Shapes and dimensions
Note. Meaning of the variants:
– variant A: hexagon head bolts with fully threaded shank and machined (cut) thread;
– variant B: hexagon head bolts with partially threaded shank and machined (cut) thread;
– variant B: hexagon head bolts with partially threaded shank and rolled (plastically formed) thread.
Dimension values
Hexagon head bolts, fully threaded (STAS 4845, ISO 4017)
| Thread Md [mm] | l [mm] | S [mm] | k [mm] | D [mm] |
|---|---|---|---|---|
| M4 | {10, 12, 14, 16, 18, 20, 25, 30, 35, 40, 45} | 7 | 2.8 | 7.74 |
| M5 | {10, 16, 20, 25, 30, 35, 40, 45, 50} | 8 | 3.5 | 8.86 |
| M6 | {6, 10, 16, 20, 25, 30, 35, 45, 40, 50, 60, 70, 80, 90, 100, 110, 120} | 10 | 4 | 11.05 |
| M8 | {16, 20, 25, 30, 35, 40, 45, 50, 60, 70, 90, 100, 110, 120, 130} | 13 | 5.5 | 14.38 |
| M10 | {20, 25, 30, 35, 40, 45, 50, 60, 70, 80, 90, 100, 110, 120, 130, 140} | 17 | 7 | 18.90 |
| M12 | {20, 25, 30, 35, 40, 45, 50, 60, 70, 80, 90, 100, 110, 120, 130, 140} | 19 | 8 | 21.10 |
| M14 | {25, 30, 35, 40, 45, 50, 60, 70, 80, 90, 100, 150} | 22 | 9 | 24.49 |
| M16 | {25, 30, 35, 40, 45, 50, 60, 70, 80, 90, 100} | 24 | 10 | 26.75 |
| M18 | {30, 35, 40, 45, 50, 55, 60, 65, 70, 75, 80, 85, 90, 95, 100, 105, 110, 115, 120, 125, 130, 135, 140, 145, 150} | 27 | 12 | 30.14 |
| M20 | {30, 35, 40, 45, 50, 55, 60, 65, 70, 75, 80, 85, 90, 95, 100, 105, 110, 115, 120, 125, 130, 135, 140, 145, 150} | 30 | 13 | 33.53 |
| M22 | {45, 50, 55, 60, 65, 70, 75, 80, 85, 90, 95, 100, 105, 110, 115, 120, 125, 130, 135, 140, 145, 150} | 32 | 14 | 35.72 |
| M24 | {45, 50, 55, 60, 65, 70, 75, 80, 85, 90, 95, 100, 105, 110, 115, 120, 125, 130, 135, 140, 145, 150} | 36 | 15 | 39.98 |
| M27 | {50, 55, 60, 65, 70, 75, 80, 85, 90, 95, 100, 105, 110, 115, 120, 125, 130, 135, 140, 145, 150} | 41 | 17 | 45.63 |
| M30 | {50, 55, 60, 65, 70, 75, 80, 85, 90, 95, 100, 105, 110, 115, 120, 125, 130, 135, 140, 145, 150} | 46 | 19 | 51.28 |
| M33 | {60, 65, 70, 75, 80, 85, 90, 95, 100, 105, 110, 115, 120, 125, 130, 135, 140, 145, 150} | 50 | 21 | 55.58 |
Hexagon head bolts, partially threaded (STAS 4272, ISO 4014)
| Thread Md [mm] | l [mm] | b [mm] | S [mm] | k [mm] | D [mm] |
|---|---|---|---|---|---|
| M4 | {20, 25, 30, 35, 40, 45, 50, 60, 55, 60} | 14 | 7 | 2.8 | 7.74 |
| M5 | {20, 25, 30, 35, 40, 45, 50, 55, 60, 65, 70, 75, 80} | 16 | 8 | 3.5 | 8.86 |
| M6 | {25, 30, 35, 40, 45, 50, 55, 60, 65, 70, 75, 80} | 18 | 10 | 4 | 11.05 |
| M8 | {30, 35, 40, 45, 50, 55, 60, 65, 70, 75, 80, 90, 100} | 22 | 13 | 5.5 | 14.38 |
| M10 | {35, 40, 45, 50, 55, 60, 65, 70, 75, 80, 90, 100, 110, 120, 130, 150, 140, 160} | {26, 32} | 17 | 7 | 18.90 |
| M12 | {40, 45, 50, 55, 60, 65, 70, 75, 80, 90, 100, 110, 120, 130, 150, 140, 160, 170, 180} | {30, 36} | 19 | 8 | 21.10 |
| M14 | {45, 50, 55, 60, 65, 70, 75, 80, 90, 100, 110, 120, 130, 150, 140, 160, 170, 180, 190, 200} | {34, 40} | 22 | 9 | 24.49 |
| M16 | {50, 55, 60, 65, 70, 75, 80, 90, 100, 110, 120, 130, 150, 140, 160, 170, 180, 190, 200, 210, 220} | {33, 44, 57} | 24 | 10 | 26.75 |
| M18 | {55, 60, 65, 70, 75, 80, 90, 100, 110, 120, 130, 150, 140, 160, 170, 180, 190, 200, 210, 220} | {42, 43, 61} | 27 | 12 | 30.14 |
| M20 | {60, 65, 70, 75, 80, 90, 100, 110, 120, 130, 150, 140, 160, 170, 180, 190, 200, 210, 220} | {46, 52, 65} | 30 | 13 | 33.53 |
| M22 | {65, 70, 75, 80, 90, 100, 110, 120, 130, 150, 140, 160, 170, 180, 190, 200, 210, 220} | {50, 55, 69} | 32 | 14 | 35.72 |
| M24 | {70, 75, 80, 90, 100, 110, 120, 130, 150, 140, 160, 170, 180, 190, 200, 210, 220} | {54, 60, 73} | 36 | 15 | 39.98 |
| M27 | {75, 80, 90, 100, 110, 120, 130, 150, 140, 160, 170, 180, 190, 200, 210, 220} | {60, 66, 79} | 41 | 17 | 45.63 |
| M30 | {90, 100, 110, 120, 130, 150, 140, 160, 170, 180, 190, 200, 210, 220, 240, 260} | {66, 72, 85} | 46 | 19 | 51.28 |
| M33 | {100, 110, 120, 130, 150, 140, 160, 170, 180, 190, 200, 210, 220, 240, 260} | {72, 71, 91} | 50 | 21 | 55.58 |
| M36 | {100, 110, 120, 130, 150, 140, 160, 170, 180, 190, 200, 210, 220, 240, 260} | {78, 84, 97} | 55 | 23 | 61.31 |
| M42 | {110, 120, 130, 150, 140, 160, 170, 180, 190, 200, 210, 220, 240, 260} | {90, 96, 109} | 65 | 26 | 72.61 |
Designation in assembly drawings
Bolt M d×l class x.y STAS 4272-70 (e.g. Bolt M10×50 STAS 4272-70 class 6.8).