Product name
Rail Fish Bolt roller Shoe Oval Neck Joint Bar Railway Track Bolt
track bolts and nuts Standard
DIN,JIS ,BS,IFI
hex thin nut
M4-M16,1/4"-5/8"
types of door bolts Usage
For building and construction
Material 1
Carbon steel Grade 2/5/8
Material 2
Carbon steel Class 4.8/8.8/10.9