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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Description

🔧 Elevate your Raspberry Pi build with precision and style!

EFFORTLESS ASSEMBLY - Fully threaded M2.5 fasteners ensure secure, stable connections for your Raspberry Pi expansions and hats.
COMPLETE 120 PIECE KIT - Includes a versatile mix of screws, nuts, and spacers in multiple lengths to fit every project need.
ORGANIZED STORAGE CASE - Keep your workspace sleek and efficient with a dedicated case that prevents lost parts and clutter.
TAILORED FOR RASPBERRY PI - Specifically designed for Raspberry Pi 3 Model B+ GPIO pin height and 2.75mm hole diameter for flawless compatibility.
PRECISION ENGINEERED BRASS - Durable hex spacers, screws & nuts built to last with premium brass material.

The Geekworm 120-piece M2.5 brass spacer, screw, and nut kit is engineered for Raspberry Pi 3 Model B+ and compatible models. Featuring fully threaded hex fasteners in multiple spacer lengths, this durable brass set ensures perfect alignment and secure assembly of GPIO expansion boards. Packaged in a handy storage case, it’s the ultimate accessory kit for professional-grade Pi projects.

Specifications

Material	Brass
Head Style	Hex
Item dimensions L x W x H	7.8 x 6.5 x 2 Centimeters
Exterior Finish	Brass
Thread Size	M2 5
Point Style	Flat Point
Metal Type	Brass
Brand	Geekworm
Head Type	Hex
Item Weight	0.14 Kilograms
Thread Type	Metric
Thread Coverage	Fully Threaded
Fastener Type	Hex
Thread Style	fully threaded
Thread Class	2A
Fastener Size	M2.5 x 5mm
Size	M2.5 x 5mm
Compatible groove diameter	2.75 Millimeters
Number of Pieces	120
UPC	642940884946
Manufacturer	Geekworm
Model	TB-479042
Product Dimensions	7.8 x 6.5 x 2 cm; 140 g
Item model number	TB-479042
Batteries Included	No
Batteries Required	No
Does it contain liquid?	No
Has Auto Focus	No
Includes Rechargeable Battery	No
Programmable Buttons	No
Manufacturer	Geekworm
Country of Origin	USA
Item Weight	140 g

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