Monster Fastener Zinc Plated Grade 8 Steel Coarse Thread Hex Washer Head Flange Bolts

Diameter: 1/2"Length: 2-1/2"Material: SteelFinish: Yellow ZincHead Style: Hex Washer (3/4" Wrench)Thread Size: 13 (Coarse)Thread Length: 1" to 2"Hardness: Grade 8Type: Flange Bolt Diameter: 3/8"Length: 3"Material: SteelFinish: Yellow ZincHead Style: Hex Washer (9/16" Wrench)Thread Size: 16 (Coarse)Thread Length: 1" to 2"Hardness: Grade 8Type: Flange Bolt A flange bolt has a wide flange beneath the hex head of the bolt. Applied with a wrench.