Materials: Carbon Steel, Alloy Steel & Stainless steel
Class: Class 6, Class 8, Class 10, Class 12
Size: M5 to M30 (in cold forging), 3/16” to 1” (in cold forging)
Finish: Plain, White Zinc plated, Yellow Zinc Plated, Auto Black, Chrome Plating or as per customer requirement
Standards: DIN 934, UNC, UNF, ISO, 4032 and ISO 4034
Standard Dimensions of ISO 4032/DIN 934 Hexagon Nuts (in mm)
|
Nominal Size |
Width / Across Flat (s) |
Thickness / Height (m) |
Width Across Corners (e) |
||
| MIn | Max | Min | Max | Min | |
| M5 | 7.78 | 8.00 | 4.40 | 4.70 | 8.79 |
| M6 | 9.78 | 10.00 | 4.90 | 5.20 | 11.05 |
| M8 | 12.73 | 13.00 | 6.44 | 6.80 | 14.38 |
| M10 | 15.73 | 16.00 | 8.04 | 8.40 | 17.77 |
| M12 | 17.73 | 18.00 | 10.37 | 10.80 | 20.03 |
| M14 | 20.67 | 21.00 | 12.10 | 12.80 | 23.36 |
| M16 | 23.67 | 24.00 | 14.10 | 14.80 | 26.75 |
| M18 | 26.16 | 27.00 | 15.10 | 15.80 | 29.56 |
| M20 | 29.16 | 30.00 | 16.90 | 18.00 | 32.95 |
| M22 | 33.00 | 34.00 | 18.10 | 19.40 | 37.29 |
| M24 | 35.00 | 36.00 | 20.20 | 21.50 | 39.55 |
| M27 | 40.00 | 41.00 | 22.50 | 23.80 | 45.20 |
| M30 | 45.00 | 46.00 | 24.30 | 25.60 | 50.85 |
Standard Dimensions of UNC/UNF Hexagon Nuts (in inches)
|
Nominal Size |
Width / Across Flat (s) |
Thickness / Height (m) |
Width Across Corners (e) |
||
| Min | Max | Min | Max | MIn | |
| 1/4" | 0.428 | 0.438 | 0.212 | 0.226 | 0.488 |
| 5/16" | 0.489 | 0.500 | 0.258 | 0.273 | 0.557 |
| 3/8" | 0.551 | 0.562 | 0.320 | 0.337 | 0.628 |
| 7/16" | 0.675 | 0.688 | 0.365 | 0.385 | 0.768 |
| 1/2" | 0.736 | 0.750 | 0.427 | 0.448 | 0.840 |
| 9/16" | 0.861 | 0.875 | 0.473 | 0.496 | 0.982 |
| 5/8" | 0.922 | 0.938 | 0.535 | 0.559 | 1.051 |
| 3/4" | 1.088 | 1.125 | 0.617 | 0.665 | 1.240 |
| 7/8" | 1.269 | 1.312 | 0.724 | 0.776 | 1.447 |
| 1" | 1.45 | 1.500 | 0.831 | 0.887 | 1.653 |
