All Dimensions are in Millimeters 
| Nom. Screw Length | Tolerance on Length
mm |
| to 3 mm incl. | 0.2 |
| over 3 to 10 mm | 0.3 |
| over 10 to 16 mm | 0.4 |
| over 16 to 50 mm | 0.5 |
| over 50 mm | 1.0 |
All tolerances are plus and minus.
May also be available in Nylon, PVC, Polypropylene, Phenolic, Teflon®, G10, Kel-F®, Delrin/Acetal, Neoprene, Mylar, Glass-Filled Nylon, Peek, CPVC, ABS, PVDF / Kynar, Isoplast, Polycarbonate, Polyethylene, or Ultem®
Metric Hex Machine Screws Variations
| Description | A | H | Length | Thread Size | W | Quote |
| M2 X 4 | 3.02 - 3.20 | 1.3 - 1.6 | 4 | M2 X 0.40 | 3.38 Min. |  |
| M2 X 5 | 3.02 - 3.20 | 1.3 - 1.6 | 5 | M2 X 0.40 | 3.38 Min. | |
| M2 X 6 | 3.02 - 3.20 | 1.3 - 1.6 | 6 | M2 X 0.40 | 3.38 Min. | |
| M2 X 8 | 3.02 - 3.20 | 1.3 - 1.6 | 8 | M2 X 0.40 | 3.38 Min. | |
| M2 X 10 | 3.02 - 3.20 | 1.3 - 1.6 | 10 | M2 X 0.40 | 3.38 Min. | |
| M2 X 12 | 3.02 - 3.20 | 1.3 - 1.6 | 12 | M2 X 0.40 | 3.38 Min. | |
| M2 X 16 | 3.02 - 3.20 | 1.3 - 1.6 | 16 | M2 X 0.40 | 3.38 Min. | |
| M2 X 20 | 3.02 - 3.20 | 1.3 - 1.6 | 20 | M2 X 0.40 | 3.38 Min. | |
| M2 X 25 | 3.02 - 3.20 | 1.3 - 1.6 | 25 | M2 X 0.40 | 3.38 Min. | |
| M2.5 X 4 | 3.82 - 4.00 | 1.8 - 2.1 | 4 | M2.5 X 0.45 | 4.28 Min. | |
| M2.5 X 5 | 3.82 - 4.00 | 1.8 - 2.1 | 5 | M2.5 X 0.45 | 4.28 Min. | |
| M2.5 X 6 | 3.82 - 4.00 | 1.8 - 2.1 | 6 | M2.5 X 0.45 | 4.28 Min. | |
| M2.5 X 8 | 3.82 - 4.00 | 1.8 - 2.1 | 8 | M2.5 X 0.45 | 4.28 Min. | |
| M2.5 X 10 | 3.82 - 4.00 | 1.8 - 2.1 | 10 | M2.5 X 0.45 | 4.28 Min. | |
| M2.5 X 12 | 3.82 - 4.00 | 1.8 - 2.1 | 12 | M2.5 X 0.45 | 4.28 Min. | |
| M2.5 X 16 | 3.82 - 4.00 | 1.8 - 2.1 | 16 | M2.5 X 0.45 | 4.28 Min. | |
| M2.5 X 20 | 3.82 - 4.00 | 1.8 - 2.1 | 20 | M2.5 X 0.45 | 4.28 Min. | |
| M2.5 X 25 | 3.82 - 4.00 | 1.8 - 2.1 | 25 | M2.5 X 0.45 | 4.28 Min. | |
| M3 X 4 | 4.82 - 5.00 | 2.0 - 2.3 | 4 | M3 X 0.50 | 5.40 Min. | |
| M3 X 5 | 4.82 - 5.00 | 2.0 - 2.3 | 5 | M3 X 0.50 | 5.40 Min. | |
| M3 X 6 | 4.82 - 5.00 | 2.0 - 2.3 | 6 | M3 X 0.50 | 5.40 Min. | |
| M3 X 8 | 4.82 - 5.00 | 2.0 - 2.3 | 8 | M3 X 0.50 | 5.40 Min. | |
| M3 X 10 | 4.82 - 5.00 | 2.0 - 2.3 | 10 | M3 X 0.50 | 5.40 Min. | |
| M3 X 12 | 4.82 - 5.00 | 2.0 - 2.3 | 12 | M3 X 0.50 | 5.40 Min. | |
| M3 X 16 | 4.82 - 5.00 | 2.0 - 2.3 | 16 | M3 X 0.50 | 5.40 Min. | |
| M3 X 20 | 4.82 - 5.00 | 2.0 - 2.3 | 20 | M3 X 0.50 | 5.40 Min. | |
| M3 X 25 | 4.82 - 5.00 | 2.0 - 2.3 | 25 | M3 X 0.50 | 5.40 Min. | |
| M3 X 30 | 4.82 - 5.00 | 2.0 - 2.3 | 30 | M3 X 0.50 | 5.40 Min. | |
| M3 X 35 | 4.82 - 5.00 | 2.0 - 2.3 | 35 | M3 X 0.50 | 5.40 Min. | |
| M3 X 42 | 4.82 - 5.00 | 2.0 - 2.3 | 42 | M3 X 0.50 | 5.40 Min. | |
| M3.5 X 5 | 5.32 - 5.50 | 2.3 - 2.6 | 5 | M3.5 X 0.60 | 5.96 Min. | |
| M3.5 X 6 | 5.32 - 5.50 | 2.3 - 2.6 | 6 | M3.5 X 0.60 | 5.96 Min. | |
| M3.5 X 7 | 5.32 - 5.50 | 2.3 - 2.6 | 7 | M3.5 X 0.60 | 5.96 Min. | |
| M3.5 X 8 | 5.32 - 5.50 | 2.3 - 2.6 | 8 | M3.5 X 0.60 | 5.96 Min. | |
| M3.5 X 10 | 5.32 - 5.50 | 2.3 - 2.6 | 10 | M3.5 X 0.60 | 5.96 Min. | |
| M3.5 X 12 | 5.32 - 5.50 | 2.3 - 2.6 | 12 | M3.5 X 0.60 | 5.96 Min. | |
| M3.5 X 16 | 5.32 - 5.50 | 2.3 - 2.6 | 16 | M3.5 X 0.60 | 5.96 Min. | |
| M3.5 X 20 | 5.32 - 5.50 | 2.3 - 2.6 | 20 | M3.5 X 0.60 | 5.96 Min. | |
| M3.5 X 25 | 5.32 - 5.50 | 2.3 - 2.6 | 25 | M3.5 X 0.60 | 5.96 Min. | |
| M3.5 X 35 | 5.32 - 5.50 | 2.3 - 2.6 | 35 | M3.5 X 0.60 | 5.96 Min. | |
| M3.5 X 42 | 5.32 - 5.50 | 2.3 - 2.6 | 42 | M3.5 X 0.60 | 5.96 Min. | |
| M4 X 6 | 6.78 - 7.00 | 2.6 - 3.0 | 6 | M4 X 0.70 | 7.59 Min. | |
| M4 X 8 | 6.78 - 7.00 | 2.6 - 3.0 | 8 | M4 X 0.70 | 7.59 Min. | |
| M4 X 10 | 6.78 - 7.00 | 2.6 - 3.0 | 10 | M4 X 0.70 | 7.59 Min. | |
| M4 X 12 | 6.78 - 7.00 | 2.6 - 3.0 | 12 | M4 X 0.70 | 7.59 Min. | |
| M4 X 16 | 6.78 - 7.00 | 2.6 - 3.0 | 16 | M4 X 0.70 | 7.59 Min. | |
| M4 X 20 | 6.78 - 7.00 | 2.6 - 3.0 | 20 | M4 X 0.70 | 7.59 Min. | |
| M4 X 25 | 6.78 - 7.00 | 2.6 - 3.0 | 25 | M4 X 0.70 | 7.59 Min. | |
| M4 X 30 | 6.78 - 7.00 | 2.6 - 3.0 | 30 | M4 X 0.70 | 7.59 Min. | |
| M4 X 35 | 6.78 - 7.00 | 2.6 - 3.0 | 35 | M4 X 0.70 | 7.59 Min. | |
| M4 X 40 | 6.78 - 7.00 | 2.6 - 3.0 | 40 | M4 X 0.70 | 7.59 Min. | |
| M5 X 6 | 7.78 - 8.00 | 3.3 - 3.8 | 6 | M5 X 0.80 | 8.71 Min. | |
| M5 X 8 | 7.78 - 8.00 | 3.3 - 3.8 | 8 | M5 X 0.80 | 8.71 Min. | |
| M5 X 10 | 7.78 - 8.00 | 3.3 - 3.8 | 10 | M5 X 0.80 | 8.71 Min. | |
| M5 X 12 | 7.78 - 8.00 | 3.3 - 3.8 | 12 | M5 X 0.80 | 8.71 Min. | |
| M5 X 14 | 7.78 - 8.00 | 3.3 - 3.8 | 14 | M5 X 0.80 | 8.71 Min. | |
| M5 X 16 | 7.78 - 8.00 | 3.3 - 3.8 | 16 | M5 X 0.80 | 8.71 Min. | |
| M5 X 20 | 7.78 - 8.00 | 3.3 - 3.8 | 20 | M5 X 0.80 | 8.71 Min. | |
| M5 X 25 | 7.78 - 8.00 | 3.3 - 3.8 | 25 | M5 X 0.80 | 8.71 Min. | |
| M5 X 30 | 7.78 - 8.00 | 3.3 - 3.8 | 30 | M5 X 0.80 | 8.71 Min. | |
| M5 X 35 | 7.78 - 8.00 | 3.3 - 3.8 | 35 | M5 X 0.80 | 8.71 Min. | |
| M5 X 40 | 7.78 - 8.00 | 3.3 - 3.8 | 40 | M5 X 0.80 | 8.71 Min. | |
| M5 X 70 | 7.78 - 8.00 | 3.3 - 3.8 | 70 | M5 X 0.80 | 8.71 Min. | |
| M6 X 5 | 9.78 - 10.00 | 4.1 - 4.7 | 5 | M6 X 1.00 | 10.95 Min. | |
| M6 X 8 | 9.78 - 10.00 | 4.1 - 4.7 | 8 | M6 X 1.00 | 10.95 Min. | |
| M6 X 10 | 9.78 - 10.00 | 4.1 - 4.7 | 10 | M6 X 1.00 | 10.95 Min. | |
| M6 X 12 | 9.78 - 10.00 | 4.1 - 4.7 | 12 | M6 X 1.00 | 10.95 Min. | |
| M6 X 16 | 9.78 - 10.00 | 4.1 - 4.7 | 16 | M6 X 1.00 | 10.95 Min. | |
| M6 X 20 | 9.78 - 10.00 | 4.1 - 4.7 | 20 | M6 X 1.00 | 10.95 Min. | |
| M6 X 25 | 9.78 - 10.00 | 4.1 - 4.7 | 25 | M6 X 1.00 | 10.95 Min. | |
| M6 X 30 | 9.78 - 10.00 | 4.1 - 4.7 | 30 | M6 X 1.00 | 10.95 Min. | |
| M6 X 35 | 9.78 - 10.00 | 4.1 - 4.7 | 35 | M6 X 1.00 | 10.95 Min. | |
| M6 X 40 | 9.78 - 10.00 | 4.1 - 4.7 | 40 | M6 X 1.00 | 10.95 Min. | |
| M6 X 45 | 9.78 - 10.00 | 4.1 - 4.7 | 45 | M6 X 1.00 | 10.95 Min. | |
| M6 X 50 | 9.78 - 10.00 | 4.1 - 4.7 | 50 | M6 X 1.00 | 10.95 Min. | |
| M6 X 60 | 9.78 - 10.00 | 4.1 - 4.7 | 60 | M6 X 1.00 | 10.95 Min. | |
| M6 X 70 | 9.78 - 10.00 | 4.1 - 4.7 | 70 | M6 X 1.00 | 10.95 Min. | |
| M6 X 75 | 9.78 - 10.00 | 4.1 - 4.7 | 75 | M6 X 1.00 | 10.95 Min. | |
| M8 X 6 | 12.73 - 13.00 | 5.2 - 6.0 | 6 | M8 X 1.25 | 14.26 Min. | |
| M8 X 10 | 12.73 - 13.00 | 5.2 - 6.0 | 10 | M8 X 1.25 | 14.26 Min. | |
| M8 X 16 | 12.73 - 13.00 | 5.2 - 6.0 | 16 | M8 X 1.25 | 14.26 Min. | |
| M8 X 20 | 12.73 - 13.00 | 5.2 - 6.0 | 20 | M8 X 1.25 | 14.26 Min. | |
| M8 X 25 | 12.73 - 13.00 | 5.2 - 6.0 | 25 | M8 X 1.25 | 14.26 Min. | |
| M8 X 30 | 12.73 - 13.00 | 5.2 - 6.0 | 30 | M8 X 1.25 | 14.26 Min. | |
| M8 X 35 | 12.73 - 13.00 | 5.2 - 6.0 | 35 | M8 X 1.25 | 14.26 Min. | |
| M8 X 40 | 12.73 - 13.00 | 5.2 - 6.0 | 40 | M8 X 1.25 | 14.26 Min. | |
| M8 X 50 | 12.73 - 13.00 | 5.2 - 6.0 | 50 | M8 X 1.25 | 14.26 Min. | |
| M8 X 70 | 12.73 - 13.00 | 5.2 - 6.0 | 70 | M8 X 1.25 | 14.26 Min. | |
| M10 X 16 | 15.73 - 16.00 | 6.5 - 7.5 | 16 | M10 X 1.50 | 17.62 Min. | |
| M10 X 20 | 15.73 - 16.00 | 6.5 - 7.5 | 20 | M10 X 1.50 | 17.62 Min. | |
| M10 X 25 | 15.73 - 16.00 | 6.5 - 7.5 | 25 | M10 X 1.50 | 17.62 Min. | |
| M10 X 30 | 15.73 - 16.00 | 6.5 - 7.5 | 30 | M10 X 1.50 | 17.62 Min. | |
| M10 X 35 | 15.73 - 16.00 | 6.5 - 7.5 | 35 | M10 X 1.50 | 17.62 Min. | |
| M10 X 50 | 15.73 - 16.00 | 6.5 - 7.5 | 50 | M10 X 1.50 | 17.62 Min. | |
| M10 X 60 | 15.73 - 16.00 | 6.5 - 7.5 | 60 | M10 X 1.50 | 17.62 Min. | |
| M12 X 20 | 17.73 - 18.00 | 7.8 - 9.0 | 20 | M12 X 1.75 | 19.86 Min. | |
| M12 X 25 | 17.73 - 18.00 | 7.8 - 9.0 | 25 | M12 X 1.75 | 19.86 Min. | |
| M12 X 30 | 17.73 - 18.00 | 7.8 - 9.0 | 30 | M12 X 1.75 | 19.86 Min. | |
| M12 X 35 | 17.73 - 18.00 | 7.8 - 9.0 | 35 | M12 X 1.75 | 19.86 Min. | |
| M12 X 40 | 17.73 - 18.00 | 7.8 - 9.0 | 40 | M12 X 1.75 | 19.86 Min. | |
| M12 X 50 | 17.73 - 18.00 | 7.8 - 9.0 | 50 | M12 X 1.75 | 19.86 Min. | |
| M12 X 60 | 17.73 - 18.00 | 7.8 - 9.0 | 60 | M12 X 1.75 | 19.86 Min. | |
| M12 X 12 | 17.73-18 | 7.8-9 | 12 | M12 X 1.25 | 19.86 | |
| M10 X 40 | 15.73-16 | 6.5-7.5 | 40 | M10 X 1.5 | 17.62 | |