High Quality Trailer Hitch Ball
High Quality Trailer Hitch Ball with all kinds of sizes: 1-7/8", 2", 2-5/16", 50mm, etc.
Raw material : C45; 40Cr, High strength alloy steel. We can also customize according to Customer's requirments.
Processing flow:
1. The ball blank: We have all kinds of molding sizes and use high precision friction press to forge the ball blanks.
2. Machining: CNC machine, Processing Center, Coreless Grinding Machine, Drilling Machine , Polishing Machine, High precision wire rolling machine.
3. Heat treatment: Mesh belt furnace , high-frequency quenching , Tempering treatment.
4. Polishing : We have to go through three polishing before Electroplating.
5. Surface: The hitch ball is chrome plated (Zinc plated, Silver plated, brass plated, Nickel plated) according to industry standard.
6. And Salt Spray Test 48-96 Hrs.
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