Reviewed by MICK
I recommend this product
BRIAN TAYLOR MOSQUITO
VERY GOOD USED THEM ON SIDE OF MILLING MACHINE TO HOLD AIRLINE IN PLACE
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Neodymium Block Magnet - 20mm x 12mm x 5mm | with 4.5mm hole
Product code: 22021D
$9.03for 1 to 9 items
$7.36buy 10 to 99 itemsand
save 18%
$6.44buy 100+ itemsand
save 28%
Total
$9.03
Prices are GST Incl.
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Neodymium Block Magnet - 20mm x 12mm x 5mm | with 4.5mm hole
Rated 5.0 out of 5
Product Code
22021D
Pull Force*
5 kg
Weight
9 gm
Style
Neodymium Block magnet
Gauss
3335
Grade
N38
Coating
Nickel (NiCuNi)
Direction of Magnetisation
Axially magnetised
Dimensions
Width:12mm, Height:5mm, Length:20mm
*Measured against up to 10mm mild steel.
Magnetic Product Description:
This rare earth magnet has a length of 20mm, a width of 12mm and a thickness of 5mm. It has a magnetic flux reading of 3335 gauss and an approx: pull force of 5kg. It is identified by the AMF magnet part number 22021D. Like the epoxy coated magnet of similar size this magnet has a 4.5mm hole centred thru the magnet.
Uses for our rare earth block magnets:
This Neodymium block magnet has a 4.5mm diameter straight-sided hole through its centre making it an incredibly versatile and handy magnet. Able to be attached using a bolt, screw or threaded onto a bracket, this magnet is popular with maintenance workers, builders, steel fabricators, and hobbyists. The straight-sided hole also allows for less conventional uses where the magnets are stitched into textiles such as furniture makers, interior designers and even fashion designers.
No FAQ available
NB: Ranges are indicative for product category, please check individual products for specic values within that range.
The most common coating for Neodymium magnets is Nickel + Copper + Nickel (Ni + Cu + Ni). This coating offers the magnet relatively good protection from corrosion and passive applications. If the magnet will be exposed to moisture or liquid then consider the use of an organic coating such as Epoxy. A hard wearing coating, Epoxy is suited to applications where the magnet will come under some friction or knocking.
Magnets are readily available in Blocks, Discs, Cylinders & Rings. AMF Magnetics specializes in the supply of short-run prototype magnets including Arc Segments, various magnetic orientations etc. If you need a magnet size that we don't carry in stock, submit a Design-a-Magnet enquiry for a quote on your custom magnet design.
Neodymium magnets are offered in several different grades. The first section N30-54 has an operating temperature of up to 80 degrees. Most of our stock only goes up to N38. The second section, denoted with the "M" prefix after the grade has an operating temperature 100 degrees. After this the grades are "H", "SH", "UH" & "EH". In order for the magnet to withstand a higher operating temperature, during production more of the raw material PrNd is incorporated as these elements have a naturally occurring resistance to high temperatures.
