Brand:HB
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1. square, rectangular, hex and dome heads 2. dimensions from 5/8 inch thru 1-1/8 inch
3. medium carbon steel not heat treated or medium carbon steel heat treated to A-325 specifications.
4. spring washers and screw inserts are available .
5. other specifications available based on your drawings.
6.Applied on railway lines equipment with wooden sleeper ,turn-outs, and switches.
