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ASTM HT100 Horizontal Ductile Iron Precise Casting Tube EB12224
1. Bolt material:40Cr;
2. Bolt strength: Grade 8.8 or 10.9;
3. Nut material:A3 steel;
4. One bolt unit includes a bolt, a nut, a rubber ring, a concave washer and a spring washer.
5. The bolt units can match the bolt holes of the liner plates very well.