Shanghai Spot Copper Price Chart July 25

Accessories
* Nut:
Type: square nut/heavy square nut/hex nut/heavy hex nut/flange nut/slotted nut/lock nut/wrench nut, etc.
Material:Steel Q235, 35#, 45#; Alloy Steel 40Cr, 42CrMo, 35CrMo
Grade: 4/5/8/10/12, AREMA ,SAE J995
Surface: Plain Oiled, Oxygen Black, Zinc Plated, Hot Dip Galvanized, Dacro coating
*Spring washer
Material: 65MN/60Si2Mn
Grade: AREMA 1967/ GB
Surface: Plain Oiled, Oxygen Black, Zinc Plated, Hot Dip Galvanized, Dacro coating
Other bolt styles
*Clip bolt for tension clip
*Clamp bolt for clamp
* Frog Bolt for turnout: square head bolt/thin square head drilled bolt/BHON bolt
*Tunnel bolt: Spear bolt/ curved bolt
Track Bolt,Track Shoe Bolt,Oval Neck Track Bolts,Railroad Track Bolts
TAICANG ZHONGBO RAILWAY FASTENING CO., LTD. , https://www.railfastener.com