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DIN15237 Plain Yellow Black Plain Grade Class 4.8 8.8 10.9 Belt Bolts Conveyor Belt Elevator Bolt/Conveyor Bolt/Belt Bolt/Elevator Bucket Bolts/Elevator Bolt

DIN15237 Plain Yellow Black Plain Grade Class 4.8 8.8 10.9 Belt Bolts Conveyor Belt Elevator Bolt/Conveyor Bolt/Belt Bolt/Elevator Bucket Bolts/Elevator Bolt
Belt Bolts1. Material:Q195/Q235 /10B21 /35K /#45/35Crmo/40Cr/20#/55#/42Crmo/20MnTiB/SS304/SS316 etc2. Grade: 4.8,8.8,10...

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