hot sell trailer brake drum Sizes: 5-4. 5", 6-5. 5", 8-6. 5" Used on 2500 to 10000lbs trailer or truck axle Hot sell trailer brake drumSurface finish: Black painting, Zinc plating, Galvanizing, DacrometMeterial: SAE G3500 Tensile 250MPa min, Brinell Hardness 187-255Stud: 1/2-20UNF-2A SAE-Grade 8 Tensile 150,000 PSI min, Proof 120,000 PSI minBearing Race: L-44610, L-68111, LM-67010, 15245, 14276. ...