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 Strong Magnets, 15 Pack with Double Sided Adhesive Backing Powerful | 1.26"x0.12" Round Permanent Neodymium Disc Rare Earth Magnet for Fridge Classroom DIY Building Scientific Craft and Office

DIYMAG Strong Magnets, 15 Pack with Double Sided Adhesive Backing Powerful | 1.26"x0.12" Round Permanent Neodymium Disc Rare Earth Magnet for Fridge Classroom DIY Building Scientific Craft and Office

Product ID: 124827318

Details

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

📏1.26" diameter x 0.12" thick

🧲18 lbs pull force

🛡️rust & scratch resistant coating

6358 kr

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Sold byAmazon IcelandDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🧲 Stick with the best—powerful magnets for unstoppable creativity!

MULTI USE MAGIC - From fridge art to classroom science, these magnets elevate every space and project.
DURABILITY THAT LASTS - Smooth, rust-resistant coating keeps magnets pristine and reliable over time.
UNMATCHED MAGNETIC POWER - Hold up to 18 lbs with rare earth strength—no slip, no drop.
DOUBLE SIDED ADHESIVE BACKING - Stick and secure instantly—no extra tools needed for your creative flow.
PERFECTLY SIZED FOR VERSATILITY - Compact 1.26" discs fit seamlessly into any DIY or office project.

DIYMAG Strong Magnets come in a 15-pack of 1.26" diameter neodymium discs, each boasting an 18-pound pull force and a durable rust-resistant coating. Designed for versatile use in crafts, office, classroom, and home, these double-sided adhesive magnets combine premium strength with sleek, compact design to keep your projects secure and stylish.

Specifications

ASIN	B07R1Z2WJT
Best Sellers Rank	#640 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #8 in Rare Earth Magnets
Brand Name	DIYMAG
Color	Silver
Customer Reviews	4.4 4.4 out of 5 stars (21,066)
Included Components	16p magnets
Item Dimensions L x W x Thickness	1.26"L x 1.26"W x 0.13"Th
Item Thickness	0.13 inches
Manufacturer	DIYMAG
Manufacturer Contact Information	hai dian, bei jing 100000,CN
Material Type	Alloy Steel
Model Number	32x3-15P
Number of Pieces	16
Part Number	32x3-15P
Pull Force	18 pounds
Shape	Round
UPC	850077560415
Unit Count	16 Count

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