Min. Order Reference FOB Price
500 Pieces US$1.00-50.00 / Piece
Product Description
Q+A 1. What's the thickness of the sprocket? 6.8-7mm 2. What's your surface treatment for the sprocket? We have copper, candle blue, red, white, blue white, black, silver white toast painting, high frequency. 3. What's the hardness after the sprocket make heat treatment? 1023 material ...