Description: Product Parameters:threaded Steel Balls (blind Hole) Material: Stainless Steel Finish: Bright Polished In Original Colour Specification:5mm-60mm Diameter Threads Suggested Methods To Detect Stainless Steel Material: 1. Spectrometer Test (more Professional) ; Peal. Stainless Steel Potion Detection, Material Surface Drop Detection Solution To Observe The Colour Change; 3. Wash The Steel Ball With Water, Open Air Storage To Observe The Surface Changes In Human Iron Ball, Carbon Steel Ball, Bearing Steel Ball, The Next Day After Washing Will Begin To Rust, 304 Stainless Steel Material Will Not Change)
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