Thread Size: M3.8(#7); Total Length: 45mm/1.77"; Head Dia: 7.8mm/0.3". Packaging: This flat head screw package contains 150pcs with flat head to meet your daily needs, is not easy to slide during installation, and can be quickly and easily sunk. They are for use at home, in the office, or at work.. Material: Made of carbon steel for high hardness and strength. Black oxide finishes for corrosion and resistance.. Advantages: Self-tapping design allows faster screwing into hardwood, reducing cracking problems. For different materials, even wood materials, soft metals, or other materials, cross grooves are easy to drill into, it is a good hardware fastener for wood and fiberboard.. Application: Coarse thread self-tapping screws are mainly used on different occasions such as furniture, wardrobe, office furniture, wooden doors, toilet equipment, and so on. Widely used in electronics, communication, power products, and floor fastening applications..
