Features:
a) Other names: carriage bolts, round head bolts, truss head or round head or metric 
cup head square neck bolts, round head fin 
neck bolts, countersunk square neck bolts, step bolts, plow bolts,
high way guard rails barrier bolts
b) Materials: carbon, alloy and stainless steel
c) Property: class 4.8 - 8.8; SAE gr 2 and 5; A2 - 70 / A4 - 80
d) Finish: black finish, zinc plating, H. D. G
e) Standards: DIN603, AS1390, BS, ANSI B18.2.1 / B18.5 / B18.9

We can supply the best quality Mushroom Head Square Neck Bolts, Roofing Bolts, Barrier Bolts to you. Our price is competitive and we take responsibility to any quality uncertainty.

Contact information: Inquire

Address:	5B, No. 288 Xiepu Road, Pudong Xinqu, Pudong Dadao, Shanghai City. China
Company Name:	Shanghai Fanto Hardwares Co., Ltd.
Contact Person:	Mr. Zhang Sizheng
Fax:	86-21-68559102
Telephone:	86-21-68559101
Website:	http://www.fanto-cn.com
Zip:	200135