Iron Balls No Quenching Steel Ball Solid Ball Diameter M7 M7.5 M8 M8.5 M9-45mm
Model: Solid Iron Ball Material: Iron Surface Treatment: No Quenching (Not Heat Treated) Tolerance: ±0.05mm Diameter: 7mm-45mm Low Hardness, Smooth and Shiny Surface, Suitable for Drilling, Process Welding, Castings, Teaching Experiments, Etc. Special Reminder: the Iron Ball Is Not Rust-proof, and the Environment Should Be Kept Dry! If You Need a Good Anti-rust, You Can Choose Stainless Steel. If You Need More Quantity and Other Product Sizes, Please Contact Us