1/4-20 x 2-1/2" Button Head Socket Cap Bolts Screws, 304 Stainless Steel 18-8, Allen Hex Drive, Bright Finish, Fully Machine Thread, Pack of 20

Allen Hex Drive Size: 5/32"(0.156")
Thread Size：1/4-20; Thread Type: 20 TPI Coarse Thread (UNC); Thread Style: Right Hand; Thread Coverage: Full Thread
Exterior Finish: Bright Finish; Color: Silver Tone; Package Included: 20 PCS
Diameter of the Head: 0.437 inch; Height of the Head: 0.132 inch; Screw Length: 2-1/2 inch or 63mm (measured from under the head)
Made of 304 stainless steel (no coating outside) 18-8 which is superior to regular steel and any zinc plated fasteners, provides good strength and corrosion resistance in bad environments

Hello,