changshu huibo railway fastener co.,ltd
Insulator/Dowels/Ferrule, railway track material, fastener, railway fastener, base plate/rail pads, Manufacturer and Supplier - China(CN)
knurled thumb bolts (HB11)
1) Standards: DIN, ANSI, JIS, BS, ANSI B18.2.2, JIS B1181, DIN931, DIN933,
ANSI/ASME UNC, UNF and non-standard products
2) DIN: grade 4.8, 8.8, 10.9, 12.9 for bolts; ANSI: 2-level, 5-level, 8-level
3) Used in bridges, buildings, machinery, petrol and other industries
4) All kinds of specifications, intensities and GB standards available.