Losi 4-40 x 3/8 Flat Head Socket RC Screw - A6210

The Losi LOSA6210 is a 4-40 x 3/8 flat head socket screw designed as a genuine Losi spare part for RC car assembly and repair. These small-format fasteners are a common replacement need across a range of Losi vehicles, particularly where countersunk mounting points are used on chassis plates, bulkheads, and body components. Having the correct hardware on hand keeps builds clean and prevents stripped or missing screws from holding up a repair.

Key Features

• 4-40 thread size with 3/8 inch length suits countersunk fastener applications
• Flat head socket drive requires a hex key for installation, providing a flush finish when seated
• Genuine Losi part under style code LOSA6210, ensuring correct thread pitch and dimensions for Losi assemblies
• Small hardware item suited to chassis, electronics mounting, and structural component repairs

What's Included

• LOSA6210 4-40 x 3/8 flat head socket screws (quantity as packaged)

What You Need

• Appropriate hex key or Allen wrench to drive the flat head socket fastener