flat spring washer for road safety

{"cid":"91225219","title":"DIN 9250 Serrated Safety Washers | 50CrVA Sunzo Manufacturer","imgUrl":"https:\/\/img.chinax.com\/nimg\/96\/51\/82b2178dcd451623f283a7dc229e-200x200-1.jpg","attrs":{"Price":"Negotiable","Brand Name":"Sunzo","Minimum Order Quantity":"Negotiable","Delivery Time":"Negotiable","Shape":"Flat","Preload Retention":"90% after 10,000 cycles","Tooth Angle":"45\u00b0 to 60\u00b0","Compliance":"DIN 9250 standards","Anti-loosening Performance":"300% higher","Material Options":"Carbon steel, Stainless steel 304\/316, Titanium","Certification":"CE\/IATF16949\/45001\/14001\/9001","Payment Terms":"Negotiable","Material":"Steel","Model NO.":"sunzo","Place of Origin":"Sihong, China","Specification":"50CrVA","Quality Certification":"ISO 9001","Packaging Details":"Carton","Load Type":"Compression","Production Process":"Fine Punching","Size Range":"M1.6 to M36"}}