10 Pcs 48x19mm Self-Tapping Screws Captive Loose Washer 8mm Hex for Head Black _x005f_x000D_ Features: _x005f_x000D_ Self-Drilling Screws, also known as Tek , eliminate the need for a pre-drilled hole. _x005f_x000D_ The length of the drill point determines the material thickness which the screw can reliably penetrate. _x005f_x000D_ When selecting a self-drilling screw design, it is important to consider the material thickness and type of materials to be joined. _x005f_x000D_ It is wood drill tail screw, mainly used in steel structure Caigang watt fixed can also be used for fixing the simple construction of the sheet material. It can not be used in combination with metal and metal. _x005f_x000D_ Teks self-tapping provide secure fastening with strong holding power without the need to pre-drill. _x005f_x000D_ _x005f_x000D_ _x005f_x000D_ _x005f_x000D_ Specifications: _x005f_x000D_ Color: Black _x005f_x000D_ for Head Style: Hex Washer Head _x005f_x000D_ for Head Diameter: 8mm/0.31" _x005f_x000D_ Thread Diameter: 4.8mm/0.19" _x005f_x000D_ Thread Length: 19mm/0.75" _x005f_x000D_ Total Length: 22mm/0.87" _x005f_x000D_ Quantity: 10 Pcs _x005f_x000D_ _x005f_x000D_ _x005f_x000D_ Note: _x005f_x000D_ Please allow 1-3mm error due to manual measurement. pls make sure you do not mind before you bid. _x005f_x000D_ Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! _x005f_x000D_ _x005f_x000D_ No Retail Package _x005f_x000D_ _x005f_x000D_ Package Contents: _x005f_x000D_ 10 x Self-Tapping Screws _x005f_x000D_ _x005f_x000D_ _x005f_x000D_ _x005f_x000D_ _x005f_x000D_