Features 1、300Pcs in 1 Set: The kit includes 300pcs self tapping screws, sufficient in quantity, which can be used and replaced at any time. 2、Multiple Types: With M3 M3.5 M4 M5 thread specifications, suitable for different fastening needs. 3、Carbon Steel: Made of excellent carbon steel materials, with high hardness and wear resistance, and not easy to deform. 4、Cross Truss Head: These self tapping screws are cross truss head design, with standard size, the connection is tight and not easy to fall off. 5、Wide Applications: Widely used in thin wood products, plastic products, etc., for household or mechanical maintenance. Specification Item Type: Truss Head Tapping Screws Material: Black carbon steel Specifications: 60pcs M3.5 x 12 40pcs M5 x 12 50pcs M3.5 x 16 40pcs M4 x 20 30pcs M3.5 x 25 40pcs M3 x 12 40pcs M4 x 16 Package List 300 x Self Tapping Screws