60 PCS Hex Head Self-Tapping Screws for Metal,Black 410 Stainless Steel Self-Drilling Screws (M4.2 * 19mm)

• Made from 410 stainless steel with a black oxide finish, these screws offer excellent corrosion and rust resistance, suitable for both indoor and outdoor use, with a longer lifespan than standard screws.
• The screws feature a self-drilling tip for easy, quick drilling.
• You will receive 60 black self-drilling screws, size: M4.2*19mm.
• No pre-drilling is required, making these screws ideal for metal-to-metal or metal-to-wood connections.
• Suitable for use in manufacturing, construction, engineering, and assembly industries.

These 410 stainless steel self-drilling screws are exceptionally hard, with sharp tips for excellent self-tapping ability and secure fastening. They are ideal for connecting plastic, industrial plastics, aluminum, steel roofing, and wood.