Street Address: B Xinzhuang Industrial Park
City: Suzhou
Province: Jiangsu
Country/Region: China
Jinstar fastener manufactures many types of square head bolts. Bolts are manufactured in grades 2, 5 and 8 from ?inches through 2- 1/ 2 inches in diameter with no limitations on lengths. All bolts are manufactured to A. R. E. A. And A. S. T. M. Specifications with either rolled threads of cut threads. Product Standard： GB：GB/ T 8- 88，DIN：DIN478、 DIN479、 DIN480，ANSI：ANSI/ ASME B18. 2. 1, JIS: JIS B1182- 1995, As well as BS & the customer incoming samples, Drawing carries on production. Product Specification：Diameter：M6- - - M64，1/ 4″- - - - 2- 1/ 2″，The length does not limit。Product Grade： Carries out 4. 6、 5. 6、 6. 8 、 8. 8 、 10. 9、 12. 9 or Grade 2、 Grade 5、 Grade 8。Product Finish：Becomes Black 、 Yellow Zinc、 White Zinc、 The Hot Dipping Zinc , Chrome- Faced.