Quick view 5/16"-18 X 3/8" Flange Screws, Hex Washer Head, Locking Serrations, Full Thread, Steel, Zinc Plated $916.92 Select Quantity Compare
Quick view 5/16"-18 X 3/4" Flange Screws, Hex Washer Head, Locking Serrations, Full Thread, Steel, Zinc Plated $153.32 Select Quantity Compare
Quick view 5/16"-18 X 3-1/2" Flange Screws, Hex Washer Head, Locking Serrations, Full Thread, Steel, Zinc Plated $363.36 Select Quantity Compare
Quick view 5/16"-18 X 3" Flange Screws, Hex Washer Head, Locking Serrations, Full Thread, Steel, Zinc Plated $169.97 Select Quantity Compare
Quick view 5/16"-18 X 2-3/4" Flange Screws, Hex Washer Head, Locking Serrations, Full Thread, Steel, Zinc Plated $150.88 Select Quantity Compare
Quick view 5/16"-18 X 2-1/4" Flange Screws, Hex Washer Head, Locking Serrations, Full Thread, Steel, Zinc Plated $173.23 Select Quantity Compare
Quick view 5/16"-18 X 2-1/2" Flange Screws, Hex Washer Head, Locking Serrations, Full Thread, Steel, Zinc Plated $203.73 Select Quantity Compare
Quick view 5/16"-18 X 2" Flange Screws, Hex Washer Head, Locking Serrations, Full Thread, Steel, Zinc Plated $140.20 Select Quantity Compare
Quick view 5/16"-18 X 1-3/4" Flange Screws, Hex Washer Head, Locking Serrations, Full Thread, Steel, Zinc Plated $186.06 Select Quantity Compare
Quick view 5/16"-18 X 1/2" Flange Screws, Hex Washer Head, Locking Serrations, Full Thread, Steel, Zinc Plated $703.32 Select Quantity Compare
Quick view 5/16"-18 X 1-1/4" Flange Screws, Hex Washer Head, Locking Serrations, Full Thread, Steel, Zinc Plated $290.00 Select Quantity Compare
Quick view 5/16"-18 X 1-1/2" Flange Screws, Hex Washer Head, Locking Serrations, Full Thread, Steel, Zinc Plated $243.16 Select Quantity Compare
Quick view 5/16"-18 X 3/8" Flange Screws, Hex Washer Head, Locking Serrations, Full Thread, Steel, Zinc Plated Flange under the head acts like a washer to increase the bearing surface and distribute the load.Serrated teeth under the head bite into the mating surface as tightened to prevent loosening.Diameter (Nominal): 5/16"Diameter (Dimension): 0.3125"Thread... $916.92 Select Quantity Compare
Quick view 5/16"-18 X 3/4" Flange Screws, Hex Washer Head, Locking Serrations, Full Thread, Steel, Zinc Plated Flange under the head acts like a washer to increase the bearing surface and distribute the load.Serrated teeth under the head bite into the mating surface as tightened to prevent loosening.Diameter (Nominal): 5/16"Diameter (Dimension): 0.3125"Thread... $153.32 Select Quantity Compare
Quick view 5/16"-18 X 3-1/2" Flange Screws, Hex Washer Head, Locking Serrations, Full Thread, Steel, Zinc Plated Flange under the head acts like a washer to increase the bearing surface and distribute the load.Serrated teeth under the head bite into the mating surface as tightened to prevent loosening.Diameter (Nominal): 5/16"Diameter (Dimension): 0.3125"Thread... $363.36 Select Quantity Compare
Quick view 5/16"-18 X 3" Flange Screws, Hex Washer Head, Locking Serrations, Full Thread, Steel, Zinc Plated Flange under the head acts like a washer to increase the bearing surface and distribute the load.Serrated teeth under the head bite into the mating surface as tightened to prevent loosening.Diameter (Nominal): 5/16"Diameter (Dimension): 0.3125"Thread... $169.97 Select Quantity Compare
Quick view 5/16"-18 X 2-3/4" Flange Screws, Hex Washer Head, Locking Serrations, Full Thread, Steel, Zinc Plated Flange under the head acts like a washer to increase the bearing surface and distribute the load.Serrated teeth under the head bite into the mating surface as tightened to prevent loosening.Diameter (Nominal): 5/16"Diameter (Dimension): 0.3125"Thread... $150.88 Select Quantity Compare
Quick view 5/16"-18 X 2-1/4" Flange Screws, Hex Washer Head, Locking Serrations, Full Thread, Steel, Zinc Plated Flange under the head acts like a washer to increase the bearing surface and distribute the load.Serrated teeth under the head bite into the mating surface as tightened to prevent loosening.Diameter (Nominal): 5/16"Diameter (Dimension): 0.3125"Thread... $173.23 Select Quantity Compare
Quick view 5/16"-18 X 2-1/2" Flange Screws, Hex Washer Head, Locking Serrations, Full Thread, Steel, Zinc Plated Flange under the head acts like a washer to increase the bearing surface and distribute the load.Serrated teeth under the head bite into the mating surface as tightened to prevent loosening.Diameter (Nominal): 5/16"Diameter (Dimension): 0.3125"Thread... $203.73 Select Quantity Compare
Quick view 5/16"-18 X 2" Flange Screws, Hex Washer Head, Locking Serrations, Full Thread, Steel, Zinc Plated Flange under the head acts like a washer to increase the bearing surface and distribute the load.Serrated teeth under the head bite into the mating surface as tightened to prevent loosening.Diameter (Nominal): 5/16"Diameter (Dimension): 0.3125"Thread... $140.20 Select Quantity Compare
Quick view 5/16"-18 X 1-3/4" Flange Screws, Hex Washer Head, Locking Serrations, Full Thread, Steel, Zinc Plated Flange under the head acts like a washer to increase the bearing surface and distribute the load.Serrated teeth under the head bite into the mating surface as tightened to prevent loosening.Diameter (Nominal): 5/16"Diameter (Dimension): 0.3125"Thread... $186.06 Select Quantity Compare
Quick view 5/16"-18 X 1/2" Flange Screws, Hex Washer Head, Locking Serrations, Full Thread, Steel, Zinc Plated Flange under the head acts like a washer to increase the bearing surface and distribute the load.Serrated teeth under the head bite into the mating surface as tightened to prevent loosening.Diameter (Nominal): 5/16"Diameter (Dimension): 0.3125"Thread... $703.32 Select Quantity Compare
Quick view 5/16"-18 X 1-1/4" Flange Screws, Hex Washer Head, Locking Serrations, Full Thread, Steel, Zinc Plated Flange under the head acts like a washer to increase the bearing surface and distribute the load.Serrated teeth under the head bite into the mating surface as tightened to prevent loosening.Diameter (Nominal): 5/16"Diameter (Dimension): 0.3125"Thread... $290.00 Select Quantity Compare
Quick view 5/16"-18 X 1-1/2" Flange Screws, Hex Washer Head, Locking Serrations, Full Thread, Steel, Zinc Plated Flange under the head acts like a washer to increase the bearing surface and distribute the load.Serrated teeth under the head bite into the mating surface as tightened to prevent loosening.Diameter (Nominal): 5/16"Diameter (Dimension): 0.3125"Thread... $243.16 Select Quantity Compare