Hollow Magnets | McMaster-Carr

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Mount Type

Unthreaded Hole

Shape

System of Measurement

OD

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"

Hole Diameter

Maximum Pull

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.)

Direction of Magnetization

Through Diameter

Through Thickness

Screw Size

Mounting Hole Style

Length

Width

Material

Ferrite Ceramic

Number of Mounting Holes

Thread Size

Maximum Temperature

Less than 175° F

175° F to 199° F

200° F to 249° F

250° F to 499° F

500° F or greater

Sets of Poles

Magnet Grade

Color

Countersink Location

Finish

RoHS

Compliant with Exemptions

Export Control Classification Number (ECCN)

REACH

DFARS Specialty Metals

How can we improve?

366 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

Document Clips

Hold loose papers together without creating a permanent mark

Fabricating and Machining

Magnetizer/Demagnetizers

Magnetizer/Demagnetizers

Pass tools through the opening to magnetize or demagnetize

Demagnetizers

Remove magnetic fields from parts and tools

Fluid Handling

Magnetic Filter Rods

Magnetic Filter Rods

Replace individual rods in an existing filter or create a new one

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.)