Stainless Steel Hexagon Head Bolts Half Thread In Standard DIN931 / M10 Hex Head Bolt
DIN931 hexagonal bolts, also known as external hexagonal bolts, are fasteners consisting of two parts: a hexagonal head and a screw with external threads, which are generally used in conjunction with nuts and are commonly used to fasten connections between two parts with through holes.
DIN931 hexagonal bolts are half thread. partly threaded and partly bare rod. The thread include coarse and fine teeth.
Drawing:
| d | P | b | C | da | dw | ds | k | | e |
| A | B | A | B | A | B | A | B | A | B |
| L≤125mm | min | max | max | min | min | min | max | min | max | min | min |
| M1.6 | 0.35 | 9 | 0.1 | 0.25 | 2 | 2.4 | - | 1.46 | - | 0.98 | 1.22 | - | - | 3.02 | - | 3.41 | - |
| M2 | 0.4 | 10 | 0.1 | 0.25 | 2.6 | 3.2 | - | 1.86 | - | 1.28 | 1.52 | - | - | 3.82 | - | 4.32 | - |
| M2.5 | 0.45 | 11 | 0.1 | 0.25 | 3.1 | 4.1 | - | 2.36 | - | 1.58 | 1.82 | - | - | 4.82 | - | 5.45 | - |
| M3 | 0.5 | 12 | 0.15 | 0.4 | 3.6 | 4.6 | - | 2.86 | - | 1.88 | 2.12 | - | - | 5.32 | - | 6.01 | - |
| M3.5 | 0.6 | 13 | 0.15 | 0.4 | 4.1 | 5.1 | - | 3.32 | - | 2.28 | 2.52 | - | - | 5.82 | - | 6.58 | - |
| M4 | 0.7 | 14 | 0.15 | 0.4 | 4.7 | 5.9 | - | 3.82 | - | 2.68 | 2.92 | - | - | 6.78 | - | 7.66 | - |
| M5 | 0.8 | 16 | 0.15 | 0.5 | 5.7 | 6.9 | - | 4.82 | - | 3.35 | 3.65 | - | - | 7.78 | - | 8.79 | - |
| M6 | 1 | 18 | 0.15 | 0.5 | 6.8 | 8.9 | - | 5.82 | - | 3.85 | 4.15 | - | - | 9.78 | - | 11.05 | - |
| M7 | 1 | 20 | 0.15 | 0.5 | 7.8 | 9.6 | - | 6.78 | - | 4.65 | 4.95 | - | - | 10.73 | - | 12.12 | - |
| M8 | 1.25 | 22 | 0.15 | 0.6 | 9.2 | 11.6 | - | 7.78 | - | 5.15 | 5.45 | - | - | 12.73 | - | 14.38 | - |
| M10 | 1.5 | 26 | 0.15 | 0.6 | 11.2 | 15.6 | - | 9.78 | - | 6.22 | 6.58 | - | - | 16.73 | - | 18.9 | - |
| M12 | 1.75 | 30 | 0.15 | 0.6 | 13.7 | 17.4 | - | 11.7 | - | 7.32 | 7.68 | - | - | 18.67 | - | 21.1 | - |
| M14 | 2 | 34 | 0.15 | 0.6 | 15.7 | 20.5 | - | 13.7 | - | 8.62 | 8.98 | - | - | 21.67 | - | 24.49 | - |
| M16 | 2 | 38 | 0.2 | 0.8 | 17.7 | 22.5 | 22 | 15.7 | 15.6 | 9.82 | 10.2 | 9.71 | 10.3 | 23.67 | 23.16 | 26.75 | 26.17 |
| M18 | 2.5 | 42 | 0.2 | 0.8 | 20.2 | 25.3 | 24.8 | 17.7 | 17.6 | 11.3 | 11.7 | 11.2 | 11.9 | 26.67 | 26.16 | 30.14 | 29.56 |
| M20 | 2.5 | 46 | 0.2 | 0.8 | 22.4 | 28.2 | 27.7 | 19.7 | 19.5 | 12.3 | 12.7 | 12.2 | 12.9 | 29.67 | 29.16 | 33.53 | 32.95 |
| M22 | 2.5 | 50 | 0.2 | 0.8 | 24.4 | 30 | 29.5 | 21.7 | 21.5 | 13.8 | 14.2 | 13.7 | 14.4 | 31.61 | 31 | 35.72 | 35.03 |
| M24 | 3 | 54 | 0.2 | 0.8 | 26.4 | 33.6 | 33.2 | 23.7 | 23.5 | 14.8 | 15.2 | 14.7 | 15.4 | 35.38 | 35 | 39.98 | 39.55 |
| M27 | 3 | 60 | 0.2 | 0.8 | 30.4 | - | 38 | | 26.5 | - | - | 16.7 | 17.4 | - | 40 | - | 45.2 |
| M30 | 3.5 | 66 | 0.2 | 0.8 | 33.4 | - | 42.7 | | 29.5 | - | - | 18.3 | 19.1 | - | 45 | - | 50.85 |
| M33 | 3.5 | 72 | 0.2 | 0.8 | 36.4 | - | 46.6 | | 32.4 | - | - | 20.6 | 21.4 | - | 49 | - | 55.37 |
| M36 | 4 | 78 | 0.2 | 0.8 | 39.4 | - | 51.1 | | 35.4 | - | - | 22.1 | 22.9 | - | 53.8 | - | 60.79 |
| M39 | 4 | 84 | 0.3 | 1 | 42.4 | - | 55.9 | | 38.4 | - | - | 24.6 | 25.4 | - | 58.8 | - | 66.44 |
Marking method of DIN931 hexagonal bolts:
Example of marking of DIN931 external hexagon bolts.
The hexagon head bolts with thread size d=M12, nominal length L=80, performance grade A4-80 and product grade A are marked as
SUS316 hexagon bolts DIN931-M12*80-A
Product photo:
Application:
Hexagonal bolt connection, simple assembly, easy disassembly, high efficiency, and wide application, mainly used in various mechanical equipment, electronic products, communication equipment, furniture equipment, construction industry and other industries of production, installation, maintenance, etc..
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Stainless Steel Hexagon Head Bolts Half Thread DIN931 / M10 Images
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