1/2-13 x 3-1/2" (5 Sets) Stainless Steel Hex Bolts Screws with Nuts Flat Washers Lock Washers, 304 SS 18-8, Hexagon Head, Fully Machine Threaded, Bright Finish

SIZE: 1/2-13 x 3-1/2" Hex Bolt + Hex Nut + Flat Wahser + Lock Washer Specification: Bolt Thread Diameter 1/2" Bolt Head Width Measured From Flat to Flat 0.75 inch Bolt Head Height 0.32 inch Nut Size: 1/2-13 Flat Washer Size: 1/2" x 1-1/4" Outside Diameter Lock Washer: 1/2"-13 Package Included: 5 PCS Hex head cap screws are precision threaded fasteners with an External socket drive .They are known for their effecient application performance and endurance widely used in a variety of industries such as construction, manufacturing, engineering, assembling，aircraft and so on. The high quality 304 stainless steel provide perfect strength and good corrosion resistance in bad environments like high temperature, cold weather and high humidity areas without the need for time consuming and costly maintenance. Eastlo fastener hex cap screws meet the specific tolerance as described under ASME B18.2.1-1996 and guarantee to out live and out last all other grades of hardware where exposed to outdoor elements. Contact Us: If you have any questions when using, please feel free to contact us by Amazon message.