BOX of 160 ZONADAH Tek Self-Drilling Screws, Cross Countersunk Head Zinc Plated Metal Thin Sheet Screws with 2 Free Deive Bits, from 4.2 * 13 to 4.2 * 50, DIY, Home Repair, Fence, Door fixing

• Box of 160 ZONADAH Self Drilling Screws, Flat Head, Cross Countersunk metal screws. Includes Size: 4.2mm*13, 4.2mm*16, 4.2mm*19, 4.2mm*25, 4.2mm*32, 4.2mm*38, 4.2mm*45, and 4.2mm*50. Each size has 20 pieces
• These self-tapping screws metal are made of high-hardness carbon steel material and are suitable for steel processing aluminum and thin metal processing.(Please do not use them on thick metal panel)
• The tail of the screw is pointed, which can be drilled, tapped, and locked directly on the base material, which greatly saves construction time
• For fixing light metal to steel (i.e. Sheds, light metal, metal house framing, fencing and signs)
• All of screws will be packed in a sturdy plastic box, can be used as a storage box, 8 mostly used sizes, and different sizes can meet your different needs.

Sheet Metal Screws are known to be convenient and versatile. Great to have while working with sheet metal and wet environments. Suitable for indoor and outdoor . - Comes with 2 cross bits - Material: Carbon Steel Package Included: 20 pieces of M4.2 * 13MM 20 pieces of M4.2 * 16MM 20 pieces of M4.2 * 19MM 20 pieces of M4.2* 25MM 20 pieces of M4.2 * 32MM 20 pieces of M4.2 * 38MM 20 pieces of M4.2 * 45MM 20 pieces of M4.2 * 50MM Cross bits------------2PCS