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ASTM A325 Heavy Hex Structure Bolt
2016-11-12 01:04
ngThread RollingCuttingChamferingHot Heading
DIN931 Hexagon Head BOLST with Half Thread
2016-10-29 08:28
1. Phyical Dimention:2. Strength: Graed4.6, 4.8, 8.8, 10.9, 12.9
