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300Pcs M2 Brass Hex Standoff Kit with Storage Box | Female-Female & Male-Female Spacer Screws Nuts Assortment for PCB, Raspberry Pi, Motherboard, Electronic DIY Projects
Mayitr

Mayitr 300Pcs M2 Brass Hex Standoff Kit with Storage Box

Bottom line: The Mayitr 300Pcs M2 Brass Hex Standoff Kit with Storage Box ($14.99 on Amazon as of 2026-10-25 22:19 UTC): Eight standoff sizes: F-F 4/6/8/10mm plus M-F 4/6/8/10mm with a 3mm stud; main trade-off: M2 only; most Raspberry Pi boards use M2.5 holes, so M2 parts fit loosely.

$14.99 on Amazon, checked (price may vary)

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By , Founder & Editor-in-Chief · Listing data updated

Mike Perry — Hardware researcher since 2014, focused on GPU performance across gaming, rendering, and local-LLM inference. Synthesises community benchmarks, manufacturer specs, and public forum data into actionable buying guides.

*Price sourced from Amazon.com. Last updated 2026-10-25. Price and availability subject to change.

Pros & Cons

Pros

  • ✓ Eight standoff sizes: F-F 4/6/8/10mm plus M-F 4/6/8/10mm with a 3mm stud
  • ✓ 300 pieces in one M2 kit: standoffs, screws and nuts together
  • ✓ Brass standoffs and 304 stainless hardware resist rust and corrosion
  • ✓ Compartmented storage box keeps each length sorted and easy to pick
  • ✓ Male-female spacers stack for custom heights between the fixed sizes

Cons

  • ✗ M2 only; most Raspberry Pi boards use M2.5 holes, so M2 parts fit loosely
  • ✗ Not the 6-32 or M3 size used for standard ATX motherboard case mounts
  • ✗ Per-size piece counts aren't listed, so you may run short of one length
  • ✗ Longest single spacer is 10mm; taller stacks mean chaining standoffs

Manufacturer description

The Mayitr 300Pcs M2 Brass Hex Standoff Kit gives you a full set of small-format spacers, screws and nuts in one sorted box, sized for PCBs, single-board computers and compact electronics builds. The kit covers eight standoff styles. Female-female spacers come in 4mm, 6mm, 8mm and 10mm lengths for joining two boards or panels with screws on both ends. Male-female spacers come in 4+3mm, 6+3mm, 8+3mm and 10+3mm, with a 3mm threaded stud that screws straight into a board, nut or another spacer. You can stack them to reach heights between the fixed sizes. The standoffs are brass and the hardware…

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SpecPicks Verdict

SpecPicks scored Mayitr 300Pcs M2 Brass Hex Standoff Kit with Storage Box using a rating × review-volume × price-fit model applied to published specs and reviews across the single board computers category. Mayitr's single board computers lineup sits within the broader category mid-tier; price and specs are the deciding factors over brand loyalty here. Judge it on the specification table and the price rather than on sentiment: check the figures that decide your use case, then put it side-by-side with two or three close alternatives in the Compare tool before clicking through.

Common buyer scenarios for single board computers of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the retailer's listing before purchase. Prices and stock are set by the retailer and may have moved since this page was last updated.

Frequently Asked Questions

What standoff lengths come in the Mayitr M2 kit?

Female-female standoffs come in 4mm, 6mm, 8mm and 10mm. Male-female standoffs come in 4+3mm, 6+3mm, 8+3mm and 10+3mm, where the 3mm is the threaded male stud. The kit also includes M2 screws and nuts.

Will these M2 standoffs work with a Raspberry Pi?

The listing names the Raspberry Pi as a use, but most Raspberry Pi boards have M2.5 mounting holes. M2 hardware passes through those holes with some play. If you want a snug fit on a Pi, check your board's hole size first, or use a nut on each side to hold it firmly.

What are the standoffs and screws made of?

The kit is made from brass and 304 stainless steel. The manufacturer describes both as rustproof and corrosion resistant for long-term electronics assembly.

Can I use these to mount a motherboard in a PC case?

Standard ATX case motherboard mounts usually use 6-32 or M3 standoffs, not M2. This kit is better suited to small PCBs, SBCs, M.2-style modules, 3D printer boards and DIY electronics. Check the thread size your case or board uses before you buy.

How many of each size are included?

The kit has 300 pieces in total across standoffs, screws and nuts. The product details don't give a count for each size, so check the product listing if you need a set number of one length.

Key Features

  • PREMIUM MATERIAL: Made of high-grade brass & 304 stainless steel; rustproof, corrosion resistant, durable for long-term electronic assembly
  • COMPLETE 300PCS ASSORTMENT: Includes M2 female-female(4/6/8/10mm) & male-female(4+3/6+3/8+3/10+3mm) standoffs, screws, nuts; full sizes for various PCB & motherboard spacing
  • PRECISE THREADING: Clean ISO metric threads, burr-free, easy to tighten & install; stable connection without slipping or damaging components
  • WIDE APPLICATION: Perfect for Raspberry Pi, PC motherboards, PCB circuits, 3D printers, DIY electronics, industrial control boards & device spacing
  • ORGANIZED STORAGE: All parts sorted in a compartment plastic box; easy to carry, store & pick, save time for DIY & repair projects

Full Specifications

BrandMayitr
Colorbrass
MaterialBrass
Set NameMayitr 300Pcs M2 Brass Hex Standoff Kit
Size Name4mm, 6mm, 8mm, 10mm, 7mm, 9mm, 11mm, 13mm
Metal TypeBrass, Stainless Steel
Drive StyleExternal Hex
Part Number43398-16606
Thread SizeM 2
Thread TypeIso Metric
Finish TypesPolished
Thread ClassFine
Thread StyleExternal
CompatibilityPC
Fastener TypeHex
Material TypeBrass
Exterior FinishBrass
Item Dimensions5.91 x 3.54 x 1.89 inches
Number Of Items300
Number of Pieces300
Full listing title300Pcs M2 Brass Hex Standoff Kit with Storage Box | Female-Female & Male-Female Spacer Screws Nuts Assortment for PCB, Raspberry Pi, Motherboard, Electronic DIY Projects

Hardware benchmark data

Ready to buy?

300Pcs M2 Brass Hex Standoff Kit with Storage Box | Female-Female & Male-Female Spacer Screws Nuts Assortment for PCB, Raspberry Pi, Motherboard, Electronic DIY Projects is listed on Amazon. Price, availability, shipping and returns are set by Amazon and its sellers — check the listing for current terms. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

Buy on Amazon — $14.99

*Price sourced from Amazon.com. Last updated 2026-10-25. Price and availability subject to change.

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300Pcs M2 Brass Hex Standoff Kit with Storage Box | Female-Female & Male-Female Spacer Screws Nuts Assortment for PCB, Raspberry Pi, Motherboard, Electronic DIY Projects
$14.99
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