Astro Onyx 219 Straight and Angle Die Grinder Kit
The Astro Onyx 219 groups two grinder layouts with an eight-piece carbide burr set. The straight 201 and right-angle 204 have different listed speeds, making the individual tool and accessory ratings important when moving an attachment between grinders.
Specifications and included details
- 201 composite-body 1/4-inch straight die grinder, listed at 25,000 RPM.
- 204 composite-body 1/4-inch 90-degree grinder, listed at 20,000 RPM.
- 2181 eight-piece double-cut carbide rotary burr set; case listed.
Before ordering
Confirm burr shank acceptance and permissible speed for each grinder and the work material. The three-piece kit designation refers to grouped items, not only three individual burrs. Check model-specific supply requirements before selecting a compressor.
Product questions and answers
Why is it called three-piece if there are eight burrs?
The description groups the kit as the 201 grinder, 204 grinder and 2181 eight-burr set. The burr assortment contains eight individual pieces.
Do both grinders run at the same speed?
No. The straight 201 is listed at 25,000 RPM and the angle 204 at 20,000 RPM. Match accessories to the tool used.
Does double-cut establish use on every material?
No. Confirm cutting suitability and operating speed for the material and burr with the accessory guidance.
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