Koswork 4x8mm Button Head Hex Hardened Steel RC Screw - KOSBS408

The Koswork KOSBS408 is a set of 4x8mm button head hex hardened steel screws supplied in a convenient storage container, designed for use in RC car builds and repairs. Koswork produces these M4 hardware screws for hobbyists who need reliable fasteners when assembling or maintaining competition-grade RC vehicles. The button head profile sits flush and low, making it a practical choice for areas where clearance is tight or a clean finish is needed.

Key Features

• M4 x 8mm button head hex drive screw in hardened steel construction
• Button head profile provides a lower, flatter head than standard socket cap screws, useful in tight or low-clearance areas
• Hardened steel material offers greater resistance to stripping and wear compared to standard steel fasteners
• Comes in a reusable container, keeping screws organised in your pit box or workspace
• Pack of 8 screws — enough for a full section replacement or to keep as workshop stock

What's Included

• 8 x Koswork 4x8mm button head hex hardened steel screws
• 1 x storage container

What You Need

• Appropriate hex driver or Allen key to fit M4 button head screws