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Axially magnetized: the north and south poles are on the two flat faces.NS
Magnetization directionAxially magnetized: the north and south poles are on the two flat faces.Arrows show the direction of magnetization inside the magnet, pointing toward north.

N35 neodymium disk magnet, 1/2 inch diameter × 1/4 inch thick, axially magnetized and Ni-Cu-Ni plated. Listed at 4,119.23 gauss and 9.41 lb pull force. SKU 8176.

Digi-Key Part Number: 469-1050-ND
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⬇ Download CAD STEP / STL / DXF / PDF drawingnominal geometry, pre-filled with this part’s dimensions

N35 Neodymium Disk Magnet 1/2 × 1/4 in – SKU 8176

Description
Additional information
Technical Specs (PDF)
Magnetization
Downloads
Coatings
BH Curves

SKU 8176 is an N35 neodymium disk magnet measuring 1/2 inch in diameter × 1/4 inch thick. It is axially magnetized, placing the north and south poles on the two flat circular faces. Its compact proportions suit closures, fixtures, sensors, displays, prototypes, and production assemblies.

Specifications

Magnet Size: 1/2" diameter × 1/4" thick
Tolerances: ±0.004"
Material: Rare Earth NdFeB
Grade: N35
Coating: Ni-Cu-Ni
Br (typical): 12,100 Gauss
BHmax (typical): 35 MGOe
Max Temperature: 80°C / 176°F
Magnetization: Axial
Surface Gauss: 4,119.23 Gauss
Pull Force: 9.41 lb
Approx. Weight: 0.2128 oz

Design notes for disk magnets

Confirm pole orientation, operating air gap, target-steel thickness, adhesive selection, and dimensional stack-up in the final assembly. Sintered neodymium magnets are hard and brittle, so avoid impact, snap-together collisions, uneven clamping, and excessive mechanical stress.

The listed 9.41 lb pull force is a comparison value under defined contact conditions, not a guaranteed safe working load. Air gaps, surface roughness, coating, thin target steel, and shear loading can reduce usable force.

Use the magnet pull force calculator for preliminary magnet-to-steel screening and compare material options in the neodymium magnet grades chart. Browse our magnet catalog or submit the magnet RFQ builder for volume pricing or a custom requirement.

Weight 0.013300 lbs
Dimensions 0.5 × 0.5 × 0.25 in
Magnetization Direction

Axial

Pull Force

6-10lbs

Shape

Disk / Disc

Axially magnetized: the north and south poles are on the two flat faces.NS
Magnetization directionAxially magnetized: the north and south poles are on the two flat faces.Arrows show the direction of magnetization inside the magnet, pointing toward north.

Downloads

8176 – Drawing PDF Format

8176 – Certificate of Compliance

8176 – Neodymium Properties Chart

8176 – Magnet Manufacturing Process

8176 – REACH Report

8176 – ROHS Report

If you can’t find what you want, just send us an inquiry and we will be happy to make it for you!

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

BH Curves

15840 in stock (can be backordered)

Quantity Price Per Magnet
1 - 9 $1.84
10 - 49 $1.73
50 - 99 $1.66
100 - 999 $1.56
1000 - 4999 $1.29
5000 - 9999 $1.10
10000 + $0.92
EAN / UPC: 794969913081GTIN: 794969913081 SKU 8176 Categories , , , Tags , , ,
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