Features 104pcs in Set: The set contains 104 pcs M4.2 cross slot round washer head self drilling screw, the length are 13mm, 16mm, 19mm, 25mm, 32mm, 38mm. Carbon Steel Material: The M4.2 screw is made of premium carbon steel, resistant to corrosion and rust, with high strength, no deformation, can be used for a long time. Simple Operation: The carbon steel screw is suitable for non metal or soft metal, easy to use, no need for mounting holes, no nut required. Deep Thread: The screw is designed with deep thread, durable and sturdy, can provide a good grip in different materials to achieve the effect of connection and tightening. Wide Usage: The M4.2 self drilling screws are widely used in household appliances, furniture, woodworking and DIY jobs, cabinet industries, etc. Specification: Item Type: Self Drilling Screw Material: Carbon Steel Color: Silver Usage: Used in household appliances, furniture, woodworking and DIY jobs, cabinet industries Package List: 15 x M4.2x16mm Self Drilling Screw 14 x M4.2x32mm Self Drilling Screw 13 x M4.2x38mm Self Drilling Screw 25 x M4.2x19mm Self Drilling Screw 17 x M4.2x13mm Self Drilling Screw 20 x M4.2x25mm Self Drilling Screw 1 x Storage Box Package List 15 x M4.2x16mm Self Drilling Screw 14 x M4.2x32mm Self Drilling Screw 13 x M4.2x38mm Self Drilling Screw 25 x M4.2x19mm Self Drilling Screw 17 x M4.2x13mm Self Drilling Screw 20 x M4.2x25mm Self Drilling Screw 1 x Storage Box