Usually the surface treatment of wheel bolts are Zinc, Chrome, Dacromet, Matte chrome, Black electrophoretic, Black chrome, Black oxide.The beauty, rust resistance and the price will be different. See the table below.

Activity time: Dec.10, 2021-Jan.10, 2022The maximum order amount for each customer to participate in the event is USD100,000.00

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When the tire nut is installed on the wheel hub, after years of sun and rain, it is easy to rust. Especially in winter, the road will be spreaded salt, hydrochloric acid will accelerate wheel nut rust. Therefore, it is very important to choose a wheel nut with higher anti-rust performance.

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 nutsCompare inner hole of nut: black electrophoretic nut, black in appearance and inner holeBlack chrome nut, appearance is black, but inner hole is silver.2.Which

Have you ever had this experience? The acorn cap of the 2pcs lug nuts fall off easily, and then the lug nut quickly rust, making it ugly and unsafe. How to ensure the fastness of the welding cap?1. The shape of the semi-finished products.Most factories only produce workblank with the flat top. （see

Have you encountered such a problem? The new nut has only been used for 2 months and rusty. Is it safe? How to choose high-quality lug nuts?1. Appearance： 2. ColorAlthough the two products are bright, the result of the neutral salt spray test are quite different: Why does B look very bright, but i

Why do some lug nuts rust easily?Many new wheel lug nuts will rust soon after being used. There are two reasons:Open end nut rusts more easily than close end nuts.When thewheel lug nut is plating, electric current into the inner hole is very weak, so the coating thickness of the inner hole is much

Car wheel bolts, connected to the wheel, bearing the weight of the whole car, also bearing our life safety.When the car is running at high speed, if the wheel bolt breaks, the wheel hub will fly out, the car is out of control, which will seriously threaten the driver's life.So the strength of the ca