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Shanghai Ren Sheng Standardized Item Manufacture Co.,Ltd
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About Us
Following is the information of our products:
BOLT:Standard:DIN558/601/931/933,A10-2/5
Finishes: 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,JIS
Finishes: Material:Steel/stainless steel Surface:Plain,Zinc plated,Yellow zinc,dichromate ...
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