Bolt Adapters | McMaster-Carr

	For Arbor Hole Size For Arbor Hole Size

	Shank Diameter Shank Diameter

	For Holding For Holding

Sanding Pads for Internal
and Irregular Surfaces

Sanding Sleeves

Spiral-Wound Sanding Rolls

Toolroom Grinding Wheels

Wheel Brushes

	For Use With For Use With

Angle Grinders

Bench Grinders

Buffers

Dremel Grinders for Bits and
Burs

Grinders for Bits and Burs

Grinders for Wheels and
Cones

Hand-Held Disc Sanders

Hand-Held Power Drills

Motors

Pedestal Grinders

Stationary Disc Sanders

Surface Grinders

	For Disc Diameter For Disc Diameter

	Overall Length Overall Length

	For Maximum Wheel Thickness For Maximum Wheel Thickness

	Maximum Speed Maximum Speed

30,000 rpm or greater

	DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense Acquisition Regulations Supplement)

DFARS Specialty Metals
COTS-Exempt

	Material Material

	Drum Diameter Drum Diameter

	Reduced Arbor Hole Size Reduced Arbor Hole Size

	RoHS (Restriction of Hazardous Substances) RoHS (Restriction of Hazardous Substances)

RoHS Compliant

	REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) REACH (Registration, Evaluation, Authorization and Restriction of Chemicals)

REACH Compliant

	Locking Mechanism Locking Mechanism

Slotted-Head Screw

Threaded Mounting Shaft and
Nut

Pull-Twist-Release

	For Disc Mount Type For Disc Mount Type

Arbor

Quick-Change Fastener

Adhesive Back

Hook and Loop

	Drum Length Drum Length

	For Arbor Hole For Arbor Hole

Unthreaded

Threaded

	For Shaft Type For Shaft Type


Straight	Tapered

Threaded

	For Shaft Diameter For Shaft Diameter

	Head Diameter Head Diameter

	Backup Pad Mount Type Backup Pad Mount Type

	For Wheel Thickness For Wheel Thickness

308 Products

Arbors for Abrasive Wheels, Brushes, and Bits

Wheel Arbors

Attach cutoff wheels, grinding wheels, and other abrasive wheels to hand-held drills and die grinders.

Dremel Wheel Arbors

Attach cutoff wheels to a Dremel grinder.

Arbor Hole Reducers for Wheel Brushes

Reduce the arbor hole size on a wheel brush so that it fits the shaft on your tool.

Arbors for Nonsparking Wheel Brushes

Made of nonsparking aluminum-bronze.

Arbors for Wheel Brushes

Mount wheel brushes that have an arbor hole to hand-held drills and die grinders.

Arbors for Threaded-Stud Flap Sanding Wheels

Use flap wheels with a threaded stud in tools that accept a shank.

Arbor Hole Reducers for
Arbor-Mount Flap Sanding Wheels

Reduce the arbor hole size on a flap sanding wheel so that it fits the shaft on your tool.

Adapters for Threaded-Stud Flap Sanding Wheels

Adapt flap wheels with a threaded stud for use on tools that have a threaded spindle.

Arbors for Arbor-Mount Flap Sanding Wheels

Attach flap wheels with an arbor hole to tools that accept a shank.

Spiral-Wound Sanding Roll Arbors

The arbor’s shank attaches to hand-held drills and die grinders. Threads on the body hold the sanding roll in place.

Tight-Grip Spiral-Wound Sanding Roll Arbors

The extra-coarse threads on these arbors provide a stronger hold on the sanding roll.

Arbors for Sanding Pads for
Internal and Irregular Surfaces

Also known as cross- and square-sanding pad shank adapters, these arbors are required to attach sanding pads for internal and irregular surfaces to hand-held drills and die grinders.

Threaded Shaft Arbors for
Abrasive Wheels and Brushes

Install cutoff wheels, grinding wheels, and other abrasive discs to the threaded shaft on bench-top motors, grinders, and buffers.

Straight Shaft Arbors for Abrasive Wheels and Brushes

Mount cutoff wheels, grinding wheels, and other abrasive discs to the straight shaft on bench-top motors, grinders, and buffers.

Tapered Shaft Arbors for Abrasive Wheels and Brushes

Use these arbors to mount buffing wheels, grinding wheels and other abrasive discs to the tapered shaft on bench-top motors, grinders, and buffers.

Adapters for Toolroom Grinding Wheels

Use these adapters to mount toolroom grinding wheels to most surface grinders.

Backup Pads for Sanding Discs

Backup Pads with Shank for
Quick-Change Sanding Discs

Secure the shank into the collet or chuck of your tool. Attach the quick-change fastener on the sanding disc to the corresponding fastener on the backup pad.