√ Drive Type: Phillips; Head Style: Flat Head; Exterior Finish: Black Oxide; Thread Pitch: 0.5mm.
√ 3X Rust Protection German Coating Tech- VIGRUE m3 countersunk screw incorporate German coating anti-rust technology, offer a threefold increase in rust protection compared to other brand regular screws. 90 days worry free WARRANTY.
√ The flat head top machine screws with nuts and washers of the same finish made from grade 4.8 Steel black oxided for superior corrosion resistance to ensure life-time use, fully threaded for maximum grip strength.
√ This black m3 machine screws have countersunk head to be able to sit flush with in a 82 degree tapered hole, used with nuts to fasten metal parts together. Widely used in vehicles, engines, tool assembly, electronic devices, and large-scale industrial equipment.