Do they stand up to heat?

I use Neos on oil filters without a problem. Any fine ferrous material in the oil stops there. I use 1" dia x 1/2 thick 45lb pull Neos. (Strong enough to put on a closed steel tool box and pull tools to the top from the top tray inside the tool box.) No noticeable degradation in strength over 30,000 miles (car) 25,000 miles (water cooled motorcycle). As for actual temp, I would suspect much higher temp than what I run them at (180F or so), they would begin to lose their magic.

What is the actual size?...Anybody counter sink these with forstner bit?...If so, what size bit?..Thanks!

I used a 1.25" forstner bit and it was a fraction too small. Had to carve them out a bit too get the magnets to fit. These claim they're 1.26" in diameter and i believe that's accurate.

Will they work with a 1inch piece of wood between them

magnetic force dies off at the rate of about 1/r with r raised to the 4th power so the greater the 'r', the distance to the item attracted, then the attraction is reduced by a huge amount... Hold two magnets an inch apart and feel how week the force is between them, either attractive or repulsive, then try bringing them within an 8th of an inch of each other and see how the force increases!

Is there a trick for separating them? I struggle to pull them apart.

I found sliding them off one at a time works best. Once you slide one off the top a couple of centimeters, you can separate them by pushing a thin piece of plastic between them - like a guitar pick or a tiddlywink.

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DIYMAG 6 Pack Strong Magnets with Double Sided Adhesive Backing, 1.26"x0.12" Round Permanent Powerful Neodymium Disc Rare Earth Magnet for Fridge Classroom DIY Building Scientific Craft and Office

DIYMAG 6 Pack Strong Magnets with Double Sided Adhesive Backing, 1.26"x0.12" Round Permanent Powerful Neodymium Disc Rare Earth Magnet for Fridge Classroom DIY Building Scientific Craft and Office

Product ID: 40701922

Details

Brand
DIYMAG
Color
Silver
Material
Neodymium
Product Dimensions
1.26"L x x
Shape
Round

📏1.26" diameter x 0.12" thick

🧲18 lbs pull force

🛡️rust & scratch resistant coating

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542166₫

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Sold byAmazon VietnamDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Details

Brand
DIYMAG
Color
Silver
Material
Neodymium

Description

🧲 Stick with the strongest—DIYMAG magnets that hold your world together!

DURABILITY THAT LASTS - Premium rust-resistant coating ensures magnets stay pristine and powerful over time.
EFFORTLESS APPLICATION - Double-sided adhesive backing for instant, secure mounting—stick and go!
PERFECTLY PORTABLE SIZE - Compact 1.26" round discs fit seamlessly into any DIY, office, or classroom setup.
UNMATCHED MAGNETIC POWER - 18 lbs of pull force to hold your projects firmly in place—no slips, no drops.
VERSATILE EVERYDAY ESSENTIAL - From fridge art to scientific experiments, these magnets elevate your creative and professional space.

DIYMAG 6 Pack Strong Neodymium Disc Magnets deliver a powerful 18-pound pull force in a compact 1.26" diameter, 0.12" thick design. Coated for rust and scratch resistance, these durable magnets come with double-sided adhesive backing, making them perfect for versatile uses from office organization to creative DIY projects and classroom experiments.

Specifications

ASIN	B06XD2X45M
Best Sellers Rank	#950 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #13 in Rare Earth Magnets
Brand	DIYMAG
Brand Name	DIYMAG
Color	Silver
Customer Reviews	4.4 out of 5 stars 20,989 Reviews
Included Components	Strong Magnets
Item Dimensions L x W x Thickness	1.26"L x 1.26"W x 0.2"Th
Item Thickness	3 Millimeters
Manufacturer	HL
Material	Neodymium
Material Type	Neodymium
Model Number	HLMAG03
Number of Pieces	6
Part Number	HLMAG03
Product Dimensions	1.26"L x 1.26"W x 0.2"Th
Pull Force	18 Pounds
Shape	Round
UPC	850077560057
Unit Count	6.0 Count

Reviews

S**R

18.04.2026

V**A

10.04.2026

A**R

26.04.2026

J**S

3.04.2026

A**R

10.03.2026

B**B

8.03.2026

F**5

1.04.2026

F**R

3.12.2023

M**.

5.11.2019

C**N

30.12.2019

D**E

19.12.2019

J**N

27.03.2026

F**E

26.03.2024

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