versatile and robust fastener designed for high-torque applications, suitable for demanding industrial and construction projects.
Key Features:
- Heavy hex head for increased grip and ease of installation
- Designed for high-strength fastening needs
- Available in multiple metric sizes for various specifications
- Suitable for heavy-duty applications requiring secure fastening
Specifications:
- Metric sizes range from M3 to M20
- Pitch (P): 0.5 to 2.5 mm depending on size
- Maximum outer diameter (da max): 3.6 to 22.4 mm
- Diameter of shank (ds): 2.68 to 18.38 mm
- Minimum thread engagement (e min): 5.98 to 32.95 mm
- Maximum head height or width (k max): 2.2 to 12.85 mm
- Minimum head height or width (k min): 1.8 to 12.15 mm
- Minimum radius (r min): 0.1 to 0.8 mm
- Maximum shoulder length (s max): 5.5 to 30 mm
- Minimum shoulder length (s min): 5.2 to 29.16 mm
The Heavy Hex Head Bolt offers reliable fastening performance with a range of sizes and specifications ideal for distributors seeking durable, high-quality bolts for industrial applications.












