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ISO Fundamental Tolerances

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DIN1804 Slotted Lock Nut, Steel, Hardened or Not Hardened 

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Type W - steel, not hardened

Type H - steel, hardened

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Product Description

DIN1804 Slotted Locknut, Steel, Hardened or Unhardened 

On these slotted lock nuts, DIN1804, the ground surface d3 stands proud and should be used as a mating surface.

Sizes M45x1,5 to M60x1,5 have 6 slots.


Type W - Steel ST, Tensile strength class 5.8 (500 N/mm2), not hardened, blackened.

Type H - Steel ST, Tensile strength class 5.8 (500 N/mm2), hardened HRC 60 ± 2 (thread not hardened). Mating surface ground or fine turned.


Compatible C spanners DIN1810 are also available.

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Slotted Lock Nuts DIN 1804 Steel Hardened or Not Hardened

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