【Features】 This is a pan head tapping screw with a Phillips head. It does not produce chips and does not require a nut. Made of stainless steel (SUS XM7), it has excellent corrosion resistance and heat resistance. 【Applications】 Used for fastening to thin steel plates. Self-taps into a steel plate (thinner than the screw pitch) with a pre-drilled hole. Suitable for use where the head can protrude. Due to its excellent corrosion resistance, it can be used in humid places and outdoors. 【Caution】 ※ A specified pilot hole is required in the mating material. ※ Not suitable for use in chlorine environments or salty environments such as near the coast. Specifications Head Diameter (mm): 7 Head Thickness (mm): 2.6 Suitable Driver: 2 Nominal Size (mm) d: 4 Nominal Size (mm) L: 20