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Magnetized through the thickness: the poles are on the top and bottom faces.NS
Magnetization directionMagnetized through the thickness: the poles are on the top and bottom faces.Arrows show the direction of magnetization inside the magnet, pointing toward north.

N35 neodymium block magnet measuring 20mm x 10mm x 3mm. Axially magnetized through the 3mm thickness with Ni-Cu-Ni coating, 5,619.89 gauss surface field, 10.19 lb pull force, and an 80°C maximum operating temperature.

⬇ Download CAD STEP / STL / DXF / PDF drawingnominal geometry, pre-filled with this part’s dimensions

N35 Neodymium Block Magnet 20 x 10 x 3 mm – SKU 9494

Description
Additional information
Coatings
Magnetization
BH Curves

SKU 9494 is an N35 neodymium block magnet measuring 20 × 10 × 3 mm. Magnetized through the 3 mm thickness, this metric block is suited to engineers, OEMs, and procurement teams working on sensing, holding, positioning, magnetic catches, fixtures, prototypes, and embedded production assemblies.

Specifications

Magnet Size 20 × 10 × 3 mm
Tolerance ±0.004 in
Material NdFeB
Grade N35
Coating Ni-Cu-Ni
Magnetization Through the 3 mm thickness
Listed Remanence (Br) 12,100 gauss
Listed Surface Field 5,619.89 gauss
Listed Maximum Energy Product 35 MGOe
Listed Pull Force 10.19 lb
Approximate Weight 0.159 oz
Listed Maximum Temperature 80°C / 176°F

Design and application notes

Through-thickness magnetization places the north and south poles on the broad 20 × 10 mm faces. The 3 mm thickness gives this part more magnetic section than very thin metric blocks while keeping the overall profile compact.

The listed pull force and surface field are reference values under controlled conditions. Air gap, target steel, contact area, surface finish, temperature, and load direction all affect actual performance. Use the Magnet Pull Force Calculator for preliminary screening and the Neodymium Magnet Grades Chart when comparing grades.

Procurement and custom metric blocks

Browse stocked block and bar magnets for related sizes, or use the Magnet RFQ Builder for custom length, width, thickness, coating, tolerance, magnetization, or production quantities.

20 x 10 x 3 mm N35 neodymium block magnet dimensional drawing — SKU 9494

Weight 0.00992 lbs
Dimensions 0.7874 × 0.3937 × 0.1181 in
Length

20mm

Shape

Block / Bar

Strength / Grade

N35

Width

10mm

Thickness

3mm

Pull Force

6-10lbs

Coatings

Surface Coating Thickness(microns) Color Resistance
Passivation 1 Silver Grey Temporary Protection
Nickel Ni Ni
Ni Cu Ni
10-20 Bright Silver Excellent Against Humidity
Zinc Zn
Cu Zn
8-20 Bright Blue
Shinny Color
Good Against Salt Spray
Excellent against Salt Spray
Tin Ni Cu Sn 15-20 Silver Superior Against Humidity
Gold Ni Cu Au 10-20 Gold Superior Against Humidity
Copper Ni Cu 10-20 Gold Temporary Protection
Epoxy Epoxy
Ni Cu Epoxy
Zn Epoxy
15-25 Black, Red,
Grey
Excellent Against Humidity
& Salt Spray
Chemical Ni 10-20 Silver grey Excellent Against Humidity
Magnetized through the thickness: the poles are on the top and bottom faces.NS
Magnetization directionMagnetized through the thickness: the poles are on the top and bottom faces.Arrows show the direction of magnetization inside the magnet, pointing toward north.

BH Curves

388 in stock (can be backordered)

Quantity Price Per Magnet
1 - 9 $0.80
10 - 49 $0.75
50 - 99 $0.72
100 - 999 $0.68
1000 - 4999 $0.56
5000 - 9999 $0.48
10000 + $0.40
EAN / UPC: 0190000198668GTIN: 0190000198668 SKU 9494 Categories , , Tags , ,
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