Bore Reducers | McMaster-Carr

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System of Measurement

Shaft Diameter

Bore Diameter

OD

Length

Material

Stainless Steel

Shaft Mount Type

Width

RoHS

REACH

Overall Width

DFARS Specialty Metals

U.S.–Mexico–Canada Agreement (USMCA) Qualifying

Export Control Classification Number (ECCN)

Flange OD

Maximum Rotation Speed

Maximum Torque

Less than 1,000 in·lbf

1,000 in·lbf to 1,999 in·lbf

2,000 in·lbf to 3,999 in·lbf

4,000 in·lbf or greater

Rotation Speed

Thread Size

Thickness

Bushing Type

Flange Thickness

For Use With

Bench Grinder Wheels

Grinders for Bits and Burs

Handheld Power Drills

Pedestal Grinder Wheels

Arbor Hole Diameter

Reduced Arbor Hole Diameter

How can we improve?

200 Products

Bore Reducers

Bore Reducers

Adapt the bore of a component to a smaller size for mounting on a shaft

Other Products

Pulley and Sprocket Bushings

Pulley and Sprocket Bushings

Mount between a rotating shaft and equipment to secure the shaft and reduce vibration

Bearing Adapter Sleeves

Bearing Adapter Sleeves

Close gaps between your bearing and shaft for a tight fit

Grinding Wheel Reducer Bushings

Grinding Wheel Reducer Bushings

Connect grinding wheels to shanks with a smaller diameter

Saw Blade Bushings

Saw Blade Bushings

Shrink the diameter of your saw blade's arbor hole to fit your saw's arbor

Flap Wheel Arbor Hole Reducers

Flap Wheel Arbor Hole Reducers

Reduce the arbor hole size on flap wheels so they'll fit the shaft of your tool

Wheel Brush Arbor Hole Reducers

Wheel Brush Arbor Hole Reducers

Adjust arbor hole size so it'll fit the shaft of your tool

Saw Blade Arbor Adapters

Saw Blade Arbor Adapters

Convert a diamond arbor hole to a round arbor hole

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