Formerly Emhart Teknologies & Infastech

Metric Hex Flange Nuts

The standard Spiralock flange nuts are Property Class 10 equivalent and designed to mate with standard 4g6g, 6g, and MJ class of fit bolts. Spiralock nuts dimensionally conform to IFI standards. Our standard plating is clear zinc chromate. Other nut styles, platings, and materials are available upon request.

Metric Hex Flange Nuts

Nominal Nut Size EDP #   A
Flange Dia.
B
Across Flats
C
Across Corners
D
Nut Thickness
E
Minimum Flange Edge Thickness
M5 x 0.8 M05080M Max. Min. 11.81 7.77
8.00
8.79
9.25
4.70
5.00
0.99
   
M6 x 1.0 M06100M Max. Min. 14.20 10.00 9.78 11.55
11.05
6.00
5.70
1.10
   
M8 x 1.00 M08100M Max. Min. 17.90 13.00 12.73 15.01
14.38
8.00
7.60
1.20
M8 x 1.25 M08125M
M10 x 1.25 M10125M Max. Min. 21.80 15.00 14.73 17.32
16.64
10.00
9.60
1.50
M10 x 1.50 M10150M
M12 x 1.25 M12125M Max. Min. 26.00 18.00 17.73 20.78
20.03
12.00
11.60
1.80
M12 x 1.75 M12175M
M14 x 1.25 M14125M Max. Min. 29.90 21.00 20.67 24.25
23.35
14.00
13.30
2.10
M14 x 1.50 M14150M
M14 x 2.00 M14200M
M16 x 1.50 M16150M Max. Min. 34.50 24.00 23.67 27.71
26.75
16.00
15.30
2.40
M16 x 2.00 M16200M
M20 x 1.50 M20150M Max. Min. 42.80 30.00 29.16 34.64
32.95
20.00
18.90
3.00
M20 x 2.50 M20250M
M24 x 2.00 M24200M Max. Min. 51.73 36.00 34.80 41.57
39.67
24.00
22.86
3.60
M24 x 3.00 M24300M