Bosch AVZ 90 RT4 sanding plates 90 mm
Product description
If you often tackle messy prep work like mortar cleanup and paint removal, these Bosch sanding plates are built for the job. The Bosch 1x Expert AVZ 90 RT4 Sanding Plates use carbide technology for long lasting performance and a secure Starlock style fit that helps deliver efficient power transfer. With a 90 mm working size and grit 40, they are suited to coarse sanding where you want fast material removal and a clean finish. 🔧
Key features

Bosch designed these EXPERT sanding plates for long lasting sanding, using carbide technology to help maintain performance over time. The mount is described as a Starlock mount, which is intended for optimum power transfer, so you can get effective results without wasting effort. Blade change is designed to be convenient, with Bosch stating it can be done within 3 seconds.


These plates are especially useful when you need coarse abrasion to remove mortar, and they are also described as being strong at removing old paint. Stiff plates can help when you are working on details like edges and bumps on wood, where flexible sanding pads can feel less controlled. 🪵

It is also a practical accessory for multitool users who want consistent performance across repetitive jobs. If you value durability and straightforward swapping, this style of plate is built around that routine workflow.
Tech specs



- Name: Bosch EXPERT Sanding Plate AVZ 90 RT4 Multitool Blade
- Type: Sanding plate for multitool
- Size: Ø 90 mm
- Grit: 40
- Material: Carbide technology
- Compatibility: Starlock mount
What stands out

The standout idea here is durability built in, with Bosch carbide technology aimed at long lasting sanding results. That matters most when you are repeatedly sanding tough surfaces or doing frequent prep work where plates can wear quickly. ✅


The plate is also described as suited to coarse sanding to remove mortar, so you can move on with your next step faster. For paint stripping or surface prep, it is positioned as particularly good at removing old paint.

Because these plates are stiff, they are also described as useful for removing edges and bumps from wood. That makes them a sensible choice when you are cleaning up transitions, tidying rough sections, or bringing the surface back into shape before finishing. 😊
Who it’s for

It’s a good fit if you have a compatible Bosch Starlock style multitool and you regularly deal with coarse sanding tasks like mortar removal, paint prep, and stubborn spots on wood. It makes sense if you prefer quick blade changes and you want a durable plate designed for longer service. You may want to skip it if your projects are mainly for fine finishing, where you would typically look for a finer grit rather than grit 40.
If you are setting up a practical tool kit for construction and DIY preparation, these plates cover common everyday needs with a straightforward 90 mm format and coarse cutting grit. It might not be a great match if you require very delicate sanding on highly delicate surfaces, where stiffness and coarse grit could be too aggressive for the job.
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