EN 1661/EN 14218 hex flange nut is a nut with a wide flange at one end that acts as an integral washer. This ...  More ...EN 1661/EN 14218 hex flange nut is a nut with a wide flange at one end that acts as an integral washer. This serves to distribute the pressure of the nut over the part being fastened, reducing the possibility of damage to the part and making it less likely to loosen due to uneven tightening surfaces. These large flange nut are mostly hexagonal in shape and are made of hardened steel, usually plated with zinc.
EN 1661/14218 Large Hex Flange Nut
Specifications
DIN EN 1661 Flange Nuts
EN 1661 - 1998 Hexagon Nuts With Flange
Equivalent norm: GB/T 6177.1, ISO 4161, ANSI/ASME B18.2.4.4M, NF E 25-406
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EN 1661 Hot Dipped Galvanized Flange Nut Dimensions
Legend
Making
P=pitch
Carbon Steel:6,8,10,12
K=height of the nut
Thread:6H
D=the nominal diameter of the thread
Surface:BLK,ZP,HDG,etc
E=The length of the diagonal
S=The length of the flat
EN 14218 Flange Nuts
EN 14218 - 2003 Hexagon Head Nuts With Flange With Fine Pitch Thread
l
EN 14218 Hot Dipped Galvanized Flange Nut Dimensions
Legend
Making
P=pitch
Carbon Steel:6,8,10,12
K=height of the nut
Thread:6H
D=the nominal diameter of the thread
Surface:BLK,ZP,HDG,etc
E=The length of the diagonal
S=The length of the flat
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