# Drill Bit for Mineral Wool RAWLPLUG R-KFS-90/20 (90 mm / 20 mm) - 1 pc

**URL:** https://aio.lv/en/product--rawlplug-r-kfs-9020--12337011
**Data updated:** 2026-04-26 18:51 (EEST)
**Category:** Drill Bits
**Manufacturer:** RAWLPLUG
**Manufacturer code:** R-KFS-90/20
**EAN:** 5906675475127
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 89.99 €
**Prices and availability valid until:** 2026-07-14 23:59
**Price without VAT (21%):** 74.37 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--rawlplug-r-kfs-9020--12337011

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 03.07.2026 | free |
| Pickup points | 08.07.2026 | 1.99 EUR |
| Courier delivery to door | 08.07.2026 | 4.99 EUR |

## Summary description

RAWLPLUG R-KFS-90/20 is a specialized drill bit designed for drilling through mineral wool insulation. Specified with a 90 mm cutting diameter and 20 mm shank/neck dimension, it is supplied as a single piece. Intended for installers and tradespeople, it enables fast, clean holes for anchors and fixings when fitting insulation systems.

## Long description

RAWLPLUG R-KFS-90/20 is a drill bit specifically developed for creating clean, accurate holes in mineral wool insulation. With a 90 mm cutting diameter and a 20 mm shank/neck dimension, this single-piece tool is made to work with compatible drilling equipment used by installers and tradespeople for fitting anchors and fixings into thermal and acoustic insulation layers.
Advantages
The design concentrates on fast penetration and minimal disturbance of the fibre structure to produce neat circular openings suitable for anchor sleeves and insulation fixings. The 90 mm cutting diameter allows for a consistent hole size while the 20 mm neck provides stable connection to the drill, reducing wobble during operation. Supplied as one unit, it is ready for immediate use and simplifies on-site logistics.
Suitable for
Drilling circular holes in mineral wool or similar fibrous insulation boards.
Preparing openings for insulation anchors, sleeves and large-diameter fixings.
Use by installers, facade fitters and construction trades during insulation installation or renovation.
Creating pass-throughs for services where neat, precise apertures are required in insulation layers.
When it may not be suitable
This drill bit is intended specifically for use in mineral wool and similar insulating materials; it is not designed for masonry, concrete, metal or dense wood. Using it on harder substrates can damage the tool, reduce cutting efficiency and produce poor results. Ensure the drill and chuck capacity match the 20 mm neck before attempting to use the bit.
Key specifications
Cutting diameter: 90 mm
Shank/neck dimension: 20 mm
Material suitability: mineral wool and fibrous insulation
Quantity: 1 piece
How to use
Fit the R-KFS-90/20 into a compatible drill or drive system that accepts a 20 mm shank and ensure the chuck or adapter is tightened securely. Position the bit perpendicular to the insulation surface and apply steady, even pressure while drilling to maintain a clean cut and avoid tearing fibres. Operate at an appropriate rotational speed recommended for insulation materials; withdraw the bit periodically if necessary to clear cut material. After drilling, inspect the hole for clean edges and remove loose fibres before installing anchors or fixings.
What to consider before purchase
Confirm the bit’s 90 mm diameter matches the required opening size for your anchors or sleeves.
Verify your drill or adapter supports a 20 mm shank for secure mounting.
Check that your application involves mineral wool or equivalent fibrous insulation rather than masonry or metal.
Usage recommendations
For best results, use steady low-to-moderate drill speed and avoid side loads. Store the bit in a dry place to prevent corrosion and inspect before use for any signs of wear or damage that could affect cut quality.

## FAQ

### How much does the Drill Bit RAWLPLUG R-KFS-90/20 for Mineral Wool cost, and is it available for purchase?

The price is 89.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 35 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance.

### If I order this product today, when will I receive my order?

If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on 03.07.2026 at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation.

### What payment options are available?

AiO.lv offers several payment methods: Bank transfer, Bank cards on-line, Apple Pay, Google Pay, Installment. All transactions are 100% secure and encrypted.

### Can Drill Bit RAWLPLUG R-KFS-90/20 for Mineral Wool be purchased with a lease?

Yes, the purchase is available both on credit and with an interest-free installment plan. Learn more about installments and credit options: https://aio.lv/en/payment#b3

### Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

### What is the warranty period?

All RAWLPLUG products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized RAWLPLUG service centers and through AiO.lv

### Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

### Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. More information about warranty service: https://aio.lv/en/warranty

## Image

https://aio.lv/img/cache/product/12337011/68268159_large.webp