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Ningbo Datian Fastener Co., Ltd.
Ningbo Datian Fastener Co., Ltd.

Datian EN 14399-3 HEX NUTS / EN 14399-4 HEX NUTS Specifications

EN 14399-3 Hex Nut

BS EN 14399-3-2005 High-strength hex nuts for steel structures - HR type drawing

EN 14399-3 HEX NUTS Dimensions
EN 14399-3 Hex Nut
Legend:Making:
P=pitchCarbon Steel:6,8,10,12
K=height of the nutThread:6H
D=the nominal diameter of the threadSurface:BLK,ZP,HDG,etc
E=The length of the diagonal
S=The length of the flat


EN 14399-4 Hex Nut

EN 14399-4-2005 High-strength hex nuts for steel structures - HV type has equivalent norms included: GB/T 18230.4, ISO 7414, DIN EN 14399-4, UNI 5713.


EN 14399-4 HEX NUTS Dimensions
EN 14399-4 Hex Nut
Legend:Making:
P=pitchCarbon Steel:6,8,10,12
K=height of the nutThread:6H
D=the nominal diameter of the threadSurface:BLK,ZP,HDG,etc
E=The length of the diagonal
S=The length of the flat


Difference between EN 14399-3 and EN 14399-4


Both EN 14399-3 nuts and EN 14399-4 nuts are high-strength nuts and bolts for preloading. BS EN 14399-3 structural nuts are used for part 3 which belongs to system HR. EN ISO 14399-4 structural nuts are used for part 4 which belongs to system HV.

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