Purchase Qty. Reference FOB Price
10,000-99,999 Pieces US$1.50
100,000+ Pieces US$0.50
Product Description
Product Description OEM customized rail sleeper screw for railway components Sleeper screw 3V meets with NF F50-006, Grade 4.6 and 5.6. The mechanical properties are in accordance with NF F 50006, tension strength 700MPA (min), elongation 12% (min), and cold bending 30 degree without ...