About Sanding Abrasives
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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. Arbors are also known as mandrels.
For technical drawings and 3-D models, click on a part number.
Shank | |||||
|---|---|---|---|---|---|
| For Arbor Hole Size | Dia. | Lg. | Overall Lg. | Each | |
1/4"-20 | 1/4" | 1" | 3" | 00000000 | 00000 |
| 1/4"-20 | 1/4" | 1 1/16" | 2" | 00000000 | 00000 |
| 1/4"-20 | 1/4" | 1 1/16" | 4" | 00000000 | 00000 |
| 1/4"-20 | 1/4" | 1 1/16" | 6" | 00000000 | 00000 |
| 1/4"-20 | 1/4" | 1 1/16" | 8" | 00000000 | 00000 |
| 3-48 | 1/8" | 1" | 2 1/2" | 00000000 | 0000 |
| 3-48 | 1/4" | 2 1/8" | 2 1/2" | 00000000 | 0000 |
| 3-48 | 1/4" | 5 5/8" | 6" | 00000000 | 00000 |
| 3-48 | 1/4" | 7 5/8" | 8" | 00000000 | 00000 |
| 8-32 | 1/4" | 1" | 3" | 00000000 | 0000 |
| 8-32 | 1/4" | 1 1/16" | 4" | 00000000 | 0000 |
| 8-32 | 1/4" | 1 1/16" | 6" | 00000000 | 00000 |
| 8-32 | 1/4" | 1 1/16" | 8" | 00000000 | 00000 |
Sanding Pads for Internal and Irregular Surfaces
Sand inside pipes, tubes, and hard to reach corners with these pads. A shank adapter is required (sold separately). The most common abrasive material, aluminum oxide is hard enough to sand steel and wood.
Square pads sand quickly and won't leave swirl marks because of the alternating stroke of the pad corners.
Pads | Required Shank Adapters | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Overall Wd. | Thick. | Arbor Hole Thread Size | Max. Speed, rpm | Abrasive Material | Abrasive Backing Material | For Use On | For Use With | Choose a Grit | Each | Each | ||
For Rough Finish | ||||||||||||
Square | ||||||||||||
| 1 1/2" | 1/2" | 1/4"-20 | 23,000 | Aluminum Oxide | Cloth | Steel, Wood | Grinders for Bits and Burs | 00000000 | 00000 | 00000000 | 00000 | |
| 2" | 1/2" | 1/4"-20 | 23,000 | Aluminum Oxide | Cloth | Steel, Wood | Grinders for Bits and Burs | 00000000 | 0000 | 00000000 | 0000 | |
| 3" | 1/2" | 1/4"-20 | 14,000 | Aluminum Oxide | Cloth | Steel, Wood | Grinders for Bits and Burs | 00000000 | 00000 | 00000000 | 0000 | |
For Smooth Finish | ||||||||||||
Square | ||||||||||||
| 1 1/2" | 1/2" | 1/4"-20 | 23,000 | Aluminum Oxide | Cloth | Steel, Wood | Grinders for Bits and Burs | 120 | 00000000 | 0000 | 00000000 | 0000 |
| 2" | 1/2" | 1/4"-20 | 23,000 | Aluminum Oxide | Cloth | Steel, Wood | Grinders for Bits and Burs | 120 | 00000000 | 0000 | 00000000 | 0000 |
| 3" | 1/2" | 1/4"-20 | 14,000 | Aluminum Oxide | Cloth | Steel, Wood | Grinders for Bits and Burs | 120 | 00000000 | 00000 | 00000000 | 0000 |
Nylon Mesh Cushioned Sanding Pads for Internal and Irregular Surfaces
The abrasive-embedded mesh construction gives you more control over sanding pressure, creating finer and more consistent finishes. These pads sand inside pipes and tubes as well as on an angle to reach into corners and slots. A shank adapter is required (sold separately).
Medium grade is for light cleaning and blending.
Very fine grade is for finishing.
For technical drawings and 3-D models, click on a part number.
Pads | Required Shank Adapters | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Overall Wd. | Thick. | Ply | Arbor Hole Thread Size | Max. Speed, rpm | Color | Abrasive Material | Abrasive Backing Material | For Use On | For Use With | Each | Each | ||
Medium Grade—For Smooth Finish | |||||||||||||
Square | |||||||||||||
| 3" | 3/4" | 2 | 1/4"-20 | 8,000 | Maroon | Aluminum Oxide | Nylon Mesh | Steel, Wood | Grinders for Bits and Burs | 00000000 | 00000 | 00000000 | 00000 |
Very Fine Grade—For Extra-Smooth Finish | |||||||||||||
Square | |||||||||||||
| 3" | 3/4" | 2 | 1/4"-20 | 8,000 | Maroon | Aluminum Oxide | Nylon Mesh | Steel, Wood | Grinders for Bits and Burs | 00000000 | 0000 | 00000000 | 0000 |
Sanding Pads for Internal and Irregular
Surfaces on Stainless Steel and Hard Metals
The ceramic alumina abrasive on these pads is sharp and dense enough to shape hard metals such as stainless steel, nickel, and iron without dulling quickly. They’re often used to sand inside pipes and tubes, or to sand at an angle when reaching into corners and slots. The abrasive material on these pads continuously fractures to produce new, sharp cutting edges. They sand faster and last longer than aluminum oxide but require more force to abrade properly. A shank adapter (sold separately) is required.
Square pads sand quickly and won't leave swirl marks because of the alternating stroke of the pad corners.
Pads | Required Shank Adapters | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Overall Wd. | Thick. | Arbor Hole Thread Size | Max. Speed, rpm | Abrasive Material | Abrasive Backing Material | For Use On | For Use With | Grit | Each | Each | ||
For Rough Finish | ||||||||||||
Square | ||||||||||||
| 2" | 3/8" | 1/4"-20 | 7,000 | Ceramic Alumina | Cloth | Stainless Steel, Titanium, Steel, Iron, Nickel | Grinders for Bits and Burs | 80 | 0000000 | 00000 | 00000000 | 00000 |
| 2" | 1/2" | 1/4"-20 | 12,000 | Ceramic Alumina | Cloth | Stainless Steel, Titanium, Steel, Iron, Nickel | Grinders for Bits and Burs | 60 | 0000000 | 0000 | 00000000 | 0000 |
For Smooth Finish | ||||||||||||
Square | ||||||||||||
| 2" | 1/2" | 1/4"-20 | 7,000 | Ceramic Alumina | Cloth | Stainless Steel, Titanium, Steel, Iron, Nickel | Grinders for Bits and Burs | 100 | 0000000 | 0000 | 00000000 | 0000 |
Oscillating Tool Sanding Kits
Everything you need to use your oscillating tool as a sander—great for smaller jobs that a large sander can’t accommodate. Swap out sheets on the backup pads quickly thanks to the hook and loop. These can be used with Starlock-compatible oscillating tools.
Square-shaped sheets can wrap around contoured surfaces, such as wooden rods and handrails.
| For Sheet Shape | Lg. | Wd. | For Use On | Abrasive Material | Blade Mount Type | Mount Type | Includes | Each | |
For Rough and Smooth Finish | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Square | 3" | 5" | Steel, Wood | Aluminum Oxide | Starlock | Hook and Loop | Backup Pad; Two each 80, 120-grit Sheets | 0000000 | 000000 |