M3 Black 304 Stainless Steel Cap Nut (Pack of 10)

M3 cap nuts in black-finished 304 stainless steel, sold as a pack of 10. The closed end covers the tip of the screw, giving a tidy, snag-free finish wherever M3 hardware pokes through frame plates, standoffs, camera mounts and landing gear.

Key features

• M3 metric thread, the screw size used on 30.5x30.5 stacks and most 5-inch-and-larger frames
• Closed cap end hides exposed thread and keeps sharp screw tips away from wires, straps and fingers
• Black finish blends in on carbon-fibre frames

Use them on the outer face of a build where a screw protrudes. A plain cap nut has no locking insert, so add a drop of medium threadlocker on joints that see heavy vibration, or pick nylon lock nuts where self-locking matters more than looks.