Are these copper, or brass? specs section says material: copper. and the screws are obviously neither.

Hi friend, The standoffs/spacers are made of durable brass,screws and nuts are made of stainless steel. We have updated the material, sorry about the inconvenience. best regards, Geekworm Team

Will these cause ground loops via electrical connection to the hat/bonnet board from the thru-plated holes?

It depends. If the hat or bonnet has pads around the screw/mounting hole, you can always use nylon washers. However, some screw/mounting holes have copper pads which have no connection to ground or anything else. If in doubt use a multimeter. Or nylon washers. ... Cheers

Can these be used as standard pc spacers ?

Hi friend, The spacers are M2.5 series with follow specifications: 4 x M2.5x12+6mm Spacers 32 x M2.5 x 5mm Screws 32 x M2.5 Nuts 16 x M2.5x5 +5mm Spacers 16 x M2.5x11mm Spacers 16 x M2.5x11+6mm Spacers 16 x M2.5x20+6mm Spacers Please check and confirm if your PC use M2.5 or M3 spacers, thanks! best regards, Geekworm Team

Are these the proper dimensions for a Pi 3? I read elsewhere that the Pi 3 is 3mm...

These spacers work for me with a Pi3. The tallest spacers will clear the Pi's USB ports. The next tallest will clear all the components but not the UAT ports. The others I have not used with a Pi3.

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Geekworm Raspberry Pi Installation Tool 124 Pcs/Lot M2.5 Series Hex Brass Spacer/Standoff + Nuts + Screws w/Storage Case Raspberry Pi 3 Model B+(Plus) / 3B / Zero W Accessories Kit

Product ID: 255065455

Details

Exterior finish
Brass
Head style
Hex
Item dimensions L x W x H
7.8 x 6.5 x 2
Material
Brass
Thread size
M2 5

📏M2.5 metric sizing for perfect fit

🔩124 precision brass pieces

🧰Compact storage case included

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Description

🔧 Elevate your Pi build game with precision brass hardware — don’t get left behind!

VERSATILE SPACER LENGTHS - Multiple spacer sizes (5mm to 20+6mm) for custom stacking and secure mounting
DURABLE BRASS CONSTRUCTION - Premium brass material ensures corrosion resistance and long-lasting stability
ORGANIZED ON THE GO STORAGE - Sleek case keeps all components neatly sorted for quick access and portability
PRECISION M 2 5 HEX FASTENERS - Metric-sized screws, nuts, and spacers engineered for exact GPIO pin clearance
COMPLETE RASPBERRY PI ASSEMBLY KIT - 124-piece set tailored for Pi 3B+, 3B, Zero W & Pi 4 compatibility

The Geekworm Raspberry Pi Installation Tool is a 124-piece brass hardware kit designed specifically for Raspberry Pi models 3B+, 3B, Zero W, and 4. Featuring M2.5 metric hex screws, nuts, and spacers in multiple lengths, it ensures perfect alignment and secure mounting of HATs and expansion boards. Packaged in a compact storage case, this kit offers durability, corrosion resistance, and organized convenience for professional-grade Pi projects.

Specifications

ASIN	B0756CW6Y2
ASIN	B0756CW6Y2
Best Sellers Rank	#109,424 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #126 in Hardware Spacers
Brand	Geekworm
Color	Gold
Compatible Groove Diameter	2.75 Millimeters
Customer Reviews	4.7 4.7 out of 5 stars (645)
Customer reviews	4.7 4.7 out of 5 stars (645)
Date First Available	28 August 2017
Drive System	External Hex
Exterior Finish	Brass
Fastener Size	M2.5 x 5mm, M2.5 x 12.6mm
Fastener Type	Hex
Finish Types	Uncoated
Head Type	Hex
Is Discontinued By Manufacturer	No
Item Diameter	2.5 Millimeters
Item Dimensions	7.8 x 6.5 x 2 centimeters
Item Weight	0.14 Kilograms
Item model number	TB-479042
Manufacturer	Geekworm
Manufacturer	Geekworm
Material Type	Brass
Metal Type	Brass
Model	TB-479042
Number Of Items	124
Number of Packs	1
Number of Pieces	124
Outside Diameter	2.5 Millimeters
Part Number	TB-2017-1
Product Dimensions	7.8 x 6.5 x 2 cm; 140 g
Screw Head Style	Hex
Screw Point Style	Flat Point
Set Name	Brass Hex Spacer Kit for Raspberry Pi (124 Pieces)
Set Screw Thread Type	Metric (M)
Size Name	One Size
Thread Class	Standard
Thread Coverage	Fully Threaded
Thread Size	M2 5
Thread Style	Right Hand, M2.5, Fully Threaded
Thread Type	Metric
UPC	642940884946
Unit Count	1 Count

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Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

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€ 26.35

Duties & taxes included

In stock

Sold byAmazon CroatiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Croatia.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

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The product exactly matches the description. Very satisfied with my purchase.

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