# CMT Corrugated Back Knife 650x40x8mm HSS 18% W

**URL:** https://aio.lv/en/product--cmt-hr1650408--12576291
**Data updated:** 2026-07-11 23:06 (EEST)
**Category:** Other goods
**Manufacturer:** CMT
**Manufacturer code:** HR1.650.408
**EAN:** 1000001432007
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 96.49 €
**Prices and availability valid until:** 2026-08-11 23:59
**Price without VAT (21%):** 79.74 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--cmt-hr1650408--12576291

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 30.07.2026 | free |
| Pickup points | 04.08.2026 | 1.89 EUR |
| Courier delivery to door | 04.08.2026 | 4.99 EUR |

## Summary description

The CMT corrugated back knife, model HR1.650.408, is a high-quality industrial cutting tool designed for woodworking machinery. Made from HSS 18% tungsten steel, this 650x40x8mm knife offers excellent durability and wear resistance. It is ideal for professional milling and planing applications, ensuring precise material removal and a clean finish on various wood types. Reliable performance for heavy-duty industrial use.

## Long description

The CMT corrugated back knife, measuring 650x40x8mm, is a professional-grade industrial cutting tool engineered for high-performance woodworking machinery. Constructed from premium HSS 18% tungsten steel, this knife is specifically designed to withstand the rigors of heavy-duty milling and planing operations. Its corrugated back design ensures a secure and precise fit within the cutter head, facilitating consistent material removal and a superior surface finish across a wide range of timber species.
Advantages
The primary benefit of this CMT corrugated back knife lies in its high-speed steel composition with 18% tungsten content, which provides exceptional hardness and heat resistance during prolonged operation. This material composition significantly extends the service life of the cutting edge, reducing the frequency of sharpening and downtime. Furthermore, the precision-engineered corrugated profile allows for accurate adjustment and reliable locking, which is essential for maintaining safety and quality in industrial woodworking environments.
Suitable for
Industrial planing and milling machines
Processing hardwood and softwood
Heavy-duty woodworking production lines
Custom profile shaping and surface finishing
When it may not be suitable
This knife is not intended for use in handheld power tools or small-scale hobbyist equipment. It requires specific industrial cutter heads compatible with corrugated back systems and is not suitable for cutting metal, stone, or composite materials containing abrasive fillers.
Key specifications
Dimensions: 650mm length, 40mm width, 8mm thickness
Material: HSS 18% tungsten steel
Design: Corrugated back for secure mounting
Application: Industrial woodworking machinery
How to use
Installation must be performed by qualified personnel familiar with industrial woodworking machinery. Ensure the cutter head is clean and free of debris before inserting the knife. Align the corrugated back of the knife precisely with the corresponding grooves in the cutter head to ensure proper seating. Tighten the clamping bolts according to the manufacturer's torque specifications for the machine. Always verify that the knife is securely locked and that the cutting diameter is correctly set before starting the machine.
What to consider before purchase
Verify the compatibility of your cutter head with 8mm thick corrugated knives
Ensure the 650mm length matches your machine's requirements
Check the machine's maximum RPM ratings
Confirm the suitability of HSS 18% steel for your specific wood type
Usage recommendations: Regularly inspect the cutting edge for signs of wear or chipping. Use appropriate dust extraction systems to prevent resin buildup, and always perform test cuts on scrap material after every knife change to ensure optimal performance and safety.

## FAQ

### How much does the CMT Corrugated Back Knife HR1.650.408 cost, and is it available for purchase?

The price is 96.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 4 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 30.07.2026 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 CMT Corrugated Back Knife HR1.650.408 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 CMT 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 CMT 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/12576291/68943772_large.webp