Feature:1. SELF DRILLING SCREW: There is no need for mounting holes, the product can be directly screwed into the product with screws, and the effect of connection and fastening can be achieved without nut matching.2. DEEP THREAD: The round head self tapping screw adopts deep thread design, which can provide good force in different materials to achieve the effect of connection and tightening.3. CARBON STEEL: Carbon steel is rust proof, has high strength, does not deform, can be used for a long time, and is environmentally friendly and pollution free.4. MAIN APPLICATION: Round head tapping screws can be used in household appliances, furniture and many woodworking and DIY jobs, furniture and cabinet industries.5. LONG SERVICE LIFE: This screw provides a good grip in different materials for a tight connection, is durable and has a long service life.Specification:Item Type: Round Head Cross ScrewsMaterial: Carbon steelColor: Blue and white zincUses: Used in household appliances, furniture and many woodworking and DIY jobs, furniture and cabinet industries..Package List:20 x 10 x 1-1/4in Screw20 x 10 x 1-1/2in Screw35 x 10 x 3/4in Screw35 x 10 x 1in Screw45 x 10 x 5/8in Screw45 x 10 x 1/2in Screw1 x Storage Box