supply of non-magnetic austenitic stainless steel , non-magnetic austenitic stainless steel bolt 12mm x 75mm with nut for electric arc furnace 1. bolt size: 12mm x 75mm 2. thread: fully threaded 3. material: all bolts, nuts, and washers shall be made of non-magnetic austenitic stainless steel of ai si 304 grade 4. application: suitable for electric arc furnace (eaf) areas subjected to hi gh temperature, vibration, and electromagnetic fields. 5. temperature resistance: suita ble for continuous service up to 750 %b0c 6. bolts: non magnetic stainless steel hex he ad bolt 7. nuts: non-magnetic stainless steel hex nut 8. washers: two flat washer of t hickness not less than 1.5mm, one spring washer of thickness not less than 2.5mm and one wedge lock washer, all matching bolt size 9. certification: material test certificat e (mtc) and magnetic permeability test certificate shall be provided. 10. supplier must p rovide a sample for approval before supplying the full material ]