High Strength HDG Hex Head Bolts With Nuts

High Strength HDG Hex Head Bolts With Nuts 1.Standard:DIN933,DIN931,DIN960 2.Grade:4.8/6.8/8.8/10.9/12.9  3.Mark:According to customer's requirement 4.Size:M5-M64 5.Finish:Hot dip galvanized,black oxide,plain,zinc plated 6.Material:Carbon steel,alloy steel  7.Delivery time:Normally in 30-40 days. 8.Certification:ISO9001:2008 9.Package:Small box&cartons&pallets or according to customer's requirement.  From the quality control of incoming raw materials, process control of production lines, and finished product screening control, we ensure that 99% of products meet technical requirements.  All our products are subjected to strict test and inspection in each process by the workers and QC personnel periodically,starting form the raw ,aterial deliveres to the factory. The products shall be tested and inspected to be qualified before they are passed down to the next process. Our Advantages 1、 Quality defective rate is 50PPM. 2、 I…