1/4-20 UNC Stainless Steel Thin Hex Nuts Hexagon Jam Nuts, 304 Stainless Steel 18-8, Full Thread, Coarse Thread, 50 PCS

Thread Size:1/4"-20; External Hex Drive Size: 7/16" | Width from point to point: 0.505 inch (max); Thickness: 0.163 inch (max); | Meets ASME B18.2.2 specifications described in the pictures. | Made of stainless steel 304 (no coating outside) which is superior to regular steel and any zinc plated fasteners, provides good strength and corrosion resistance in bad environments. | Commonly used in conjunction with bolts or screws to provide secure fastenings into unthreaded holes. You could find the matched bolts, flat washers and lock washers seperately in our store.