7 best abrasive mandrels

Abrasive mandrels are tools used in various applications, particularly in the context of buffing wheels and power rotary tools. They are important accessories in the field of power tool parts and accessories, falling under the category of Tools Home Improvement. Here's what you should know about abrasive mandrels:

Definition: An abrasive mandrel is a cylindrical tool that holds and secures abrasive materials, such as sandpaper or abrasive discs, for use in power rotary tools.
Function: Abrasive mandrels are used to attach abrasive materials to rotary tools like die grinders, rotary sanders, or similar power tools. They provide a secure and stable platform for the abrasive material to effectively remove material, smooth surfaces, or polish objects.
Construction: Typically made from materials like metal (e.g., steel or aluminum) or plastic, abrasive mandrels are designed to be durable and withstand the forces generated during rotary tool operations. They often have a threaded or shaft-like design for easy attachment to the tool.
Attachment: The abrasive material, such as sandpaper or abrasive discs, is affixed to the abrasive mandrel's surface. The mandrel is then attached to the rotary tool, allowing the abrasive material to rotate and perform its intended function.
Applications:
- Surface Preparation: Abrasive mandrels are used for tasks like rust removal, paint stripping, and surface preparation. They help achieve a smooth and clean surface for subsequent finishing or coating.
- Polishing: They are employed in polishing applications, such as buffing metals or automotive components to achieve a high-gloss finish.
- Grinding: In some cases, abrasive mandrels are used for grinding operations, where material is removed from a workpiece to achieve specific dimensions or shapes.
- Deburring: Abrasive mandrels are also valuable for removing burrs or sharp edges from metal or plastic parts, ensuring a safe and smooth finish.
Variety: Abrasive mandrels come in various shapes and sizes to accommodate different rotary tool accessories. This versatility allows them to be used for a wide range of tasks and materials.
Safety: Proper safety precautions should be taken when using abrasive mandrels, including wearing appropriate personal protective equipment, ensuring the workpiece is securely held, and following the manufacturer's guidelines for the specific abrasive material and tool being used.
Maintenance: Regular inspection and maintenance of abrasive mandrels are essential to ensure they remain in good working condition. This includes checking for wear and tear, proper attachment, and the replacement of worn-out abrasive materials.

In summary, abrasive mandrels are essential accessories for power rotary tools, enabling the secure attachment of abrasive materials for various applications, including surface preparation, polishing, grinding, and deburring. They play a crucial role in achieving precise and desired results in tasks involving material removal and surface finishing.

Below you can find our editor's choice of the best abrasive mandrels on the market

2pc 1/8"-Shank Mandrel Set - For 1/8" & 1/4" Wheel Disc Arbor Holes - Fits Dremel

Pro Tools

Based on 176 reviews Check latest price

Product description

Essential accessory set for Dremel and other power rotary tools; hardened steel with nickel finish

Provide sturdy mounting base for sanding, buffing or cut-off wheels & discs, saw blades

Small size has 1/8" screw with 5/16" base & cap, overall length 1-3/4", 1/8" shank

Large has 1/4" diameter x 3/8" length screw w/ 7/16" base/cap; 1/8" shank; length overall and 2"

Sold in pairs of one 1/8" & one 1/4" mandrel with screws & fiber washer

Essential accessory set for Dremel and other power rotary tools; hardened steel with nickel finish
Provide sturdy mounting base for sanding, buffing or cut-off wheels & discs, saw blades
Small size has 1/8" screw with 5/16" base & cap, overall length 1-3/4", 1/8" shank
Large has 1/4" diameter x 3/8" length screw w/ 7/16" base/cap; 1/8" shank; length overall and 2"
Sold in pairs of one 1/8" & one 1/4" mandrel with screws & fiber washer

User questions & answers

Question:	x 20 tpi thread
Answer:	1 1/2 inches. We cored thru 1 1/4 inches of granite with these bits.
Question:	Are these hardened steel? What rpm are they rated to
Answer:	The thickness of the part that is cutting is ~1/4".
Question:	Will the big one fit on a 2in sanding disk
Answer:	I own the 7/8” version and the cutting diameter isn’t 7/8”. Be careful and go with these bits they are low quality and break easily.
Question:	Is there an extension bit to make it possible to reach into something with the grinding bit
Answer:	You'll need a SDS adapter. There's no pilot. I'd suggest cutting a hole in some plywood equal to the size of the bit making it long enough to get both feet on to hold in place. Once it starts cutting the concrete it'll follow grove it cut.

CRATEX Rubberized Abrasive Point & Mandrel Set - Mfr #: 767 Kits

Cratex

Based on 2 reviews Check latest price

Product description

Kit No. 767 contains two of each of the four grit textures of the five most popular Cratex Small Points. A total of 40 Points plus two each of the No. 4 and No. 6 Mandrels. Packaged in a four compartment plastic box by grit textures C, M, F, and XF for easy selection.

Great for polishing small and hard to reach areas of metallic products
Mandrels for mounting and operating are included in kit.
5 different shapes.
All grit grades of Cratex products are included.
Can be used with most rotary hand tools.

User questions & answers

Question:	Will that mandrel fit dremel tool
Answer:	You attach it to angle grinder. Works better and faster than drill

3M Cartridge Roll Mandrel - Attaches Abrasive Cartridge Roll to Die Grinder - Power Tool Accessory - 3/16" x 1" x 1/4" - 45117

Cubitron

Based on 8 reviews Check latest price

Product description

3M Cartridge Roll Mandrel is a tool attachment that holds an abrasive cartridge roll (sold separately). Together, the mandrel and cartridge roll enable the user to grind or finish hard-to-reach areas of a workpiece, such as angles and curves. The mandrel attaches to a rotary tool such as a die grinder or drill, and comes in different sizes to fit a variety of cartridge roll sizes.

From the Manufacturer

The 3M™ Cartridge Roll Mandrel is a tool attachment that holds an abrasive cartridge roll (sold separately). Together, the mandrel and cartridge roll enable the user to grind or finish hard-to-reach areas of a workpiece, such as angles and curves. The mandrel attaches to a rotary tool such as a die grinder or drill, and comes in different sizes to fit a variety of cartridge roll sizes. The shank of the mandrel must match the size of the power tool collet or drill chuck, and the pilot diameter must be compatible with the size of the cartridge roll. Dimensions listed are pilot diameter, pilot length, and shank diameter. Max RPM is 24,000.

For more than a century, 3M has applied innovation and technology to improving our customers’ lives and supporting their business goals. Today the company, from its headquarters in St. Paul, Minnesota, serves industrial and commercial customers and consumers in nearly 200 countries. Abrasive Systems products, including a complete line of coated abrasives, microfinishing and microreplicated abrasives, and hardware accessories, provide the finishing touch for almost any surface conditioning application. The 3M brand, across thousands of products, represents consistency, superior quality, and value.

Shank of the mandrel is secured into the collet assembly or drill chuck of a rotary power tool
Mandrel enables access to tight spaces with a cartridge roll
Comes in various pilot diameters and lengths to fit different cartridge rolls
Shank must match the size of the power tool collet or drill chuck
Pilot diameter must match size of cartridge roll

Product features

Heavy Duty Mandrel

Heavy-duty rubber pad, aluminum core with nickel-plated removable steel shank. Threaded pad backs screw tightly onto the mandrel, and allow for quick and easy changes. Accepts sanding, polishing, surface conditioning/preparation, bristle and other disc consumables.

Very Durable

This 2" Roloc disc holder is made of reinforced rubber and is very durable. The high-quality aluminum and the long-lasting rubber will provide sturdiness and strength. Disc Pad Adaptor Pad Holder- Provide firm support when using roloc and other bristle discs. Quick change system saves time and speeds up your work.

Easy Fitting and Application

Designed to fit most grinders, this mandrel is ideal for sanding discs as well as conditioning discs. Widely used with various types of discs, Mini flap discs, quick-change discs, surface conditioning discs, strip discs and Roloc bristle discs, etc. Allow attachment of various types of discs, complete everything from prep to polish.

3M Cartridge Roll Mandrel

uxcell 2.35mm Shank Straight Mandrel Sandpaper Holder for Abrasive Sanding Disc 10 Pcs

Based on 3 reviews Check latest price

Product description

Descriptions:

Insert and wrap sandpaper, polishing papers, or other cloth-based abrasives.

Mandrels can be used with rotray tools and more rotary handpieces and tools.

Specifications:

Shank Diameter: 2.35mm

Split Part Diameter: 0.6mm

Split Part Length: 16mm / 0.63-inch

Total Length: 50mm / 2-inch

Material: Nickel Plated Carbon Steel

Package Content:

10 x Sandpaper Mandrel

The split mandrel is designed with 2.35mm shank.
The split part of this mandrel is 0.6mm in diameter and 16mm long.
Insert and wrap sandpaper, polishing papers, or other cloth-based abrasives.
Can be used with rotray tools and more rotary handpieces and tools.
Package Content: 10 x Sandpaper Mandrel.

uxcell 3mm Shank Straight Mandrel Sandpaper Holder for Abrasive Sanding Disc 5 Pcs

Based on 3 reviews Check latest price

Product description

Descriptions:

Insert and wrap sandpaper, polishing papers, or other cloth-based abrasives.

Mandrels can be used with rotray tools and more rotary handpieces and tools.

Specifications:

Shank Diameter: 3mm / 0.12

Split Part Diameter: 0.6mm

Split Part Length: 12mm / 0.47-inch

Total Length: 50mm / 2-inch

Material: Nickel Plated Carbon Steel

Package Content:

5 x Sandpaper Mandrel

The split mandrel is designed with 3mm shank.
The split part of this mandrel is 0.6mm in diameter and 12mm long.
Insert and wrap sandpaper, polishing papers, or other cloth-based abrasives.
Can be used with rotray tools and more rotary handpieces and tools.
Package Content: 5 x Sandpaper Mandrel.

Product features

3M Cartridge Roll Mandrel

Dophee 10Pcs 3/32" SandPaper Split Straight Mandrels Shank Long Abrasive Clip Handle Tools

Based on 8 reviews Check latest price

Product description

Package List:

10 * 3/32" Shank Sandpaper Split Straight Mandrels

Note: NO Retail Box. Packed Safely in Bubble Bag.

The split mandrel is designed with 2.35mm shank. The split part of this mandrel is 2.35mm in diameter and 16mm long.
The Total Length of split mandrel is 50mm.
For use with your sandpaper, polishing papers, or other cloth-based abrasives.
The slot on the mandrel allows you to insert and wrap abrasive and polishing papers of your choice. Mandrels are designed to be used on rotary Tools & Hand pieces.
The slot on the mandrel allows you to insert and wrap abrasive and polishing papers of your choice. Mandrels are designed to be used on rotary Tools & Hand pieces.