Description
Glvaner 5/16"-18 Thread Size 1" Thread Length (20 pcs) Button Head Socket Cap Screws Bolts Black Oxide Finish 10.9 Grade Alloy Steel Full Thread Thread Size: 5/16"-18; Thread Pitch: 18 TPI; Thread Length: 1 inch; Material: 10.9 Grade alloy steel and black oxide finish, greater strength than stainless steel and provide good corroison resistant in dry environment. Package: 20 Pieces; Allen Hex Drive Size: 3/16" Head Diameter: 0.53 inch; Head Height: 0.16 inch The clean and bright button head make it ideal uses in furnitures, 3D printer projects and other indoor or outdoor projects.