8x4 Disc Magnet (Round Magnet), Neodymium disc magnet

The 8x4 disc magnet (Neodymium disc magnet) is 8 mm across and 4 mm high, nickel-plated and magnetised through the height. It comes as simplified STEP files.

How these parts are made, and what the levels mean: read the method

• Also searched as: 8x4 disc magnet
• Model id: magnets-disc-8x4
• Standard: Neodymium disc magnet · size 8x4

Files

Part key	Simplified
magnets-disc-8x4	STEP

Dimensions

Symbol	Name	min	nom	max	Modeled	Rule	Level
D	Diameter		8		8	nominal	L1
H	Height		4		4	nominal	L1

Drawing

As a PDF: CC-MAGDISC-SZ-8x4.pdf.

What each maker states

• supermagnete lists this size in N45.
• first4magnets lists this size in N35.
• The shape is the same in any grade.

The 8x4 disc magnet beside the 8x2 and the 8x5

The 8x4 is number 23 of the 51 Neodymium disc magnet disc magnets published here, listed from 2x1 to 30x10.

• Diameter (D): 8 mm on the 8x4 disc magnet, the same on the 8x2 and the 8x5.
• Height (H): 4 mm on the 8x4 disc magnet, against 2 mm on the 8x2 and 5 mm on the 8x5.

Other sizes

• One size smaller: 8x2 Disc Magnet (Round Magnet), Neodymium disc magnet, 8 mm across, 2 mm high, nickel-plated, axially magnetised.
• One size larger: 8x5 Disc Magnet (Round Magnet), Neodymium disc magnet, 8 mm across, 5 mm high, nickel-plated, axially magnetised.

Documents

• CC-MAGDISC-DS-8x4.pdf: 8x4 datasheet: values with levels, sources
• CC-MAGDISC-SZ-8x4.pdf: 8x4 drawing: this size's values on the views
• parts.json: the part record of this size (the platform contract)

Sources

first4magnets-disc, supermagnete-magnets-disc. Full citations: the method page and this size's datasheet.

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