1/4"-20 X 3-1/2" Machine Screws | Flat Head | Phillips Drive | 18/8 Stainless Steel Black Oxide (500/Pkg.) Hot Dipped Galvanized Steel Size and thread: 1/4-20 UNC

Size and thread: 1/4-20 UNC coarse thread

Material: 316 stainless steel for maximum corrosion resistance and strength in challenging environments

The combination of high-grade 18/8 stainless steel and a robust black oxide finish provides excellent corrosion resistance with a low-glare

pair these screws with matching nuts or tapped holes and use the appropriate screwdriver or bit to prevent head damage

offering superior corrosion resistance and reliable performance in outdoor or damp environments

1/4"-20 X 3-1/2" Machine Screws | Flat Head | Phillips Drive | 18/8 Stainless Steel Black Oxide (500/Pkg.) Hot Dipped Galvanized Steel Size and thread: 1/4-20 UNCSecure and corrosion resistant, the Machine Screws Phil Flat 18 8 Stainless Black Oxide 1 4 20 x 3 1 2 is designed for durable metal fastening with a flush finish. Crafted from 18 8 stainless steel and finished with a black oxide coating, these screws combine corrosion resistance with a low profile aesthetic. Specifications Material: 18 8 stainless steel (304) Finish: Black oxide Drive Type: Phillips Head Style: Flat Thread Size: 1 4 20 UNC Length: 3