5/16-18 x 1-1/2 Zinc Plated Grade 5 Steel Coarse Thread Serrated Hex Washer Head Flange Bolts (Box of 6)
Diameter: 5/16Length: 1-1/2Material: SteelFinish: ZincHead Style: Hex Washer (1/2 Wrench)Thread Size: 18 (Coarse)Thread Length: 1 to 2Hardness: Grade 5Style: SerratedType: Flange BoltBox of 6.A flange bolt has a wide flange beneath the hex head of the bolt. Applied with a wrench.