(4 Sets) M12-1.75 x 80mm Stainless Steel Carriage Bolts Screws Kits, Round Head Square Neck Screws, Hex Nuts & Flat Washers, 304 Stainless Steel 18/8,

(4 Sets) M12-1.75 x 80mm Stainless Steel Carriage Bolts Screws Kits, Round Head Square Neck Screws, Hex Nuts & Flat Washers, 304 Stainless Steel 18/8,

Package Includes: 4 Pcs Carriage Bolts (M12-1.75 x 80mm) + 4 Pcs Hex Nuts (M12-1.75)+ 4 Pcs 12mm inside diameter Flat Washers Thread Size: M12-1.75; Thread Pitch: 1.75mm; Thread Type: Coarse Thread Bolt head diameter: 29.3mm-30.6mm; Round head height: 6.1mm-6.9mm; Screw length (including the neck): 80mm Material: 304 stainless steel (A2) and no exterior finish, greater strength and corrosion resistance performance than regular stianless steel or zinc plated fasteners. Carriage bolts have a dome shaped head and a square neck generally requiring a hex nut and flat washer. The square neck makes them self-locking when used within a square hole.