100Pcs #14 x 1-1/2" Hex Washer Head Self Drilling Screws Sheet Metal Screws 16mm x 15mm x 300mm * Head Thickness: 1

* Head Thickness: 1

free protective layer prevents sun rays from damaging your vehicle exterior and interior

Male Thread Size: M5 x 12mm

Y shape copper fitting are used to spilt the copper pipeline

100Pcs #14 x 1-1/2" Hex Washer Head Self Drilling Screws Sheet Metal Screws 16mm x 15mm x 300mm * Head Thickness: 1Description: Made of higher strength 410 stainless steel material with black zinc plating finish, it has good hardness, corrosion resistance and rust resistance that provides a firm fixing indoors and outdoors, not easy to deform or fade. With drill tail, it can drill well into the wood, sheet metal, thin sheet, plastic and other surfaces, the precision thread can reduce the resistance when screwing in and prevent cracking, making work easier. Hex