YTRFGH-3/8-16 x 3 Carriage Bolt Kit, Stainless Steel 304 Carriage Bolts Screws with Hex Nuts & Flat Washers, Round Head Square Neck, Full Thread, Black Finish, 4 Sets

Thread Diameter 3/8 Inch; Thread Pitch 16 TPI; Screw Length 3 Inch; Head Diameter 0.81 Inch; Head Height 0.19 Inch.Package Includes 4 PCS 3/8-16 x 3" Carriage Bolts come with 4 PCS 3/8-16 Hex Nuts and 4 PCS 3/8" ID Flat Washers.Material Made of 304 stainless steel which has great strength, good stability and corrosion resistance performance, very reliable.Feature Carriage bolts have a dome shaped head and a square neck generally requiring a hex nut and flat washer. The dome shaped head design without a cross slot or hex can be anti-theft. The square neck makes them self-locking when used within a square hole.Wide Application Suitable for the fastening of wooden components to wood or metal, such as heavy applications like decks, pavilion, ship yacht, automotive suspension systems, mechanical industry, and other structures that require sturdy support.