Description
Product Overview
The Pro-Graad arbor mandrel is a high-quality adapter designed for use with drills, drill presses, and die grinders. It features a 1/4” round shank and 1/2” threads, allowing you to mount wheels with a 4 to 6 inch diameter and a 1/2” center hole. The mandrel includes two extra-wide washers with dentated edges that sandwich wheels securely, enhancing stability and performance. Made from robust materials, this adapter meets ANSI and EU standards, ensuring reliability in demanding industrial and scientific environments. Product dimensions are 2.38 x 1.44 x 0.04 inches, and it weighs 4.16 ounces, making it compact yet durable for various tasks.

Usage
This arbor mandrel is perfect for workshops, manufacturing facilities, and DIY projects where polishing, grinding, or buffing is required. It fits most drills and die grinders with a 1/4” round shank, making it versatile for professionals and hobbyists alike. Use it in automotive repair, metalworking, or woodworking to achieve smooth finishes and precise shaping. The adapter is easy to install—simply insert the shank into your tool and attach the wheels with the provided washers for secure operation.
Why Choose Us
Pro-Graad stands out with its commitment to quality and performance. This arbor mandrel features an integrated design that boosts strength and durability, exceeding industry standards. We use premium materials to ensure long-lasting use and provide a 100% satisfaction guarantee. Our focus on user needs means you get a product that delivers consistent results, whether for heavy-duty industrial applications or precise craft projects.
Key Features
- Integrated design for enhanced strength and durability
- Compatible with drills, drill presses, and die grinders with 1/4” shank
- Includes two large washers with dentated edges for secure wheel mounting
- Transforms tools into buffers, polishers, or grinders for versatile use
- Made from high-quality materials meeting ANSI and EU standards
FAQ
What tools is this arbor mandrel compatible with?
It works with most drills, drill presses, and die grinders that have a 1/4” round shank and 1/2” threads, allowing for easy integration into your existing setup.
What wheel sizes can I use with this adapter?
You can mount wheels with a diameter of 4 to 6 inches and a 1/2” arbor hole, making it suitable for a range of polishing and grinding tasks.
How do I install the arbor mandrel?
Insert the 1/4” shank into your drill or grinder, then place the wheel between the two provided washers and tighten for secure operation.
Is this product durable for industrial use?
Yes, it’s constructed from high-quality materials that exceed ANSI and EU standards, ensuring it withstands rigorous industrial environments.
What is included in the package?
You receive two arbor mandrels, each with extra-wide washers, ready for immediate use in various applications.






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