| Metric Heavy Hex Flange Bolt (B18.2.3.9M) | Units: mm | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
|
Nominal |
Width Across Flats (F) |
Width
|
Flange |
Body Diameter (E) |
Head Height (H) |
Hex |
Thread |
||||
| Max | Min | Max | Min | Max | Max | Min | Max | Min | Basic | ||
| M5 | 8.00 | 7.64 | 7.44 | 8.56 | 11.80 | 5.00 | 4.82 | 5.80 | 2.80 | 16.00 | |
| M6 | 10.00 | 9.64 | 8.56 | 10.80 | 14.20 | 6.00 | 5.82 | 6.60 | 3.40 | 18.00 | |
| M8 | 13.00 | 12.57 | 10.80 | 14.08 | 18.00 | 8.00 | 7.78 | 8.10 | 4.20 | 22.00 | |
| M10 | 15.00 | 14.57 | 14.08 | 16.32 | 22.30 | 10.00 | 9.78 | 10.40 | 5.70 | 26.00 | |
| M12 | 18.00 | 17.57 | 16.32 | 19.68 | 26.60 | 12.00 | 11.73 | 11.80 | 6.10 | 30.00 | |
| M14 | 21.00 | 20.16 | 19.68 | 22.58 | 30.50 | 14.00 | 13.73 | 13.70 | 7.10 | 34.00 | |
| M16 | 24.00 | 23.16 | 22.58 | 25.94 | 35.00 | 16.00 | 15.73 | 15.40 | 8.70 | 38.00 | |
| B18.2.3.9M Class 8.8 | B18.2.3.9M Class 10.9 | B18.2.3.9M Class 12.9 |
| Material: 10B21/AISI 1035 | Material: Alloy Steel AISI 4135 | Material: Alloy Steel AISI 4135 |
| Tensile Strength: Min 800 MPa | Tensile Strength: Min 1040 MPa | Tensile Strength: Min 1220 MPa |
| Core Hardness: HRC 22~32 | Core Hardness: HRC 32~39 | Core Hardness: HRC 39~44 |
| Class of Thread: M5 through M16, 6g | Class of Thread: M5 through M16, 6g | Class of Thread: M5 through M16, 6g |
Additional Resources
