Ring Magnets | McMaster-Carr

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System of Measurement

OD

Hole Diameter

Shape

Direction of Magnetization

Through Diameter

Through Thickness

Thickness

0.030" to 0.040"

0.035" to 0.043"

0.036" to 0.065"

0.040" to 0.050"

0.055" to 0.069"

0.060" to 0.080"

0.070" to 0.090"

Magnetic Pull Rating

Super Light Pull (<2 Lbs.)

Light Pull (2-10 Lbs.)

Medium Pull (10-30 Lbs.)

Heavy Pull (30-60 Lbs.)

Super Heavy Pull (>60 Lbs.)

Maximum Pull

Screw Size

Mounting Hole Style

Maximum Temperature

Material

Ferrite Ceramic

Stainless Steel

Magnet Grade

Countersink Location

Countersink Angle

Sets of Poles

Finish

ID

Flux Density

DFARS Specialty Metals

RoHS

Compliant with Exemptions

Export Control Classification Number (ECCN)

REACH

Color

Minimum Temperature

Fabrication

How can we improve?

144 Products

Fastening and Joining

Magnets

Attract or repel metal objects to hang, secure, or position them

Washers

Nearly every size and shape imaginable, from flat washers to clipped to curved

Electrical

Ferrite Cores

Create magnetic hold by wrapping with magnet wire and energizing; use as inductors and transformers

The quick brown fox jumped over the lazy dog. Pedestal (35" Ht. x 4" Wd. x 4" Dp.)