Description
xGrinding disc, 406 mm diameter, silicon carbide – low-dust grinding with professional-grade quality
Our high-quality 406 mm diameter silicon carbide grinding discs are the ideal solution for virtually dust-free grinding during fine and intermediate grinding operations. Available in 7 grits from K40 to K180 in a convenient pack of 20 —the right grit for every professional grinding task. Shipping directly from the manufacturer-importer, we often offer prices 30% lower than German brand manufacturers while providing comparable or superior quality.
💡 Important: Sanding screens require a compatible backing pad. You can find the right Superpads and backing pads here.
⚡ Why abrasive grids? The key advantage over traditional grinding wheels
Grinding screens are the professional choice for low-dust operations. The open-cell mesh structure allows the generated grinding dust to be carried away through the screen—rather than becoming trapped in the abrasive and shortening its service life. This offers three key advantages:
- Virtually dust-free sanding — a healthier work environment and a cleaner job site
- Longer service life — the abrasive does not clog
- A more uniform finish — precise, uniform surfaces
When used in combination with an industrial vacuum cleaner attached to the single-disc sander, you can achieve sanding results that would not be possible with traditional sanding discs—up to 95% less sanding dust in the air.
🔁 Can be used on both sides — maximum cost-effectiveness
Our sanding screens can be used on both sides: When one side is worn out, simply flip the screen over and continue working with the other side. This doubles the service life of each screen and significantly reduces your material costs. Ideal for large-scale projects where cost-effectiveness and efficiency are key.
🔵 Premium silicon carbide — sharp-edged and high-performance
Our abrasive grids are made from high-quality synthetic silicon carbide, which is characterized by exceptional sharpness and hardness. Unlike standard corundum, silicon carbide cuts through even tough, hard materials—making it particularly suitable for:
- Mineral-based materials: stone, concrete, plaster, screed, joint compound
- Coatings: Paint, varnish, primer, filler
- Wood-based materials: hardwood flooring, floorboards, solid wood, cork flooring
- Interior finishing: wall and ceiling surfaces, drywall
📊 The right grit for every step
Our range of sanding screens includes 7 grit sizes, from K40 to K180 —select the right one using the variant selector:
- K40 (Coarse–Medium-Coarse): Sanding for parquet renovation and heavily used wood floors — removes old varnish residue and evens out coarser sanding marks, ideal preparation for finer grits
- K60 (medium-coarse): Intermediate sanding after coarse pre-sanding — removes sanding marks and smooths out coarser irregularities
- K80 (Medium): Standard intermediate grit for parquet and stone finishing
- K100 (Fine): Fine sanding before sealing, painting, or coating
- K120 (Fine): Preparatory fine sanding for high-quality wood floors — also ideal for low-dust dry sanding
- K150 (Extra-fine): Very fine grit for elegant finishes — perfect for intermediate sanding with water-based AQUA sealants
- K180 (Extra-fine): Final finishing sanding before sealing — ensures perfectly smooth, high-quality surfaces
💡 Pro tip: When using water-based sealants (e.g., AQUA paints), intermediate sanding with a K150 or K180 sanding grid is essential—it ensures the necessary adhesion between the paint layers.
⚠️ Important: Always use the sanding grid with a backing pad
Sanding screens are not placed directly on the machine plate —they require a suitable backing pad as a base. The backing pad ensures even pressure distribution, protects the machine plate, and is essential for achieving the optimal sanding angle. We recommend:
- Black Standard Pad or Super Pad: Standard backing pad for most applications
- Green Normal Pad: An alternative for lighter applications and hardwood floors
You can find the right backing pads in our Superpads range for 406-mm single-disc machines.
🔧 Technical Specifications — Everything at a Glance
- Diameter: Ø 406 mm (16 inches)
- Abrasive grain: Premium silicon carbide
- Backing: Open-cell mesh structure with hook-and-loop-compatible nonwoven fabric
- Binding: High-quality synthetic resin binding
- Coating: Reversible — twice the service life
- Grit range: K40 to K180
- Packaging unit: 20 pieces per pack
- Mounting: On a mounting pad (Velcro or mechanical)
🛠️ Compatible with all standard single-disc machines
Our 406-mm sanding discs—when used with the appropriate backing pad—fit all single-disc machines with a 16-inch mount. Here is a selection of compatible machines:
- MENZER: ESM 406 and other single-disc machines
- Bona: Buffer, FlexiSand 1.5, and similar models
- Wolff: Flamenco, Jive, Mambo EVO, Samba, Tango
- FG: Hurricane
- Lägler: Single
- Janser: Columbus 135/145/155 SH, Speetronic
- Kuenzle & Tasin and many other professional machines
🎯 Typical applications
Sanding screens are extremely versatile and are a standard part of every professional's toolkit:
- Parquet & Plank Sanding: Intermediate sanding between coats of finish — a mandatory step for high-quality sealing
- Drywall Walls and Ceilings: Smoothing Joint Compound, Preparing for Painting
- Concrete and stone floors: Fine grinding after rough grinding using dual-disc grinders
- Sealant Renovation: Sanding Down Old Paint Surfaces for Repainting
- Premium Hardwood Flooring Projects: Ultra-Fine Sanding (K150/K180) for the Highest Surface Quality
- Industrial Flooring: Factory Buildings, Warehouses, and Commercial Buildings
💲 Direct from the manufacturer-importer — Professional quality at fair prices
As a manufacturer and importer, we produce our products in our own factories and ship them directly to Germany without any middlemen. This has consistently allowed us to offer prices that are 30% lower than those of German brand manufacturers, while maintaining comparable or even higher quality. We already supply well-known specialty retailers in southern Germany—a clear sign of confidence in the quality of our products.
👍 Who are our grinding grids designed for?
- Parquet and Floor Installers: Essential for high-quality final and intermediate sanding when applying finishes
- Drywall Installers & Painters: Low-Dust Sanding of Walls, Ceilings, and Drywall Compound
- Renovation and Remodeling Companies: Versatile Abrasive for All Substrates
- Industrial facilities: 20-liter bulk containers for continuous use with regular consumption
- Professional DIYers: Available in small quantities — no minimum order
- Wholesalers & Resellers: Attractive B2B terms available upon request
❓ Frequently Asked Questions About Grinding Grids
What is the difference between a grinding grid and a grinding wheel?
A sanding mesh has an open grid structure—sanding dust can be carried away through the mesh (particularly effective when used with a dust extraction system). A traditional double-sided sanding disc is closed—dust adheres to the abrasive, which shortens its service life. Sanding meshes are therefore the better choice when low-dust operation or a long service life is important.
Do I really need a carrying pad?
Yes, absolutely. Sanding grids should never be clamped directly onto the machine plate. The backing pad ensures even pressure distribution, protects the machine plate, and is essential for achieving the proper sanding finish. We recommend a black standard pad or Superpad—you can find the right pads in our Superpads range.
What grit size should be used for intermediate sanding on hardwood floors?
The standard grit for intermediate sanding between coats of paint is 120 to 180 — for water-based sealants, it is usually 150. Grit 100 to 120 is ideal for preparatory sanding before the first coat of sealant. With a final 180-grit sanding, you can achieve a high-quality surface finish even on premium projects.
What grit size is best for low-dust drywall sanding?
K120 or K150 is ideal for smoothing spackling compound on walls and ceilings—fine enough to produce an even finish, yet still powerful enough to eliminate unevenness in the spackling.
Can I use sanding screens on concrete and stone floors?
Yes, silicon carbide abrasive grids are specifically designed for mineral-based materials. They are typically used after rough grinding with double-sided grinding discs to smooth the surface and prepare it for coating.
Just how dust-free is the work really?
When used in combination with an industrial vacuum cleaner connected to the single-disc machine, up to 95% of the sanding dust can be extracted directly. This means significantly less cleaning work and, above all, a much healthier work environment.
Are the sanding screens really reversible?
Yes—both sides of our grinding screens are fully grindable. If one side is worn out or clogged, simply flip the screen over and continue working with the other side. This doubles the effective service life of each screen.
How quickly will my order be delivered?
All standard grit sizes are available from our warehouse in Taufkirchen (near Munich) and are typically shipped within 24 hours via DHL or Hermes.
Do you also offer bulk containers or special grit sizes?
For large-scale projects or special requests, please feel free to contact us directly. As a manufacturer and importer, we can respond flexibly to individual needs.
📦 Package Contents & Shipping
1 pack of sanding grids, 406 mm diameter, in the selected grit size (20 pieces per pack). Shipped from our warehouse in Taufkirchen (near Munich) within 24 hours via DHL or Hermes. Free shipping within Germany on orders of €200 or more; within the EU and Switzerland on orders of €299 or more.
Für den Einsatz benötigen Sie ein weißes Polierpad 406mm als Träger. Mehr Infos: Gitterschleifscheiben Siliziumkarbid 406mm
Shipping conditions
xShipping conditions
Shipping service provider
Depending on the size of the package and the delivery address, shipping is handled reliably by our logistics partners DHLor Hermes.
This ensures that your order arrives quickly, safely, and efficiently.
Shipping area
We ship to all EU member states, including Switzerland*
Costs
Depending on the order value, the following shipping costs apply:
within Germany:
up to 199,00 € order value: shipping costs 6,99 €
From 200,00 € order value the delivery isfree of charge
EU member states, including Switzerland*
With an order value of € 299.00 weship free of charge
Or use our shipping calculator in the shopping cart
Means of payment
Credit card (Visa, Mastercard, Maestro)
PayPal
Klarna
Sofort
* Note regarding shipments to Switzerland and third countries outside the European Union:
For orders with a value of 1,000 EUR or more (value limits depend on the destination country), formal customs clearance is required (electronic export declaration).
Please contact us before completing your order so that we can provide you with an estimate of the expected customs and clearance costs.
refund policy
xrefund policy
Cancellation policy for online mail order sales of abrasive materials:
Right of withdrawal
You have the right to cancel this contract within fourteen days without giving any reason. The revocation period is fourteen days from the day
on which you or a third party named by you, who is not the carrier, has or has taken possession of the goods, provided that you have ordered one or more goods as part of a single order and these are or will be delivered uniformly;
on which you or a third party named by you, who is not the carrier, have taken possession of the last goods, provided that you have ordered several goods as part of a single order and these are delivered separately;
on which you or a third party named by you, who is not the carrier, have taken possession of the last partial shipment or the last piece, if you have ordered goods that are delivered in several partial shipments or pieces.
To exercise your right of withdrawal, you must contact us at RIWO COMMERCE
Mohnweg 5
85375 Neufahrn
Phone: 08165 66634
Email: info@riwo-commerce.com
of your decision to withdraw from this contract by an unequivocal statement (e.g. a letter sent by post, fax or e-mail). You can use the attached sample withdrawal form, but this is not mandatory.
To comply with the withdrawal period, it is sufficient for you to send the notification of the exercise of the right of withdrawal before the expiry of the withdrawal period.
Consequences of withdrawal
If you withdraw from this contract, we shall reimburse to you all payments received from you, including the costs of delivery (with the exception of the supplementary costs resulting from your choice of a type of delivery other than the least expensive type of standard delivery offered by us), without undue delay and in any event not later than 14 days from the day on which we are informed about your decision to withdraw from this contract. For this repayment, we will use the same means of payment that you used for the original transaction, unless expressly agreed otherwise with you; in no case will you be charged any fees for this repayment.
We may refuse repayment until we have received the goods back or until you have provided proof that you have returned the goods, whichever is the earlier.
You must return or hand over the goods to us immediately and in any case within fourteen days at the latest from the day on which you inform us of the revocation of this contract. The deadline is met if you send the goods before the period of fourteen days has expired.
You shall bear the direct costs of returning the goods.
End of the cancellation policy
Sample withdrawal form (complete and return only if you wish to withdraw from the contract):
To [your company name]
[your address]
[Your e-mail address]
[Your telephone number]
I/we () hereby revoke the contract concluded by me/us () for the purchase of the following goods ()/the provision of the following service ()
Ordered on ()/received on ()
Name of the consumer(s)
Address of the consumer(s)
Signature of the consumer(s) (only for notification on paper)
Date
(*) Delete as appropriate.
Please make sure that the withdrawal policy is clearly visible on your website before the customer completes the purchase. The use of the model withdrawal form is optional, but it can help the customer to exercise the withdrawal properly. Please note that for reasons of hygiene and safety, only unused goods can be accepted for the withdrawal of abrasive materials.
Frequently Asked Questions
For which machines are the 406 mm mesh grinding discs suitable?
These discs fit all standard single-disc machines and floor grinders with a 406 mm drive plate, such as Lägler, MENZER, Bona, Wolff, and Columbus. Please check the plate diameter before purchasing.
What is the advantage of a grinding grid over a standard grinding wheel?
The open mesh design prevents the abrasive from clogging—dust and debris fall through the mesh, keeping the sanding surface clean and even. As a result, the service life is significantly longer when working with dusty materials such as concrete, plaster, or joint compound than with solid discs.
What materials are silicon carbide wire-cut discs suitable for?
These discs are particularly suitable for mineral substrates such as screed, concrete, granite, and marble, as well as for plaster, joint compound, and adhesive. They can be used on both sides, making them particularly cost-effective.
Can the discs be used on both sides?
Yes, both sides of the sanding grid are coated with silicon carbide. When one side is worn out, simply flip it over and continue working at full sanding power—this doubles the service life of each disc.
What grit size do you recommend for screed and concrete?
For the initial grinding of screed or concrete, we recommend K16–K24; for intermediate grinding, K36–K60; and for surface preparation prior to sealing, K80–K100.
How long is the delivery time?
We ship from our warehouse in Taufkirchen near Munich within 24 hours via DHL or Hermes. Delivery within Germany takes 1–3 business days.
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