The Arrowmax AM-13CS4020 M4x20 countersunk Allen screws are a straightforward choice for hobbyists who want a tidy finish. Their profile keeps the screw head level with the surface, reducing snag points on the model.
Made from strong steel with a hex socket, these screws let you apply controlled torque during installation. The hex design helps prevent slippage and makes later removal easier when servicing your model.
These M4x20 screws are commonly used for chassis fastenings, mount brackets and panel fixings where a flush head is preferred. They help maintain a professional look while keeping components secure.
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