Material: 304 (A2)stainless steel. As an important stainless steel fastener, 304 (A2) bolts play a crucial role in various industries such as construction, automotive, and petrochemicals. 304(A2) stainless steel has weak magnetic (you can use Google search for its characteristics), 201 stainless steel almost no magnetic, But the quality of 201 stainless steel is worse than 304 stainless steel.
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