These black hex head trim screws are designed for secure fastening in automotive applications. Built with a 4.2 x 1.41 x 20mm thread size and paired with a 7mm indented hex head, they provide strong engagement for trim panel installations. Each screw includes a 17mm OD loose washer for improved surface coverage and stability.

Specifications & Features

• Screw Size: 4.2 x 1.41 x 20mm
• Head Type: 7mm indented hex head
• Washer Diameter: 17mm outside diameter (loose washer)
• Finish: Black
• Application: Commonly used for automotive trim fastening
• Replaces: G.M. # 11503892, 11500434, 11502449, 11503403, 1640810