Taicang Zhongbo Railway Fastening Co., Ltd
railway fastening, fish bolt, sleeper screw, tension clip, clip bolt, Manufacturer and Supplier - China(CN)
Railway Double Lead Bolt (zb09)
Standard: GB/T 15389-94, GB/T 901, GB/T 897-1988, GB-T 953-1988, GB/T 899-1988, GB/T 900-1988, GB/T 953-1988, DIN925, DIN938, DIN939, DIN2509-86, IFI 136 or according to the drawings customer requires.
Specification: Diameter M16-M64, 1/42-1/2
Length is no limited
Grade: 4.6, 5.6, 6.8, 8.8, 10.9, 12.9, SAE J429, ASTM A307, ASTM
Finish: Black, Zinc yellow plated, Zinc white plated, HDG, Dichromate
Application: railway fastening