Taicang Zhongbo Railway Fastening Co., Ltd. [China]

High strength, easy for installation and replacement. Fully comply with AREMA standard in each test items

Standard ones or non-standard requirements or drawings from customers

Material: 65Mn or specified by clients

Protection: plain (oiled), hot dip galvanized,  white zink plated, yellow zink plated,  black, dacromet, geomet or others specified by the customers

Product Standard: AREA 1967,DIN127, ANSI/ASME B18.22.1, JIS B1256 or other standard or drawing required by clients.

Specification: 7/8", 1", 1-1/8", 1-1/16", WL20, WL22, WL24, WL27 etc.

Grade: 60Si2Mn

Black finished.

Lock washer