Description

SCREW Drive Type: Phillips Head Head Diameter:7mm Thread Diameter: M4 Thread Length: 58mm/ 2.28“ Total Length:60mm/ 2.36“ 50pcs in bag which is durable and easy for storage. elected High quality 304 Stainless Steel material,durable, Long service time. Smooth surface without burrs, high-quality workmanship, strong and durable. Phillips drive is a cross head design and is the most commonly used type in America. Phillips is often criticized for its tendency to cam out at lower torque levels but this was actually a deliberate feature of the design, for the purpose of assembling aluminum aircraft without overtightening the fasteners.