CARRIAGE BOLTS SERIES STANDARD: DIN603　ANSI　ISO8677　BS　GB MATERIAL: CARBON　STEEL DIAMETER: 5MM--20MM　1/4"--3/4" LENGTH: 15MM--300MM　1/2"--12" THREAD: MM　UNC　UNF　BSW GRADE: 4.8　5.8　6.8　8.8 FINISH: PLAIN　ZINC　BLACK　NICKEL CHROME　H.D.G < Onclick Back >

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