Palm Sanders | McMaster-Carr

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69 Products

Swirl-Free Air-Powered Disc Sanders

The orbital motion produces more consistent finishes than standard disc sanders. Also known as random orbital sanders. They work with either adhesive-back discs or hook and loop discs.

12 1/2"-long sanders give you more control than shorter sanders. They’re useful for sanding the vertical sides of workpieces because you can use two hands to control them.

Sanders with 3/8" orbit diameter are good for aggressive sanding, such as shaping material.

Sanders with 3/16" orbit diameter are useful for general purpose sanding.

Sanders with 3/32" orbit diameter are best for finishing pieces with ultra-fine sanding.

For technical drawings and 3-D models, click on a part number.

Sanders
				Spindle					Air Inlet							Replacement Backup Pads
For Disc Dia.	Max. No-Load Speed, rpm	No. of Speeds	hp	Thread Size	Gender	Average Air Consumption	O'all Lg.	Wt., lbs.	Pipe Size	Thread Type	Gender	For Air Hose ID	Includes		Each		Each
3/8" Orbit Dia.
3 1/2"	12,000	Variable	0.25	5/16"-24	Female	14 cfm @ 90 psi	6"	1 1/2	1/4	NPT	Female	1/4"	Backup Pad	00000000	0000000	00000000	000000
5"	12,000	Variable	0.25	5/16"-24	Female	14 cfm @ 90 psi	6 1/2"	1 1/2	1/4	NPT	Female	1/4"	Backup Pad	00000000	000000	00000000	00000
6"	12,000	Variable	0.25	5/16"-24	Female	14 cfm @ 90 psi	7"	1 3/4	1/4	NPT	Female	1/4"	Backup Pad	00000000	000000	00000000	00000
3/16" Orbit Dia.
3 1/2"	12,000	Variable	0.25	5/16"-24	Female	14 cfm @ 90 psi	6"	1 1/2	1/4	NPT	Female	1/4"	Backup Pad	00000000	000000	00000000	00000
5"	12,000	One	0.3	5/16"-24	Female	19 cfm @ 90 psi	7"	2	1/4	NPT	Female	1/4"	Backup Pad	00000000	000000	00000000	00000
5"	12,000	Variable	0.3	5/16"-24	Female	14 cfm @ 90 psi	6 1/2"	1 1/2	1/4	NPT	Female	1/4"	Backup Pad	00000000	000000	00000000	00000
6"	12,000	One	0.3	5/16"-24	Female	19 cfm @ 90 psi	7 1/2"	2	1/4	NPT	Female	1/4"	Backup Pad	00000000	000000	00000000	00000
6"	12,000	Variable	0.3	5/16"-24	Female	14 cfm @ 90 psi	7"	1 1/2	1/4	NPT	Female	1/4"	Backup Pad	00000000	000000	00000000	00000
8"	10,000	Variable	0.45	5/16"-24	Female	23 cfm @ 90 psi	12 1/2"	4	1/4	NPT	Female	1/4"	Backup Pad	00000000	000000	00000000	00000
3/32" Orbit Dia.
3 1/2"	12,000	Variable	0.25	5/16"-24	Female	14 cfm @ 90 psi	6"	1 1/2	1/4	NPT	Female	1/4"	Backup Pad	00000000	000000	00000000	00000
5"	12,000	One	0.3	5/16"-24	Female	19 cfm @ 90 psi	7"	1 3/4	1/4	NPT	Female	1/4"	Backup Pad	00000000	000000	00000000	00000
5"	12,000	Variable	0.25	5/16"-24	Female	14 cfm @ 90 psi	6 1/2"	1 1/2	1/4	NPT	Female	1/4"	Backup Pad	00000000	000000	00000000	00000
6"	12,000	One	0.3	5/16"-24	Female	19 cfm @ 90 psi	7 1/2"	2	1/4	NPT	Female	1/4"	Backup Pad	00000000	000000	00000000	00000
6"	12,000	Variable	0.25	5/16"-24	Female	14 cfm @ 90 psi	7"	1 1/2	1/4	NPT	Female	1/4"	Backup Pad	00000000	000000	00000000	00000

Dust-Collecting Swirl-Free Air-Powered Disc Sanders

These sanders come ready to hook up to a self-contained dust collection kit (sold separately). The orbital motion produces more consistent finishes than standard disc sanders. Also known as random orbital sanders. Use with adhesive-back vacuum sanding discs.

Sanders
					Spindle					Air Inlet							Replacement Backup Pads
For Disc Dia.	No. of Vacuum Holes	Max. No-Load Speed, rpm	No. of Speeds	hp	Thread Size	Gender	Average Air Consumption	O'all Lg.	Wt., lbs.	Pipe Size	Thread Type	Gender	For Air Hose ID	Includes		Each		Each
5"	5	12,000	Variable	0.3	5/16"-24	Female	14 cfm @ 90 psi	8 1/2"	1 1/2	1/4	NPT	Female	1/4"	Backup Pad	00000000	0000000	00000000	000000
6"	6	12,000	Variable	0.3	5/16"-24	Female	14 cfm @ 90 psi	9"	1 1/2	1/4	NPT	Female	1/4"	Backup Pad	00000000	000000	00000000	00000

Required Dust-Collection Kit

00000000

Each

000000

Air-Powered Wet Sanders

With a built-in water hose that lubricates your work surface and washes away the resulting grit, these sanders are less likely to scratch your surface than other air-powered sanders. They also extend the life of your sandpaper. Use them to polish molds, car bodies, and other surfaces that are easy to scratch. Their random orbital motion creates a finish that’s free of swirls and more consistent than standard disc sanders. Pair them with hook and loop sanding discs; swap discs out using the quick-release pad.

Sanders

Sander

			Spindle					Air Inlet					Hose
For Disc Dia.	Max. No-Load Speed, rpm	No. of Speeds	Thread Size	Gender	Average Air Consumption	O'all Lg.	Wt., lbs.	Pipe Size	Thread Type	Gender	For Air Hose ID	Includes	Lg., ft	Material	Color		Each
6"	13,000	Variable	5/16"-24	Female	11 cfm @ 90 psi	7"	2.5	1/4	NPT	Male	3/8"	Backup Pad, Water Hose with Built-In Filter	20	Vinyl Plastic	Blue	0000000	0000000

Replacement Parts

Replacement Hook-and-Loop Pad Face

Replacement Backup Pad

Component	For Disc Dia.		Each
Hook-and-Loop Pad Face	6"	0000000	000000
Backup Pad	6"	0000000	00000

Swirl-Free Electric Disc Sanders

The orbital motion produces consistent finishes. These sanders draw dust away from your work surface into a collection canister. Also known as random orbital sanders. Use with hook and loop sanding discs.

Sanders
		No-Load Speed, orbits/minute												Replacement Backup Pads
For Disc Dia.	No. of Vacuum Holes	Min.	Max.	No. of Speeds	O'all Lg.	Wt., lbs.	Voltage	Current, A	Specifications Met	Includes	Features		Each		Each
5"	8	4,000	12,000	Variable	10 7/8"	3.5	120V AC	3	UL Listed	Backup Pad	Dust Collection Canister, Removable Front Handle, Speed Lock-On Button	00000000	0000000	00000000	000000
6"	8	4,000	10,000	Variable	12 1/8"	5.2	120V AC	2.7	UL Listed	Backup Pad, Sanding Disc	Dust Collection Canister, Removable Front Handle, Speed Lock-On Button	00000000	000000	00000000	00000

Electric Sheet Sanders

For 3 5/8" x 9" Sheet

For 4 1/2" x 5 1/2" Sheet

Use for finishing and light material removal. These sanders operate in an orbital motion that produces consistent finishes while drawing dust away from your work surface into a collection bag. They meet OSHA requirements. Sanding sheets are sold separately.

Sanders
For Sheet												Replacement Backup Pads
Wd.	Lg.	Max. No-Load Speed, orbits/min.	No. of Speeds	O'all Lg.	Wt., lbs.	Voltage	Current, A	Specifications Met	Includes		Each		Each
3 5/8"	9"	11,000	One	10"	3 1/2	120V AC	1.7	UL Listed	__	0000000	000000	0000000	00000
4 1/2"	5 1/2"	14,000	One	5"	2 1/2	120V AC	2	UL Listed	Plastic Carrying Case, Sandpaper Punch, Three Sanding Sheets	00000000	00000	00000000	0000

Electric Triangular Detail Sheet Sanders

The small triangular pad reaches into tight corners and spaces.

Sanders
For Sheet		No-Load Speed, orbits/minute											Replacement Backup Pad
Wd.	Lg.	Min.	Max.	No. of Speeds	O'all Lg.	Wt., lbs.	Voltage	Current, A	Specifications Met	Includes		Each		Each
4"	4"	8,000	20,000	Variable	11"	3 1/4	120V AC	4	UL Listed, C-UL Listed	Backup Pad, 25 Sanding Sheets, 1 Sanding Pad, 1 Scraper Blade, 1 Segment Blade, 3 Plunge Blades, Plastic Case	0000000	0000000	0000000	00000

Air-Powered Sheet Sanders

The orbital motion produces consistent finishes. Also known as jitterbug sanders. Sanding sheets are sold separately.

Sanders
For Sheet								Air Inlet							Replacement Backup Pads
Wd.	Lg.	Max. No-Load Speed, orbits/min.	No. of Speeds	hp	Average Air Consumption	O'all Lg.	Wt., lbs.	Pipe Size	Thread Type	Gender	For Air Hose ID	Includes		Each		Each
3 2/3"	9"	8,000	Variable	0.3	12 cfm @ 90 psi	8 1/4"	4	1/4	NPT	Female	3/8"	Backup Pad	0000000	0000000	0000000	000000

Replacement Shoe Assembly

0000000

Each

000000

Robot-Ready Sanders

Automate sanding on your line by attaching these sanders to a robot arm. Compared to sanders operated by humans, these apply the same force and pattern for a more consistent and repeatable finish. To program them, connect them to your robot controller using the solenoid valves with wire leads. They’re certified by Universal Robots (UR), which means they’ve validated that these sanders are compatible with their arms. To help ensure an accurate finish, use a force torque sensor (not included).

Attach these sanders to your robot’s wrist with mounts for end of robot arm and robot tool (each sold separately). The mounts for end of robot arm have a mounting pattern that conforms to ISO 31.5 mm, 40 mm, and 50 mm, so they’ll work with most industrial robots and cobots. Since they’re a quick-connect tool changer, they let you switch out one sander for another without taking apart hardware.

Add an air coupler to install your own quick-connect fittings for the air input on these sanders.

Disc sanders, or random orbital sanders, move in both circular and back and forth motions. That’s why they leave minimal swirl patterns and aren’t limited to moving with the grain of your workpiece. However, these sanders can’t fit into corners because their pads are circular.

Sheet sanders use rectangular sanding sheets that are good for fitting into corners, but they must sand with the grain pattern of your workpiece. Sanders for 8"-long sheets only move back and forth; they’re known as inline sanders. Those for 7"-long sheets move in an orbital motion and are known as jitterbug sanders.

Sanders with a 3/8" stroke length are good for aggressive sanding that produces a rough finish (best for grits 16 to 80), such as grinding and deburring. Sanders with a 3/16" stroke length work for general purpose sanding (best for grits 100 to 240), such as deburring, texturing, and adding smooth finishes. Sanders with a 3/32" stroke length are for ultra-fine sanding (best for grits greater than 280), including extra-smooth finishing and polishing.

Add a debris collection system to keep the area clean. If you’re using them in a hazardous location where large amounts of debris could be flammable, be sure to use a system that’s certified for your location.

Sanders

Disc Sander

Sheet Sander

	For Disc		For Sheet				Spindle					Air Inlet
Stroke Lg.	Dia.	Mount Type	Lg.	Wd.	Max. No-Load Speed	Power, hp	Thread Size	Gender	Average Air Consumption @ Pressure	O'all Lg.	Wt.	Pipe Size	Thread Type	Gender	Includes		Each
Disc
3/16"	5"	Hook and Loop	__	__	12,000 rpm	0.28	5/16"-24	Male	18 cfm @ 90 psi	5"	3.3 lbs. / 1.5 kg	1/4	NPT	Female	Solenoid Valve with Wire Leads	00000000	000000000
3/16"	6"	Hook and Loop	__	__	12,000 rpm	0.28	5/16"-24	Male	18 cfm @ 90 psi	5"	3.3 lbs. / 1.5 kg	1/4	NPT	Female	Solenoid Valve with Wire Leads	00000000	00000000
3/32"	5"	Hook and Loop	__	__	12,000 rpm	0.28	5/16"-24	Male	18 cfm @ 90 psi	5"	3.3 lbs. / 1.5 kg	1/4	NPT	Female	Solenoid Valve with Wire Leads	00000000	00000000
3/32"	6"	Hook and Loop	__	__	12,000 rpm	0.28	5/16"-24	Male	18 cfm @ 90 psi	5"	3.3 lbs. / 1.5 kg	1/4	NPT	Female	Solenoid Valve with Wire Leads	00000000	00000000
Sheet
3/8"	__	__	8"	2 3/4"	2,400 strokes/min.	0.3	__	__	18 cfm @ 90 psi	5 1/4"	3.7 lbs. / 1.7 kg	1/4	NPT	Female	Solenoid Valve with Wire Leads	00000000	00000000
3/32"	__	__	7"	3 2/3"	10,000 rpm	0.28	__	__	18 cfm @ 90 psi	5 1/4"	2.4 lbs. / 1 kg	1/4	NPT	Female	Solenoid Valve with Wire Leads	00000000	00000000

Mounts for End of Robot Arm

Low-Profile Mount for End of Arm

Low Profile—Black PTFE-Coated Aluminum
Bolt Circle Dia. (Mount. Hole Pattern Compatibility)	Mounting Fasteners Included	Mounting Plate Dia., mm	Max. Load Cap.	Wt.	Lg., mm		Each
31.5 mm (ISO 31.5) 40 mm (ISO 40) 50 mm (ISO 50)	Yes	83	110 lbs. / 50 kg	0.53 lbs. / 0.24 kg	19	00000000	0000000

Mounts for Robot Tool

Low-Profile Mount for Robot Tool

		Mounting Plate
Bolt Hole Thread Size (No. of Holes)	Mounting Fasteners Included	Lg., mm	Wd., mm	Wt.	Lg., mm		Each
Low Profile—Black PTFE-Coated Aluminum
M6 (4)	No	62	38	0.16 lbs. / 0.07 kg	12	00000000	000000

Air Couplers

Air Coupler

Female Threaded Air Connection		Female Quick-Disconnect Air Connection		Male Threaded Air Connection		Male Quick-Disconnect Air Connection
Pipe Size	Thread Type	Coupling Size	Quick-Disconnect Shape	Pipe Size	Thread Type	Coupling Size	Quick-Disconnect Shape		Each
1/4	NPT	1/4	Industrial	1/4	NPT	1/4	Industrial	00000000	000000

Replacement Sanding Pads

Replacement Disc Sanding Pad

Replacement Sheet Sanding Pad

Disc
Dia.	Lg.	Wd.	Mount Type		Each
5"	__	__	Hook and Loop	00000000	000000
6"	__	__	Hook and Loop	00000000	00000
Sheet
__	7"	3 2/3"	Hook and Loop	00000000	00000
__	8"	2 3/4"	Hook and Loop	00000000	00000

Replacement Sanders

Replacement Disc Sander

Replacement Sheet Sander

	For Disc		For Sheet				Spindle					Air Inlet
Stroke Lg.	Dia.	Mount Type	Lg.	Wd.	Max. No-Load Speed	Power, hp	Thread Size	Gender	Average Air Consumption @ Pressure	O'all Lg.	Wt.	Pipe Size	Thread Type	Gender		Each
Disc
3/16"	5"	Hook and Loop	__	__	12,000 rpm	0.28	5/16"-24	Male	18 cfm @ 90 psi	5"	3.3 lbs. / 1.5 kg	1/4	NPT	Female	00000000	000000000
3/16"	6"	Hook and Loop	__	__	12,000 rpm	0.28	5/16"-24	Male	18 cfm @ 90 psi	5"	3.3 lbs. / 1.5 kg	1/4	NPT	Female	00000000	00000000
3/32"	5"	Hook and Loop	__	__	12,000 rpm	0.28	5/16"-24	Male	18 cfm @ 90 psi	5"	3.3 lbs. / 1.5 kg	1/4	NPT	Female	00000000	00000000
3/32"	6"	Hook and Loop	__	__	12,000 rpm	0.28	5/16"-24	Male	18 cfm @ 90 psi	5"	3.3 lbs. / 1.5 kg	1/4	NPT	Female	00000000	00000000
Sheet
3/8"	__	__	8"	2 3/4"	2,400 strokes/min.	0.3	__	__	18 cfm @ 90 psi	5 1/4"	3.7 lbs. / 1.7 kg	1/4	NPT	Female	00000000	00000000
3/32"	__	__	7"	3 2/3"	10,000 rpm	0.28	__	__	18 cfm @ 90 psi	5 1/4"	2.4 lbs. / 1 kg	1/4	NPT	Female	00000000	00000000

Sanding Sheets for Triangular Detail Sanders

Quickly attach, remove, and reuse these hook-and-loop sheets with triangular detail sanders. A coating prevents dust and debris from building up on the abrasive surface.

For technical drawings and 3-D models, click on a part number.

	For Sander						4" × 4"
Grit	Manufacturer	Manufacturer Model No.	For Use On	Abrasive Material	Abrasive Backing Material	Sanding Properties	Pkg. Qty.		Pkg.
For Rough Finish
40	Bosch	1294VSK	Steel, Wood	Aluminum Oxide	Paper	Clog Resistant	5	00000000	00000
60	Bosch	1294VSK	Steel, Wood	Aluminum Oxide	Paper	Clog Resistant	5	00000000	0000
80	Bosch	1294VSK	Steel, Wood	Aluminum Oxide	Paper	Clog Resistant	5	00000000	0000
For Smooth Finish
100	Bosch	1294VSK	Steel, Wood	Aluminum Oxide	Paper	Clog Resistant	5	00000000	0000
120	Bosch	1294VSK	Steel, Wood	Aluminum Oxide	Paper	Clog Resistant	5	00000000	0000
180	Bosch	1294VSK	Steel, Wood	Aluminum Oxide	Paper	Clog Resistant	5	00000000	0000
For Extra-Smooth Finish
240	Bosch	1294VSK	Steel, Wood	Aluminum Oxide	Paper	Clog Resistant	5	00000000	0000
320	Bosch	1294VSK	Steel, Wood	Aluminum Oxide	Paper	Clog Resistant	5	00000000	0000
400	Bosch	1294VSK	Steel, Wood	Aluminum Oxide	Paper	Clog Resistant	5	00000000	0000