Metric Wrench Sizes Hexagon / Nuts

 

The dimension of the required wrench (e.g. open-end wrench, open-end wrench, socket wrench,...) to tighten or loosen the hexagon screw or nut is referred to as the wrench width of hexagon screws or hexagon nuts. The wrench width of all metric hexagon bolts and hexagon nuts is always specified in mm (millimetres).

 

Metric Wrench Sizes Hexagon / Nuts Chart

 

 

Wrench Sizes in (mm)
Metric thread sizes DIN - Norm ISO - Norm
M1 2,5 mm  2,5 mm
M1,2 3,0 mm 3,0 mm
M1,4 3,0 mm 3,0 mm
M1,7 3,2 mm 3,2 mm
M2 4,0 mm 4,0 mm
M2,5 5,0 mm 5,0 mm
M3 5,5 mm 5,5 mm
M3,5 6,0 mm 6,0 mm
M4 7,0 mm 7,0 mm
M5 8,0 mm 8,0 mm
M6 10 mm 10 mm
M7 11 mm 11 mm
M8 13 mm 13 mm
M10 17 mm 16 mm
M12 19 mm 18 mm
M14 22 mm 21 mm
M16 24 mm 24 mm
M18 27 mm 27 mm
M20 30 mm 30 mm
M22 32 mm 32 mm
M24 36 mm 34 mm
M27 41 mm 41 mm
M30 46 mm 46 mm
M33 50 mm 50 mm
M36 55 mm 55 mm
M39 60 mm 60 mm
M42 65 mm 65 mm
M45 70 mm 70 mm
M48 75 mm 75 mm
M52 80 mm 80 mm
M56 85 mm 85 mm
M60 90 mm 90 mm
M64 95 mm 95 mm
M68 100 mm 100 mm
M72 105 mm 105 mm
M76 110 mm 110 mm
M80 115 mm 115 mm
M85 120 mm 120 mm
M90 130 mm 130 mm
M95 135 mm 135 mm
M100 145 mm 145 mm

* All information without guarantee.