120pcs M3 Brass Hex Standoff Spacer Kit with Screws & Nuts

120-Piece M3 Brass Standoff Spacer & Stainless Steel Screw Nut Assortment Kit

Keep your PCBs, electronics, and DIY hardware projects firmly secured with this comprehensive 120-piece M3 fastener kit. Featuring premium solid brass hex column standoffs paired with high-strength stainless steel screws and nuts, this all-in-one assortment covers virtually all your electronic assembly and mounting needs — right out of the box.

Made in Mainland China.

Why You'll Love This Kit

• High-Purity Brass Standoffs: Crafted from premium solid brass, these standoffs deliver excellent electrical conductivity, natural corrosion resistance, and high structural hardness — ensuring stable signal transmission and long-term, reliable support for mounted circuit boards and components.
• High-Strength Stainless Steel Fasteners: The included M3 stainless steel screws and nuts offer outstanding tensile strength. They resist deformation, slipping, and corrosion during repeated tightening, so your assemblies stay firm and secure installation after installation.
• CNC Precision-Machined Threads: Every standoff, screw, and nut features CNC-cut standard M3 threads for a tight, jam-free fit — no thread slipping, no loose connections, and better overall work efficiency.
• Versatile Multi-Size Combination: The kit includes both male-female and female-only standoff types, plus matching screws and nuts, covering approximately 90% of everyday electronic assembly scenarios. No more sourcing individual parts for each project!
• Organized Storage Case Included: All 120 pieces are housed in a thick, transparent PP plastic storage box with individual grid compartments and a secure locking mechanism. It's shockproof, dustproof, and easy to carry — so you can quickly find the exact piece you need.

Specifications

Great Pairing for Your Workshop

Looking for more hardware and fastener solutions? Check out these related products in our store:

• 10PCS Stainless Steel Self-Tapping Screws M2.2–M4.8 Phillips
• 12pcs 16mm Momentary Push Button Switch 1NO Metal 2-Pin Self-Reset
• 10pcs 2-Pin Spring Wire Connectors – Quick Splice Lock Terminals

Note: Product photos may not reflect actual size — please refer to specifications above for sizing details. Minor color variations may occur due to monitor differences. Allow slight tolerances due to manual measurement.

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Frequently Asked Questions

Q: What sizes and types of standoffs are included in the M3 brass standoff kit?

A: This 120-piece M3 assortment kit includes both male-female and female-only brass hex column standoffs in common M3 sizes, along with matching M3 stainless steel screws and nuts. The multi-size combination is designed to cover approximately 90% of everyday PCB mounting and electronic assembly requirements.

Q: Are the brass standoffs suitable for PCB and computer case mounting?

A: Absolutely. The high-purity brass standoffs feature CNC precision-machined M3 threads and excellent electrical conductivity, making them ideal for PCB mounting, computer case assembly, 3D printer builds, router installation, and general DIY electronic hardware projects.

Q: Does the kit come with a storage case to keep parts organized?

A: Yes! Every kit includes a thick, transparent PP plastic storage box with individual grid compartments and a secure locking lid. It's shockproof and dustproof, keeping all 120 pieces neatly organized and easy to identify during any work session.

Production & Packaging Notice

To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.