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  2. Flexible standard component system
  3. 07000
  4. Nuts, screws, washers, securing elements
  5. Square nuts DIN 557
    6. 07209-605
Designation
Square nut
DIN
DIN 557
Main material
stainless steel A4
Surface finish body
bright
D=Thread
M5
SW=key width
8
H
4
~ CONFLICT MINERALS 3TG status
no intentional 3TG
~ CP65 substance 2 cancer
nickel (metallic)
~ PFAS free?
yes
~ REACH SVHC-free?
yes
~ RoHS conformity
yes, without exemption
~ TSCA 6(H) conformity
yes

Description

Material
Steel, stainless steel A2 or stainless steel A4.
Version
Steel grade 11H, bright (black) or galvanised.
Stainless steel A2, bright.
Stainless steel A4, bright.
Note
DIN 557 square nuts class C

Square nuts are often used as insert nuts in injection-moulded parts, or they are slotted into housing profiles (aluminium extruded sections) to be used as a slot nut for screwing on other components. Square nuts also form the basis for cage nuts.. Square nuts provide improved rotation lock compared to conventional hex nuts.
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