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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Pack of 12 M6 x 15mm Black Nylon Spacers and Standoff Washers for M3, M4, M5, M6, M8 Screws, Lengths 3mm to 30mm

Pack of 12 M6 x 15mm Black Nylon Spacers and Standoff Washers for M3, M4, M5, M6, M8 Screws, Lengths 3mm to 30mm

Product ID: 234451617

Details

Exterior finish
Black
Fastener size
M6 / 6 mm
Material
Nylon
Outside diameter
12 Millimetres
Washer type
Standoff

📏Fits M3 to M8 screws, 3-30mm lengths

⚙️12-pack versatile spacers

🛡️Non-conductive & corrosion-resistant

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€ 12.63

Duties & taxes included

In stock

Sold byAmazon CroatiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🛠️ Elevate your DIY game with spacers that stand out!

LIGHTWEIGHT YET DURABLE - Crafted from high-quality nylon to resist rust, bending, and twisting.
READY FOR ANY DIY CHALLENGE - Convenient 12-piece pack covers a wide range of applications from furniture to electronics.
ELECTRICAL THERMAL INSULATION - Non-conductive material protects sensitive electronics and prevents electrolysis.
PRECISION FIT FOR EVERY PROJECT - Compatible with M3, M4, M5, M6, and M8 screws for ultimate flexibility.
VIBRATION DAMPENING NOISE REDUCTION - Ideal for machinery and moving parts to ensure smooth, quiet operation.

This pack of 12 black nylon spacers and standoff washers offers versatile compatibility with M3 to M8 screws and lengths from 3mm to 30mm. Made from durable, lightweight nylon, they provide excellent electrical insulation, corrosion resistance, and vibration dampening—perfect for electronics, machinery, and furniture assembly. Trusted by DIY enthusiasts for reliable, rust-free performance.

Specifications

ASIN	B07QV27SJ7
Best Sellers Rank	3,394 in DIY & Tools ( See Top 100 in DIY & Tools ) 4 in Spacers
Brand Name	Universal Hardware
Colour	Black
Compatible Groove Diameter	6 Millimeters
Country Of Origin	Netherlands
Customer Reviews	4.5 out of 5 stars 554 Reviews
Exterior Finish	Black
Exterior finish	Black
Fastener Size	M6 / 6 mm
Fastener Type	Flat Washer
Fastener size	M6 / 6 mm
Item Diameter	3.2 Millimetres
Item Thickness	5.7 Millimetres
Item thickness	5.7 Millimetres
Manufacturer	Fasteners Store
Manufacturer Part Number	Black Nylon Spacers
Material	Nylon
Material Type	Nylon
Number Of Items	12
Number of Pieces	12
Outside Diameter	12 Millimetres
Outside diameter	12 Millimetres
Screw Head Style	Round
Size	15mm
Thread Size	M3, M4, M5, M6, M8, M10
Unit Count	12.0 count
Washer Type	Standoff Washer
Washer type	Standoff Washer

Reviews

S**R

Quality product

Great quality product, item as described and ideal for the job

11.05.2026

D**D

Spacer kit

Good quality

10.01.2026

N**N

Spacers that work

Did the job well and helped me straighten up my wonky gazebo

14.09.2021

N**Y

Strong, versatile.

These can be used for a multitude of things, but I used them to extent some stair rods. They are strong, with the correct diameter with a good finish.

11.05.2026

J**H

Spacers

Perfect for mounting trellis from brickwork

23.04.2026

P**H

Useful spacers

Worked well for the task needed

3.08.2024

M**N

Perfect sparcers

Excellent spacers - perfect for correct alignment of hinges / gates - would strongly recommend

9.04.2026

P**H

Peter

Did the job

7.04.2026

A**R

entretoise

sa reste des entretoises

17.07.2020

P**E

Produit conforme

Produit conforme reçu dans les délais

10.03.2020

J**L

Belle finition, mais chères

Premier achat pour ces entretoises. Une belle finition, bien supérieure à celle apparaissant sur les images du produit. Le nylon semble de bonne facture. Utilisé pour des fixations sans effort mécanique. À tester dans d'autres conditions pour confirmer sa solidité. Le gros moins, 1,20 € l'unité ! Le prix du kilo de plastique va dépasser celui du caviar…

10.01.2025

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TrustScore 4.5 | 7,300+ reviews

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The product quality is outstanding. Exactly what I needed for my work.

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