Woodworking Materials, Supplies, and Tools from Cherry Tree Toys

Cherry Tree Toys

Flat Head Mandrel 1/4" Shank

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0.20 LBS
  • A view of the Foredom Flat Head Mandrel 1/4" Shank with a washer and nut on the threaded shaft.
  • A side profile of the black flat head mandrel.


When choosing a screw-type mandrel for your project, it is important to make sure it fits securely and accurately. First, you'll want to ensure that the arbor hole of your accessory matches the screw capacity of the mandrel.

Then, you'll need to ensure that the mandrel's shank diameter is compatible with your handpiece collet (or chuck). Having a properly fitted mandrel will assure safety and increase precision as your accessory runs more smoothly and accurately. Taking these measures lets you rest assured knowing that all components will fit together perfectly.

Using any kind of accessory and mandrel, it is important to consider the type and size of each before determining a suitable speed. Our recommendations are based on a 1" overhang with an accessory that weighs under 1 gram and is smaller than 1/2" in diameter - however, larger accessories and mandrels tend to require slower speeds as too much vibration can lead to breakage.

Generally speaking, the smaller the sizes of your accessories and mandrels, the faster you can work with them. To ensure safety and optimal results, follow the instructions provided with your accessories that you are using.

Flat Head Mandrel 1/4" Shank Features

The A-M30 & A-M31 mandrels, both featuring a 1/4" shank Mandrel Screw Type, are necessary for securing 2" velcro hook sanding heads with 3/8" arbor holes onto the Foredom handpieces.

With an overall length of 1 5/8", these mandrels are designed to guarantee maximum safety and ease when undertaking detailed sanding projects, allowing the user to work at up to 25,000 RPMs while minimizing any risk of damage.

Perfect not just for intricate detail work but also great at giving hard-to-reach areas an even finish, this is your go-to tool for confidently completing exacting applications.

Flat Head Mandrel 1/4" Shank Specifications

  • This Flat Head Mandrel has a 1/4" shank.
  • The arbor hole capacity is 3/8 inch.
  • Its head diameter is 3/4 inch
  • The overall length of the M-30 is 1 5/8 inch.

This is a Flat Head Mandrel 1/4" Shank for Cup Wheels & Bristle Discs

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