Shanghai Ren Sheng Standardized Item Manufacture Co.,Ltd

Following is the information of our products: BOLT:Standard:DIN558/601/931/933,A10-2/5Finishes: Material:steel  Surface Color:black,zinc plated;yellow zinc;dichromate and hot-dip galvanized  Grades:   Grade 8.8,6.8,5.8,4.8  Dimensions:Available in diameters of M3 to M20 and lenths of 6mm to 150mm   WASHER:Standard:DIN125A/126/434/440/6916/7349/7980/7989/9021,USS/SAE/NFE25513/NFE25514/BS4320,JISFinishes: Material:Steel/stainless steel  Surface:Plain,Zinc plated,Yellow zinc,dichromate,hot-dipped galvanized,chrome plated,hardened   Dimensions:Available in internal diameters of 1.6 to 96mm and outside diameters of 2.5mm to 175mm.  We can produce nonstandard products according to the requests of the customers as well. [详细介绍]