... bolt Description Standard:ANSI,ASTM,JIS,DINGrade:Class 4.8 / 5. ... , AS, BS, JIS, GB, ISO and other standard&non-standard specifications base on our customers’ special request and drawings. ... relationships with customers as well as mature supply chains.The "Quality products", "Competitive Price", "Punctual shipment" plus our " ... fasteners."Whenever you need fasteners, contact us ” standard size stud bolt