20x4x2 Block Magnet (Bar Magnet), Neodymium block magnet

20 mm long, 4 mm wide and 2 mm high, the 20x4x2 block magnet (Neodymium block magnet) is nickel-plated and magnetised through the height. Here as simplified STEP files.

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

• Also searched as: 20x4x2 block magnet
• Model id: magnets-block-20x4x2
• Standard: Neodymium block magnet · size 20x4x2

Files

Part key	Simplified
magnets-block-20x4x2	STEP

Dimensions

Symbol	Name	min	nom	max	Modeled	Rule	Level
L	Length		20		20	nominal	L1
W	Width		4		4	nominal	L1
H	Height		2		2	nominal	L1

Drawing

As a PDF: CC-MAGBLOCK-SZ-20x4x2.pdf.

What each maker states

• supermagnete lists this size in N45.
• first4magnets lists this size in N42.
• The shape is the same in any grade.

The 20x4x2 block magnet beside the 15x4x4 and the 20x10x2

The 20x4x2 is number 12 of the 21 Neodymium block magnet block magnets published here, listed from 5x1.5x1 to 46x30x10.

• Length (L): 20 mm on the 20x4x2 block magnet, against 15 mm on the 15x4x4 and 20 mm on the 20x10x2.
• Width (W): 4 mm on the 20x4x2 block magnet, against 4 mm on the 15x4x4 and 10 mm on the 20x10x2.
• Height (H): 2 mm on the 20x4x2 block magnet, against 4 mm on the 15x4x4 and 2 mm on the 20x10x2.

Other sizes

• One size smaller: 15x4x4 Block Magnet (Bar Magnet), Neodymium block magnet, 15 mm long, 4 mm wide, 4 mm high, nickel-plated, axially magnetised.
• One size larger: 20x10x2 Block Magnet (Bar Magnet), Neodymium block magnet, 20 mm long, 10 mm wide, 2 mm high, nickel-plated, axially magnetised.

Documents

• CC-MAGBLOCK-DS-20x4x2.pdf: 20x4x2 datasheet: values with levels, sources
• CC-MAGBLOCK-SZ-20x4x2.pdf: 20x4x2 drawing: this size's values on the views
• parts.json: the part record of this size (the platform contract)

Sources

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

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