1" Diameter Flap Wheels | McMaster-Carr

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Diameter

Mount Type

Grit

Shank Diameter

Width

For Use On

Abrasive Material

Form

For Finish

Maximum Rotation Speed

Grit Rating

Material

For Use With

Grinders for Bits and Burs

Rotation Speed

30,000 rpm to 35,999 rpm

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

Yes

Application

Sanding

Export Control Classification Number (ECCN)

EAR99

REACH

Compliant

RoHS

Compliant

DFARS Specialty Metals

Exempt

Abrasive Backing Material

Performance

Thread Size

50 Products

Sanding Flap Wheels with Shank

Secure the shank into the collet or chuck of your tool. The flexible flaps reduce gouging while producing a uniform finish on flat and curved surfaces. As the flaps wear, new abrasive is exposed.

For Rough Finish

Image of Product. Front orientation. Flap Wheels. Sanding Flap Wheels with Shank.

								60 Grit			80 Grit
									Each			Each
Dia.	Wd.	Shank Dia.	Max. Rotation Speed, rpm	Abrasive Material	Abrasive Backing Material	For Use On	For Use With		1-9	10-Up		1-9	10-Up
1"	5/8"	1/4"	30,000	Aluminum Oxide	Cloth	Steel, Wood	Grinders for Bits and Burs	4734A651	00000	00000	4734A659	00000	00000
1"	1"	1/4"	30,000	Aluminum Oxide	Cloth	Steel, Wood	Grinders for Bits and Burs	4734A652	0000	0000	4734A661	0000	0000

For Smooth Finish

								120 Grit			180 Grit
									Each			Each
Dia.	Wd.	Shank Dia.	Max. Rotation Speed, rpm	Abrasive Material	Abrasive Backing Material	For Use On	For Use With		1-9	10-Up		1-9	10-Up
1"	5/8"	1/4"	30,000	Aluminum Oxide	Cloth	Steel, Wood	Grinders for Bits and Burs	4734A668	00000	00000	4734A911	00000	00000
1"	1"	1/4"	30,000	Aluminum Oxide	Cloth	Steel, Wood	Grinders for Bits and Burs	4734A669	0000	0000	4734A677	0000	0000

For Extra-Smooth Finish

								240 Grit			320 Grit
									Each			Each
Dia.	Wd.	Shank Dia.	Max. Rotation Speed, rpm	Abrasive Material	Abrasive Backing Material	For Use On	For Use With		1-9	10-Up		1-9	10-Up
1"	5/8"	1/4"	30,000	Aluminum Oxide	Cloth	Steel, Wood	Grinders for Bits and Burs	4734A711	00000	00000	4734A818	00000	00000
1"	1"	1/4"	30,000	Aluminum Oxide	Cloth	Steel, Wood	Grinders for Bits and Burs	4734A721	0000	0000	4734A819	0000	0000

Long-Life Sanding Flap Wheels with Shank

The premium abrasive stays sharp longer. These wheels have flexible flaps that reduce gouging while producing a uniform finish on flat and curved surfaces. As the flaps wear, new abrasive is exposed. Secure the shank into the collet or chuck of your tool.

For Rough Finish

Image of Product. Front orientation. Flap Wheels. Long-Life Sanding Flap Wheels with Shank.

								60 Grit			80 Grit
									Each			Each
Dia.	Wd.	Shank Dia.	Max. Rotation Speed, rpm	Abrasive Material	Abrasive Backing Material	For Use On	For Use With		1-9	10-Up		1-9	10-Up
1"	5/8"	1/4"	30,000	Zirconia Alumina	Cloth	Steel, Wood	Grinders for Bits and Burs	3393A519	000000	000000	———	0	0
1"	1"	1/4"	30,000	Zirconia Alumina	Cloth	Steel, Wood	Grinders for Bits and Burs	3393A111	00000	00000	3393A112	000000	000000

For Smooth Finish

								120 Grit
									Each
Dia.	Wd.	Shank Dia.	Max. Rotation Speed, rpm	Abrasive Material	Abrasive Backing Material	For Use On	For Use With		1-9	10-Up
1"	5/8"	1/4"	30,000	Zirconia Alumina	Fabric	Steel, Wood	Grinders for Bits and Burs	3393A573	000000	000000
1"	1"	1/4"	30,000	Zirconia Alumina	Cloth	Steel, Wood	Grinders for Bits and Burs	3393A113	00000	00000

Sanding Flap Wheels with Shank for Stainless Steel and Hard Metals

Secure the shank into the collet or chuck of your tool. The flexible flaps reduce gouging while producing a uniform finish on flat and curved surfaces. As the flaps wear, new abrasive is exposed.

For Rough Finish

Image of Product. Front orientation. Flap Wheels. Sanding Flap Wheels with Shank for Stainless Steel and Hard Metals .

								60 Grit			80 Grit
									Each			Each
Dia.	Wd.	Shank Dia.	Max. Rotation Speed, rpm	Abrasive Material	Abrasive Backing Material	For Use On	For Use With		1-9	10-Up		1-9	10-Up
1"	1"	1/4"	30,000	Ceramic Alumina	Cloth	Stainless Steel, Titanium, Steel, Iron, Nickel	Grinders for Bits and Burs	4613A113	000000	00000	4613A112	000000	00000

For Smooth Finish

								120 Grit
									Each
Dia.	Wd.	Shank Dia.	Max. Rotation Speed, rpm	Abrasive Material	Abrasive Backing Material	For Use On	For Use With		1-9	10-Up
1"	1"	1/4"	30,000	Ceramic Alumina	Cloth	Stainless Steel, Titanium, Steel, Iron, Nickel	Grinders for Bits and Burs	4613A111	000000	00000

Sanding Flap Wheels with Shank for Aluminum, Soft Metals, and Nonmetals

A coating prevents dust and debris from building up on the abrasive surface. These wheels have flexible flaps that reduce gouging while producing a uniform finish on flat and curved surfaces. As the flaps wear, new abrasive is exposed. Secure the shank into the collet or chuck of your tool.

For Rough Finish

Image of Product. Front orientation. Flap Wheels. Sanding Flap Wheels with Shank for Aluminum, Soft Metals, and Nonmetals.

								60 Grit			80 Grit
									Each			Each
Dia.	Wd.	Shank Dia.	Max. Rotation Speed, rpm	Abrasive Material	Abrasive Backing Material	For Use On	For Use With		1-9	10-Up		1-9	10-Up
1"	1"	1/4"	30,000	Silicon Carbide	Cloth	Aluminum, Brass, Bronze, Copper, Plastic, Rubber	Grinders for Bits and Burs	3387A111	00000	00000	3387A112	00000	00000

For Smooth Finish

								120 Grit
									Each
Dia.	Wd.	Shank Dia.	Max. Rotation Speed, rpm	Abrasive Material	Abrasive Backing Material	For Use On	For Use With		1-9	10-Up
1"	1"	1/4"	30,000	Silicon Carbide	Cloth	Aluminum, Brass, Bronze, Copper, Plastic, Rubber	Grinders for Bits and Burs	3387A113	00000	00000

Sanding Flap Wheels with Threaded Stud

The threaded stud allows faster wheel changes but requires the use of an adapter (sold separately) in your tool. The flexible flaps reduce gouging while producing a uniform finish on flat and curved surfaces. As the flaps wear, new abrasive is exposed.

For Rough Finish

								60 Grit			80 Grit
									Each			Each
Dia.	Wd.	Thread Size	Max. Rotation Speed, rpm	Abrasive Material	Abrasive Backing Material	For Use On	For Use With		1-9	10-Up		1-9	10-Up
1"	5/8"	1/4"-20	30,000	Aluminum Oxide	Cloth	Steel, Wood	Grinders for Bits and Burs	4734A591	00000	00000	4734A592	00000	00000
1"	1"	1/4"-20	30,000	Aluminum Oxide	Cloth	Stainless Steel, Titanium, Steel, Iron, Nickel, Wood	Grinders for Bits and Burs	———	0	0	4734A21	0000	0000
1"	1"	1/4"-20	30,000	Aluminum Oxide	Cloth	Steel, Wood	Grinders for Bits and Burs	4734A11	0000	0000	———	0	0

Accessories for Flap Wheels

Flap Wheel Arbors

Use flap sanding wheels with a threaded stud in tools that accept a shank. Arbors are also known as mandrels.

Shank Dia.	Overall Lg.	For Thread Size	Gender		Each
1/8"	1 3/8"	1/4"-20	Female	4734A54	00000
1/4"	1 3/8"	1/4"-20	Female	4734A51	0000
1/4"	4 1/2"	1/4"-20	Female	4734A55	00000
1/4"	6 1/2"	1/4"-20	Female	4734A56	00000
1/4"	8 1/2"	1/4"-20	Female	4734A57	00000

Flap Wheel Adapters

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

For Thread Size	For Spindle Thread Size	Thread Gender	Overall Lg.		Each
1/4"-20	1/4"-20	Female	1 5/8"	4734A53	000000
1/4"-20	3/8"-24	Female	1 5/8"	4734A52	00000

For Smooth Finish

								120 Grit			180 Grit
									Each			Each
Dia.	Wd.	Thread Size	Max. Rotation Speed, rpm	Abrasive Material	Abrasive Backing Material	For Use On	For Use With		1-9	10-Up		1-9	10-Up
1"	5/8"	1/4"-20	30,000	Aluminum Oxide	Cloth	Steel, Wood	Grinders for Bits and Burs	4734A593	00000	00000	4734A594	00000	00000
1"	1"	1/4"-20	30,000	Aluminum Oxide	Cloth	Steel, Wood	Grinders for Bits and Burs	4734A31	0000	0000	4734A41	0000	0000

Accessories for Flap Wheels

Flap Wheel Arbors

Use flap sanding wheels with a threaded stud in tools that accept a shank. Arbors are also known as mandrels.

Shank Dia.	Overall Lg.	For Thread Size	Gender		Each
1/8"	1 3/8"	1/4"-20	Female	4734A54	00000
1/4"	1 3/8"	1/4"-20	Female	4734A51	0000
1/4"	4 1/2"	1/4"-20	Female	4734A55	00000
1/4"	6 1/2"	1/4"-20	Female	4734A56	00000
1/4"	8 1/2"	1/4"-20	Female	4734A57	00000

Flap Wheel Adapters

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

For Thread Size	For Spindle Thread Size	Thread Gender	Overall Lg.		Each
1/4"-20	1/4"-20	Female	1 5/8"	4734A53	000000
1/4"-20	3/8"-24	Female	1 5/8"	4734A52	00000

For Extra-Smooth Finish

								240 Grit			320 Grit
									Each			Each
Dia.	Wd.	Thread Size	Max. Rotation Speed, rpm	Abrasive Material	Abrasive Backing Material	For Use On	For Use With		1-9	10-Up		1-9	10-Up
1"	5/8"	1/4"-20	30,000	Aluminum Oxide	Cloth	Steel, Wood	Grinders for Bits and Burs	4734A411	00000	00000	4734A412	00000	00000
1"	1"	1/4"-20	30,000	Aluminum Oxide	Cloth	Steel, Wood	Grinders for Bits and Burs	4734A71	0000	0000	4734A413	0000	0000

Accessories for Flap Wheels

Flap Wheel Arbors

Use flap sanding wheels with a threaded stud in tools that accept a shank. Arbors are also known as mandrels.

Shank Dia.	Overall Lg.	For Thread Size	Gender		Each
1/8"	1 3/8"	1/4"-20	Female	4734A54	00000
1/4"	1 3/8"	1/4"-20	Female	4734A51	0000
1/4"	4 1/2"	1/4"-20	Female	4734A55	00000
1/4"	6 1/2"	1/4"-20	Female	4734A56	00000
1/4"	8 1/2"	1/4"-20	Female	4734A57	00000

Flap Wheel Adapters

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

For Thread Size	For Spindle Thread Size	Thread Gender	Overall Lg.		Each
1/4"-20	1/4"-20	Female	1 5/8"	4734A53	000000
1/4"-20	3/8"-24	Female	1 5/8"	4734A52	00000

Sanding Flap Wheels with Threaded Stud for Stainless Steel and Hard Metals

For Rough Finish

								60 Grit
									Each
Dia.	Wd.	Thread Size	Max. Rotation Speed, rpm	Abrasive Material	Abrasive Backing Material	For Use On	For Use With		1-9	10-Up
1"	1"	1/4"-20	30,000	Ceramic Alumina	Cloth	Stainless Steel, Titanium, Steel, Iron, Nickel	Grinders for Bits and Burs	4613A213	000000	00000

Accessories for Flap Wheels

Flap Wheel Arbors

Use flap sanding wheels with a threaded stud in tools that accept a shank. Arbors are also known as mandrels.

Shank Dia.	Overall Lg.	For Thread Size	Gender		Each
1/8"	1 3/8"	1/4"-20	Female	4734A54	00000
1/4"	1 3/8"	1/4"-20	Female	4734A51	0000
1/4"	4 1/2"	1/4"-20	Female	4734A55	00000
1/4"	6 1/2"	1/4"-20	Female	4734A56	00000
1/4"	8 1/2"	1/4"-20	Female	4734A57	00000

Flap Wheel Adapters

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

For Thread Size	For Spindle Thread Size	Thread Gender	Overall Lg.		Each
1/4"-20	1/4"-20	Female	1 5/8"	4734A53	000000
1/4"-20	3/8"-24	Female	1 5/8"	4734A52	00000

For Smooth Finish

								120 Grit
									Each
Dia.	Wd.	Thread Size	Max. Rotation Speed, rpm	Abrasive Material	Abrasive Backing Material	For Use On	For Use With		1-9	10-Up
1"	1"	1/4"-20	30,000	Ceramic Alumina	Cloth	Stainless Steel, Titanium, Steel, Iron, Nickel	Grinders for Bits and Burs	4613A211	000000	00000

Accessories for Flap Wheels

Flap Wheel Arbors

Use flap sanding wheels with a threaded stud in tools that accept a shank. Arbors are also known as mandrels.

Shank Dia.	Overall Lg.	For Thread Size	Gender		Each
1/8"	1 3/8"	1/4"-20	Female	4734A54	00000
1/4"	1 3/8"	1/4"-20	Female	4734A51	0000
1/4"	4 1/2"	1/4"-20	Female	4734A55	00000
1/4"	6 1/2"	1/4"-20	Female	4734A56	00000
1/4"	8 1/2"	1/4"-20	Female	4734A57	00000

Flap Wheel Adapters

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

For Thread Size	For Spindle Thread Size	Thread Gender	Overall Lg.		Each
1/4"-20	1/4"-20	Female	1 5/8"	4734A53	000000
1/4"-20	3/8"-24	Female	1 5/8"	4734A52	00000

Sanding Flap Wheels with Threaded Stud for Aluminum, Soft Metals, and Nonmetals

A coating prevents dust and debris from building up on the abrasive surface. These wheels have flexible flaps that reduce gouging while producing a uniform finish on flat and curved surfaces. As the flaps wear, new abrasive is exposed. The threaded stud allows faster wheel changes but requires the use of an adapter (sold separately) in your tool.

For Rough Finish

								60 Grit			80 Grit
									Each			Each
Dia.	Wd.	Thread Size	Max. Rotation Speed, rpm	Abrasive Material	Abrasive Backing Material	For Use On	For Use With		1-9	10-Up		1-9	10-Up
1"	1"	1/4"-20	30,000	Silicon Carbide	Cloth	Aluminum, Brass, Bronze, Copper, Plastic, Rubber	Grinders for Bits and Burs	3387A211	00000	00000	3387A212	00000	00000

Accessories for Flap Wheels

Flap Wheel Arbors

Use flap sanding wheels with a threaded stud in tools that accept a shank. Arbors are also known as mandrels.

Shank Dia.	Overall Lg.	For Thread Size	Gender		Each
1/8"	1 3/8"	1/4"-20	Female	4734A54	00000
1/4"	1 3/8"	1/4"-20	Female	4734A51	0000
1/4"	4 1/2"	1/4"-20	Female	4734A55	00000
1/4"	6 1/2"	1/4"-20	Female	4734A56	00000
1/4"	8 1/2"	1/4"-20	Female	4734A57	00000

Flap Wheel Adapters

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

For Thread Size	For Spindle Thread Size	Thread Gender	Overall Lg.		Each
1/4"-20	1/4"-20	Female	1 5/8"	4734A53	000000
1/4"-20	3/8"-24	Female	1 5/8"	4734A52	00000

For Smooth Finish

								120 Grit
									Each
Dia.	Wd.	Thread Size	Max. Rotation Speed, rpm	Abrasive Material	Abrasive Backing Material	For Use On	For Use With		1-9	10-Up
1"	1"	1/4"-20	30,000	Silicon Carbide	Cloth	Aluminum, Brass, Bronze, Copper, Plastic, Rubber	Grinders for Bits and Burs	3387A213	00000	00000

Accessories for Flap Wheels

Flap Wheel Arbors

Use flap sanding wheels with a threaded stud in tools that accept a shank. Arbors are also known as mandrels.

Shank Dia.	Overall Lg.	For Thread Size	Gender		Each
1/8"	1 3/8"	1/4"-20	Female	4734A54	00000
1/4"	1 3/8"	1/4"-20	Female	4734A51	0000
1/4"	4 1/2"	1/4"-20	Female	4734A55	00000
1/4"	6 1/2"	1/4"-20	Female	4734A56	00000
1/4"	8 1/2"	1/4"-20	Female	4734A57	00000

Flap Wheel Adapters

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

For Thread Size	For Spindle Thread Size	Thread Gender	Overall Lg.		Each
1/4"-20	1/4"-20	Female	1 5/8"	4734A53	000000
1/4"-20	3/8"-24	Female	1 5/8"	4734A52	00000

Long-Life Sanding Flap Wheels with Threaded Stud

The premium abrasive stays sharp longer. The flexible flaps reduce gouging while producing a uniform finish on flat and curved surfaces. As the flaps wear, new abrasive is exposed. These wheels have a threaded stud that allows faster wheel changes but requires the use of an adapter (sold separately) in your tool.

For Rough Finish

								60 Grit			80 Grit
									Each			Each
Dia.	Wd.	Thread Size	Max. Rotation Speed, rpm	Abrasive Material	Abrasive Backing Material	For Use On	For Use With		1-9	10-Up		1-9	10-Up
1"	1"	1/4"-20	30,000	Zirconia Alumina	Cloth	Steel, Wood	Grinders for Bits and Burs	3393A211	000000	000000	3393A212	000000	000000

Accessories for Flap Wheels

Flap Wheel Arbors

Use flap sanding wheels with a threaded stud in tools that accept a shank. Arbors are also known as mandrels.

Shank Dia.	Overall Lg.	For Thread Size	Gender		Each
1/8"	1 3/8"	1/4"-20	Female	4734A54	00000
1/4"	1 3/8"	1/4"-20	Female	4734A51	0000
1/4"	4 1/2"	1/4"-20	Female	4734A55	00000
1/4"	6 1/2"	1/4"-20	Female	4734A56	00000
1/4"	8 1/2"	1/4"-20	Female	4734A57	00000

Flap Wheel Adapters

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

For Thread Size	For Spindle Thread Size	Thread Gender	Overall Lg.		Each
1/4"-20	1/4"-20	Female	1 5/8"	4734A53	000000
1/4"-20	3/8"-24	Female	1 5/8"	4734A52	00000

For Smooth Finish

								120 Grit
									Each
Dia.	Wd.	Thread Size	Max. Rotation Speed, rpm	Abrasive Material	Abrasive Backing Material	For Use On	For Use With		1-9	10-Up
1"	1"	1/4"-20	30,000	Zirconia Alumina	Cloth	Steel, Wood	Grinders for Bits and Burs	3393A213	000000	000000

Accessories for Flap Wheels

Flap Wheel Arbors

Use flap sanding wheels with a threaded stud in tools that accept a shank. Arbors are also known as mandrels.

Shank Dia.	Overall Lg.	For Thread Size	Gender		Each
1/8"	1 3/8"	1/4"-20	Female	4734A54	00000
1/4"	1 3/8"	1/4"-20	Female	4734A51	0000
1/4"	4 1/2"	1/4"-20	Female	4734A55	00000
1/4"	6 1/2"	1/4"-20	Female	4734A56	00000
1/4"	8 1/2"	1/4"-20	Female	4734A57	00000

Flap Wheel Adapters

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

For Thread Size	For Spindle Thread Size	Thread Gender	Overall Lg.		Each
1/4"-20	1/4"-20	Female	1 5/8"	4734A53	000000
1/4"-20	3/8"-24	Female	1 5/8"	4734A52	00000