TB/T 2347-1993
Grade 10 hexagon nut for joint bolts and insulated joint bolts
TB/B 2347-1993
Class 8.8 high strength joint bolts
TB/B 2347-1993
Class 10.9 high strength joint bolts
TB/T 2347-1993
Class 8.8 high strength insulated joint bolts
TB/T 2347-1993
Class 10.9 high strength insulated joint bolts
TB/T 3019-2001
Variable tooth type anti-loose nut
TB/T 3019-2001
Flanged anti-loose nut
TB 56-1993
Rounded pin
TB 54-1993
Optical circular pin
TB/T 3049-2002
Threaded pin(L=145、155、165mm)
TB/T 59-1993
Flat washer for round pin
TB/T 1479-1991
Axle end bolt for rail vehicle axle-hexagon head bolts for rough pole
TB/T 1479-1991
Axle end bolt for rail vehicle axle- hexagon head with hole bolts for rough pole
TB/T 1479-1991
Axle end bolt for rail vehicle axle-hexagon head bolts for fine rod
TB/T 1479-1991
Axle end bolt for rail vehicle axle-hexagon head with hole bolts for fine rod
TB/T 564-1992
Spiral nail
