Drilax
Flapper Adapter 5/8"-11 to 1/4" Collet – Angle Grinder to Die Grinder, Made in USA
Flapper Adapter 5/8"-11 to 1/4" Collet – Angle Grinder to Die Grinder, Made in USA
Made-in-USA 303 stainless steel adapter that turns a 5/8"-11 angle grinder into a 1/4" collet die grinder.
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- Free shippingContiguous U.S., no minimum
- Ships in 1–2 daysUPS, USPS or FedEx
- 30-day returnsSee return policy
Questions about fit or sizing? Email sales@drilax.com
The Flapper Adapter threads onto any standard 5/8"-11 angle grinder spindle and gives it a 1/4" collet, so you can run carbide burrs, flap wheels, sanding drums and polishing wheels without buying a separate die grinder. It is precision-machined from solid 303 stainless steel in the USA for balanced, low-vibration use in tight spaces and detail work.
Benefits
Angle Grinder to Die Grinder: One adapter adds 1/4" collet tools to the grinder you already own.
303 Stainless Steel: Solid, wear-resistant build for shop and jobsite use.
Precision Machined: Balanced to reduce wobble for controlled grinding, deburring and polishing.
Fast Install: Standard 5/8"-11 thread fits most North American angle grinders.
Made in USA: Precision-crafted in the USA for a consistent fit.
Lifetime Warranty: Backed for life.
Key Features
Key Features
- Angle Grinder to Die Grinder: Converts a 5/8"-11 angle grinder into a 1/4" collet tool.
- 1/4" Collet: Fits carbide burrs, flap wheels, sanding drums and polishing wheels.
- 303 Stainless Steel: Solid, wear-resistant build.
- Low Vibration: Precision-machined for balance at grinder speeds.
- Made in USA: Precision-crafted for a consistent fit.
- Lifetime Warranty: Backed for life.
Compatible Materials
Compatible Materials
- Grinders: Angle grinders with a standard 5/8"-11 spindle.
- Accessories: 1/4" shank carbide burrs, flap wheels, sanding drums, polishing wheels and cutoff wheels.
- Materials: Steel, stainless steel, aluminum and other metals.
- Users: Welders, fabricators, repair shops and DIY metalworkers.
How To Use
How To Use
- Unplug First: Disconnect the grinder or remove the battery and take off the guard nut and wheel.
- Thread It On: Screw the adapter onto the 5/8"-11 spindle and tighten it fully.
- Mount the Accessory: Insert the 1/4" shank as deep as it will go and tighten the collet securely.
- Check the Speed Rating: Use only accessories rated at or above your grinder's no-load RPM.
- Work Safely: Wear eye and face protection and keep both hands on the grinder.
Use Cases
Use Cases
- Weld Cleanup: Smooth and blend welds with carbide burrs or flap wheels.
- Deburring: Clean edges and holes on metal parts.
- Surface Prep: Sanding drums and discs for rust and paint removal.
- Polishing: Polishing and felt wheels for finishing stainless and aluminum.
- Tight Spaces: Reach detail areas a full-size wheel cannot.
Technical Specifications
Technical Specifications
- Grinder Thread: 5/8"-11 (standard North American angle grinder spindle)
- Collet: 1/4 inch, for 1/4" shank accessories
- Material: 303 stainless steel
- Size: About 2 x 1 x 1 inches
- Made in: USA
- Warranty: Lifetime
- In the Box: 1 flapper adapter
F.A.Q.
F.A.Q.
Q: Will it fit my angle grinder?
A: It fits angle grinders with the standard 5/8"-11 spindle thread, which is used on most angle grinders sold in North America. Check your grinder's spindle thread before ordering.
Q: What accessories can I use?
A: Any accessory with a 1/4" shank, such as carbide burrs, flap wheels, sanding drums and polishing wheels.
Q: Is it better than buying a die grinder?
A: It lets you do die-grinder work with the angle grinder you already own, so you don't need to buy and store another tool.
Q: What is it made of?
A: Solid 303 stainless steel, precision-machined in the USA.
Q: Does it come with a warranty?
A: Yes. The Flapper Adapter has a lifetime warranty.
Q: Do I need to check accessory speed ratings?
A: Yes. Angle grinders run fast, so use only accessories rated at or above your grinder's no-load RPM.
Shipping & Returns
Shipping & Returns
Orders ship within 1–2 business days via UPS, USPS, FedEx or our logistics partners. Shipping is free to the contiguous U.S. (48 states + DC) on every order, no minimum. We do not ship to Alaska, Hawaii, Puerto Rico, APO/FPO addresses or outside the U.S.
Returns are accepted within 30 days. See our Refund Policy.
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