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

Datian DIN 934/971/555 Hex Nuts Specifications

Hex Nut DIN 934

DIN 934-1987 has equivalent norms included: Hex Nut ISO 4032; CSN 021401; PN 82144; UNI 5588; EU 24032

Hex Nut DIN 934 Dimensions
Hex Nut DIN 934
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


Hex Nut DIN 971

DIN 971(-2)- 1987 grade 10, 12 hexagon nut has equivalent norms included: GB/T 6176, ISO 8674, DIN EN ISO 8674, Hex Nut UNI 5587

DIN 971(-2)- 1987 Hexagon Nut Dimensions
Hex Nut DIN 971
P=pitchMaking:
K=height of the nutSurface:BLK,ZP,HDG,etc
D=the nominal diameter of the thread
E=The length of the diagonal
S=The length of the flat


Hex Nut DIN 555

DIN 555- 1987 grade C hexagon nut has equivalent norms included: GB/T 41, Hex Nut ISO 4034, IS 1363(-3), Hex Nut AS 1112.3


Differences between Hex Nut DIN 934, DIN 971 and DIN 555


  • DIN971 includes DIN971-1 and DIN971-2. The nut grades corresponding to DIN971-1 are grades 6 and 8. DIN971-2 has higher nut classes 10 and 12. 

  • DIN934 hex nuts correspond to ISO 4032. 

  • DIN555 corresponds to ISO 4034. 


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