| Product name | DIN 127 spring washer/lock washer | 
    | Size | M5-M52 | 
    | Surface | Zinc, black, plain, HDG, etc | 
    | Standard | ISO,DIN, ANSI/ASME, JIS ,GB | 
    | Grade | 4.8/ 8.8/ 10.9/ 12.9 Ect | 
    | Material | Carbon Steel | 
    | Certificate | ISO 9001 | 
    | Package | Bag/carton+pallet packing or customized | 
    | Application | Heavy Industry, Mining, Water Treatment, Healthcare, Retail Industry,General Industry, Oil&gas, Automative. | 
    | Advantage | • One-stop shopping;  • professional and experienced engineers and strict QC and QA system  • response within 24 hours  • Have passed the quality authentication  • large stock for standard size  • Timely delivery  • Supply Material and Test Reports;  • Samples for free |