Our standoff screws are widely used in computers, computer cases, circuit board assembly, electronic fields, etc. The PCB standoffs play a supporting, isolating and fastening role in the use.Specification Material: Brass, Stainless SteelThread: M2.5Thread Pitch: 0.4mmFemale-Male Thread Length: 6mm+6mm, 10mm+6mm, 15mm+6mm, 20mm+6mmFemale Thread Length: 6mm, 10mm, 15mm, 20mmPackaging List: 10pcs 6mm+6mm Female-Male Thread Standoffs; 10pcs 10mm+6mm Female-Male Thread Standoffs; 10pcs 15mm+6mm Female-Male Thread Standoffs; 10pcs 20mm+6mm Female-Male Thread Standoffs; 10pcs 6mm Female Thread Standoffs; 10pcs 10mm Female Thread Standoffs; 10pcs 15mm Female Thread Standoffs; 10pcs 20mm Female Thread Standoffs; 20pcs M2.5x6mm Screws; 20pcs M2.5x2mm Nuts (Packed in a plastic box)AdvantageThe standoff screws are made of brass and stainless steel, which is rust-free, durable, stable, and reusable compared with plastic.InstructionSpecially designed to keep PCB at a consistent height and prevent it from bending, twisting, and short-circuiting.NOTE: Please measure the required length of your project, and then select the appropriate standoffs to save your time and effort.