Square Square Hex
We supply square square in the following materials,
| Steel grades | 4.6 | 8.8 |
Dimensions for BS7419 Square Square Hex
| Diameter | Width of square head | Depth of square head | Standard Thread Length |
| M12 | 19mm | 8mm | 112mm |
| M16 | 24mm | 10mm | 116mm |
| M20 | 30mm | 12.5mm | 120mm |
| M22 | 32mm | 14mm | 122mm |
| M24 | 36mm | 15mm | 124mm |
| M27 | 41mm | 17mm | 127mm |
| M30 | 46mm | 18.7mm | 130mm |
| M33 | 50mm | 21mm | 133mm |
| M36 | 55mm | 22.5mm | 136mm |
| M39 | 60mm | 25mm | 139mm |
| M42 | 65mm | 26mm | 142mm |
| M45 | 70mm | 28mm | 145mm |
| M48 | 75mm | 30mm | 148mm |
