See stock sizes below and we can also manufacture specials, including non standard thread diameters, lengths, pitches, plain portions, head diameters etc.
All specifications and technical drawings are for guidance purposes only. Sizes and materials not listed available to order.For quotes,queries or made to order requests, please call us or email us.
| Hex Bolt DIN931 Technical information | |||||||
Dia (mm) | Pitch (mm) | S | K Min | b(L<125mm) | b Max(L>125mm) | b Max(L>200mm） | Available Length（mm) |
| M3 | 0.5 | 5.5 | 2 | 12 | - | - | 5 TO 50 |
| M4 | 0.7 | 7 | 2.8 | 14 | - | - | 6 TO 70 |
| M5 | 0.8 | 8 | 3.5 | 16 | 22 | - | 6 TO 100 |
| M6 | 1.0 | 10 | 4 | 18 | 24 | - | 6 TO 200 |
| M7 | 1.0 | 11 | 4.8 | 20 | 26 | - | 12 TO 60 |
| M8 | 1.25 | 13 | 5.3 | 22 | 28 | - | 8 TO 300 |
| M10 | 1.5 | 17 | 6.4 | 26 | 32 | 45 | 10 TO 500 |
| M12 | 1.75 | 19 | 7.5 | 30 | 36 | 49 | 12 TO 600 |
| M14 | 2.0 | 22 | 8.8 | 34 | 40 | 53 | 16 TO 300 |
| M16 | 2.0 | 24 | 10 | 38 | 44 | 57 | 16 TO 1000 |
| M18 | 2.5 | 27 | 11.5 | 42 | 48 | 61 | 25 TO 320 |
| M20 | 2.5 | 30 | 12.5 | 46 | 52 | 65 | 25 TO 1000 |
| M22 | 2.5 | 34 | 14 | 50 | 56 | 69 | 40 TO 1000 |
| M24 | 3.0 | 36 | 15 | 54 | 60 | 73 | 30 TO 1000 |
| M27 | 3.0 | 41 | 17 | 60 | 66 | 79 | 40 TO 1000 |
| M30 | 3.5 | 46 | 18.7 | 66 | 72 | 85 | 40 TO 1500 |
| M33 | 3.5 | 50 | 21 | 72 | 78 | 91 | 60 TO 1000 |
| M36 | 4.0 | 55 | 22.5 | 78 | 84 | 97 | 50 TO 1000 |
| M39 | 4.0 | 60 | 25 | 84 | 90 | 103 | 110 TO 600 |
| M42 | 4.5 | 65 | 26 | 90 | 96 | 109 | 70 TO 600 |
| M45 | 4.5 | 70 | 28 | 96 | 102 | 115 | 120 TO 600 |
| M48 | 5.0 | 75 | 30 | 102 | 108 | 121 | 140 TO 600 |
| M52 | 5.0 | 80 | 33 | - | 116 | 129 | 160 TO 600 |
| M56 | 5.5 | 85 | 35 | - | 124 | 137 | 160 TO 600 |
| M60 | 5.5 | 90 | 38 | - | 132 | 145 | 160 TO 600 |
