Arrowmax AM-13CS3040 Countersunk M3x40 Allen Screws 10-Pack  [AM-13CS3040]

Workshop-grade Countersunk Screws

For serious RC modelers, precision hardware matters. These M3x40 countersunk Allen screws deliver a neat finish and secure fastening across assemblies, making routine builds and repairs straightforward.

Flush-mount profile for moving parts

The countersunk head sits flush with the surface to minimise catching or rubbing, helping linkages and body panels stay clear during high speed running and detailed setups.

Suitable for a range of RC platforms

The M3x40 sizing fits many cars, planes and similar models, serving as dependable fastening when installed carefully and maintained as part of regular service.