Infly Fasteners is a Manufacturers & Factory to supply DIN603 metric DIN Carriage bolts and Mushroom head,Round head square neck bolt in China bolts suppliers- Infly Fasteners Factory.
The Carriage bolt, also called mushroom head square neck bolt or round head square neck bolts, the commonly used standrads are DIN603,Infly Fasteners Inc is a manufacturers factory of DIN603 metric Carriage Bolt, to supply to Mushroom head square neck bolt and Round head square neck bolt, we are according to DIN603 and EN ISO 898.
 
About Carriage bolt DIN603, we can do:
Size: diameter:M5-M16, Length: 20-200mm
Material: Carbon steel class 4.8-8.8, Q195, 1008, 1035, 10B21
Surface: Self, colour, White zinc, Blue zinc, Yellow Zinc, Black, Hot dip galvanizing
Packing: bulk about 20KG-25KG carton and then on pallet.

Infly Fasteners Factory - A Manufacturers of Carriage bolt.
Contact name: Mr.Lufel Lee
Address: No.333 Xinqiao Road, Haiyan 314300, Jiaxing City, Zhejiang, China.
Tel: +86-189-0683-5012
Fax: +86-573-8605-9165
P.H: +86-189-0683-5012
QQ: 929850133
Skype: boltschina
Email: infasteners@yahoo.com, info@ifbolt.com 
Website：In Chinese www.luosic.com, In English www.ifbolt.com