3M™ Star Mandrel

3M(TM) Mandrel 944, 13928, 1/4 x 1/4 In. -20 EXT

1 of 1

Hover to zoom

Securely attaches Scotch-Brite™ Stars to die grinder
Enables die grinder to reach internal diameters of pipes, tubing
Shank size is 0.25 inches
Thread size is 1/4-20 EXT

For industrial/occupational use only. Not for consumer sale or use.

Specifications

Attribute Name	Value
Attachment Type	Threaded
Brand	3M™
CA Metalworking Solutions Level 2	Abrasive Tools and Accessories
Equipment - Machines	Die Grinders
Form Type	Star
Function/Attachment Style	Mechanical Attachment
Industries	Metalworking
Max RPM	24100
Net Weight (Imperial)	0.06 lb
Net Weight (Metric)	27.22 g
Overall Height (Imperial)	0.3 in
Overall Height (Metric)	0.76 cm
Overall Length (Imperial)	6.72 in
Overall Length (Metric)	17.07 cm
Overall Width (Imperial)	4.63 in
Overall Width (Metric)	11.76 cm
Product Type	Mandrel
Shank Size	0.25 in
Shank Size (metric)	6.35 mm
Thread Size	1/4-20 EXT
Type	Regular

Product Details

Securely attaches Scotch-Brite™ Stars to die grinder
Enables die grinder to reach internal diameters of pipes, tubing
Shank size is 0.25 inches
Thread size is 1/4-20 EXT
Runs at maximum RPM of 24,100

Our 3M™ Star Mandrel enables you to tightly secure Scotch-Brite™ Stars with 1/4-20 internal threads to your die grinder for safe performance. This accessory allows you to deburr inside diameters of pipe and tubing.

Unique shape for cleaning, polishing and light deburring of inside diameters of pipe and tubing

Get More Done with One Tool
With our 3M™ Star Mandrel (PDF, 2.9 Mb), you can use your die grinder with our uniquely shaped Scotch-Brite™ Stars to clean, polish and lightly deburr the inside diameters of pipe and tubing. Our 3M™ Star Mandrel is 3 inches in length with a shank size of .0.25 inches. Thread size is 1/4-20 EXT. It will run safely at a maximum RPM of 24,100.

Maximize the Value of Your 3M™ Power Tools
Engineered to work effectively with your 3M™ Die Grinder, our 3M™ Star Mandrel allows you to do more, more cost-efficiently with your power tools.

Resources

Catalogs

Customer Reviews

Large Volume Order

If you are considering a large purchase of this or other 3M Abrasive products our inside sales team is ready to help by providing additional information and options that our industrial customers typically seek when making abrasive procurement decisions. Our technical expertise, customer support, and global capabilities put us in a unique position to address your biggest challenges, and we’ll do our best to prove that we should be your abrasive supplier of choice.

All fields are required unless indicated optional

*First Name
*Last Name
*Company
*Company Address
*Contact Phone
*Email Address
*Country/Region
*City
State/Province
*Zip Code
*Number of Abrasive Discs or Wheels You Plan to Purchase
*Total Number of Operators in your shop
Subscribe to our mailing list
3M takes your privacy seriously. 3M and its authorized third parties will use the information you provided in accordance with our Privacy Policy to send you communications which may include promotions, product information and service offers.

Please be aware that this information (including the original and the subsequent reply) may be transferred to a server located in the U.S. for metrics and storage. If you do not consent to this use of your personal information, please do not use this system.
Send

For industrial/occupational use only. Not for consumer sale or use.

3M industrial and occupational products are intended, labeled, and packaged for sale to trained industrial and occupational customers for workplace use. Unless specifically stated otherwise on the applicable product packaging or literature, these products are not intended, labeled, or packaged for sale to or use by consumers (e.g., for home, personal, primary or secondary school, recreational/sporting, or other uses not described in the applicable product packaging or literature), and must be selected and used in compliance with applicable health and safety regulations and standards (e.g., U.S. OSHA, ANSI), as well as all product literature, user instructions, warnings, and other limitations, and the user must take any action required under any recall, field action, or other product use notice. Misuse of 3M industrial and occupational products may result in injury, sickness, death, or property damage. For help with product selection and use, consult your on-site safety professional, industrial hygienist, or other subject matter expert.