Product Information: Detailed parameters (stainless steel ball is non-magnetic or weakly magnetic) Product parameters: threaded steel ball (blind hole) Product Category: Hardware Machinery Product material: stainless steel Surface treatment: primary color bright polished Specifications: diameter 5mm-50mm multi-standard thread Recommended methods for testing stainless steel materials: 1. Spectrometer detection (more professional) 2. Stainless steel potion detection, drop detection liquid on the surface of the material to observe the color change; 3.
eBay