Match washers with high-strength bolts (10.9/12.9 grade).
Use hardened heavy washers only for structural joints.
Place flat side against the component for even load distribution.
Avoid mixing with thin standard washers in one assembly.
Check surface flatness; remove burrs before installation
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![Din580 DIN 444]()
Product: EYE BOLTS
Standard: DIN580 DIN444
Raw material: Q 235 SWRCH35K 10B21 10B33 SWRCH45K,40CR,42CRMO,SS204 SS316 etc.
Surface: zinc plated,H.D.G,etc.
Specification...Add to Inquiry
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