Hex Flange Nut

1. Material: Carbon stell,Q195,Q235,35K,45K, Stainless steelSS304, SS316, SS316L, SS201, SS410
2. Grade: 4,6,8,10, A2-70, A4-70, A4-80
3. SIZE: M3 to M52
4. Standard: DIN6923,ANSI/ASME B 18.2.4.4M, JIS1190, ISO4161, EN1161

DIN6923:

Legend:
s - size of the hexagon
e - the diameter of the circumscribed circle (not less than)
m - height of the nut
d - the nominal diameter of the thread
dc - outer diameter of the ring
dw - contact surface diameter
r - radius
Table according to DIN 6923:

dimensions in mm