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All-in-One 240PCS M2.5 Brass Male-Female Hex Standoff & Fastener Assortment This multi-spec PCB spacer kit uses standard M2.5 0.45mm metric thread, total 240 pieces. Brass male-female standoff sizes:5+5/6+6/8+6/10+6/15+6/18+6/20+6/22+6mm (10pcs each). Supporting hardware:40pcs standard pan head screws,20pcs flat head screws,20pcs collar pan head screws,80pcs M2.5 stainless hex nuts. Hex standoff across flat width 4.6mm, ideal layered spacing for medium-sized circuit boards
Corrosion Resistant Premium Brass & 304 Stainless Steel:Threaded standoffs are cast from solid brass with stable electrical conductivity and rust resistance; all matching screws and hex nuts adopt 304 stainless steel to avoid oxidation. Durable enough for long-term indoor electronic equipment assembly without rust failure
Hex Male-Female Threaded Spacing Design:Both ends feature identical M2.5 internal and external threads for stacking multi-layer PCBs. Hex flat sides can be firmly clamped by wrenches to prevent rotation during tightening, easily adjust board clearance for heat dissipation and component isolation
Three Kinds of M2.5 Phillips Cross Screws for Full Compatibility:Equipped with three universal cross-head fasteners to meet diverse assembly needs: standard pan head for general fixing; flat countersunk head for flush smooth surface mounting; collar pan head for limiting board displacement, fully cover most PCB installation scenarios
Separated Plastic Storage Case & Versatile Electronic Applications Packed in transparent compartmentalized plastic box, each specification stored independently for quick lookup and anti-loss. Widely applied for Raspberry Pi, Arduino, FPV quadcopter drone, small communication modules, miniature control circuit, electronic DIY modification and maintenance projects
