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How to select black nuts?

2021/04/15

Normal black nut have 2 kinds, one is black electrophoretic nut, the other is black chrome nut.


1.How to distinguish two kinds of black nuts


Compare inner hole of nut:  

black electrophoretic nut, black in appearance and inner hole

Black chrome nut,  appearance is black, but inner hole is silver.


black electrophretic nut & black chrome nut


2.Which black nut is better?

Surface treatment

Black electrophoreticblack electrophretic nut

Black chrome

black chrome nut

Manufacturing   technique

Steel+Black paint

Steel + Black nickel + Black nickel + Black chrome

The degree of black

Matte black

Brilliant black

Color fastness

Easily fall

More solid

Anti-rust performance

★★★

★★★★

Costing

Cheap

Expensive


3.We recommend black chrome nut if nut is close end type.


4.If nut is open end type, we recommend do black electrophretic coating, because open end nut will show the silver hole, it will impact the beauty if nut placing on wheel 

black nuts


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