Caja surtida - Pernos - 220 piezas Pernos automáticos de cabeza rascadora en cruz, negros y duros, para yeso/madera, para paredes secas

High-strength carbon steel: Made of high-quality carbon steel with excellent mechanical strength for heavy-duty assembly applications. Black oxidation treatment: The surface is treated with black oxidation, providing strong corrosion resistance; beautiful and generous, suitable for decorative mounting. Full specifications: Includes general specifications such as self-tapping screws, drywall nails, wood screws, etc., which can meet the needs of mounting many materials. Professional design: All types of fastener sizes are precisely matched, which simplifies the installation process and improves work efficiency.