How do I select the length of the spacer???

Size name is the length of the spacers.

If I would buy the m8, 20mm,eould it be possible to swap out 2 for the 10mm?

Unfortunately not. those are prepacked items.

Hi I need 2 x spacers to convert a 20mm hole to internal diameter 8mm on a wheel, what should I order pls

You will need a spacers with OD 20mm, our M8 Spacers have 15.5mm. You can get M10 with OD 20mm but the hole is 10.5mm.

Are these made of solid plastic? I want to use them as part of a foot arrangement. Thanks

They have a hole to allow a screw through them length wise but they are pretty solid - you can't bend or squash them easily.

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M6 x 5mm Black Nylon Spacers Standoff Washers, Pack of 12 – Cylindrical Insulating Plastic Bushing for PCB, Electronics, Motherboard, Robotics & DIY

M6 x 5mm Black Nylon Spacers Standoff Washers, Pack of 12 – Cylindrical Insulating Plastic Bushing for PCB, Electronics, Motherboard, Robotics & DIY

Product ID: 124776749

Details

Exterior finish
Black
Fastener size
M6
Material
Nylon
Outside diameter
10 Millimetres
Washer type
Standoff

🔩Pack of 12 durable spacers

⚙️M6 x 5mm precision fit

🛡️Non-conductive & corrosion-proof

R232

Duties & taxes included

In stock

Sold byAmazon South AfricaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🖤 Elevate your electronics with precision and protection!

PERFECT 5 MM GAP CONTROL - Ensures exact spacing for PCBs, motherboards, and robotics with consistent reliability.
VERSATILE DIY ESSENTIAL - Ideal for electronics, robotics, 3D printers, and any project demanding safe insulation.
PRECISION M 6 COMPATIBILITY - Seamlessly fits all standard M6 bolts and screws for flawless assembly.
DURABLE LIGHTWEIGHT DESIGN - Rustproof, UV-stable, and built to last in both indoor and outdoor projects.
ELECTRICAL INSULATION GUARANTEED - Crafted from black nylon to prevent shorts and protect sensitive electronics.

This pack of 12 black nylon M6 x 5mm spacers offers a lightweight, non-conductive solution for precise PCB and electronics mounting. Featuring a 6.4mm inner bore compatible with all standard M6 bolts, these corrosion-resistant, UV-stable spacers ensure safe electrical insulation and consistent 5mm spacing, making them indispensable for professional-grade DIY, robotics, and electronic assemblies.

Specifications

ASIN	B07QWXSQC3
Best Sellers Rank	3,106 in DIY & Tools ( See Top 100 in DIY & Tools ) 6 in Spacers
Brand Name	Universal Hardware
Colour	Black
Compatible Groove Diameter	6.3 Millimeters
Country Of Origin	Netherlands
Customer Reviews	4.4 4.4 out of 5 stars (156)
Exterior Finish	Black
Fastener Size	M6
Fastener Type	Flat Washer
Item Diameter	10 Millimetres
Item Thickness	5 Millimetres
Manufacturer	Fasteners Store
Manufacturer Part Number	Black Nylon Spacers
Material Type	Nylon
Number Of Items	12
Number of Pieces	12
Outside Diameter	10 Millimetres
Screw Head Style	Round
Set Name	M6 x 5mm Black Nylon Spacers Standoff Washers, Pack of 12
Size	5mm
Thread Size	M6
Unit Count	12.0 count
Washer Application	electronics
Washer Compatibility	M6 bolts, machine screws
Washer Type	Standoff

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