# Chain File CARLTON round 4 mm for saw chains, model OO-CAR21C1840

**URL:** https://aio.lv/en/product--carlton-oo-car21c1840--11701447
**Data updated:** 2026-03-08 08:47 (EET)
**Category:** Garden Equipment Accessories
**Manufacturer:** CARLTON
**Manufacturer code:** OO-CAR21C1840
**EAN:** 6813555803026
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 23.49 €
**Prices and availability valid until:** 2026-07-29 23:59
**Price without VAT (21%):** 19.41 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--carlton-oo-car21c1840--11701447

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 17.07.2026 | free |
| Pickup points | 22.07.2026 | 1.89 EUR |
| Courier delivery to door | 22.07.2026 | 4.99 EUR |

## Summary description

Round chain file CARLTON, 4 mm diameter, designed for sharpening saw chain cutters. This hand file fits standard round filing procedures for chainsaw maintenance, restoring cutting edges and extending chain life. Suitable for routine sharpening in forestry, gardening, and professional chainsaw servicing; compatible with chains matching a 4 mm file specification.

## Long description

Round chain file CARLTON 4 mm is a hand-held round file designed for sharpening cutters on saw chains. Intended for use with chains that require a 4 mm diameter round file, it restores the original cutting edge geometry, reduces vibration during cutting, and contributes to longer chain life when used correctly. The file is compatible with standard round filing techniques used in forestry, gardening, and professional chainsaw maintenance.
Advantages
The CARLTON 4 mm round chain file offers precise material removal and a consistent radius that matches common cutter profiles. Its hand-friendly shape allows controlled filing motion and steady pressure for even sharpening across multiple teeth. By maintaining cutter geometry it helps preserve cutting efficiency and reduces the frequency of full professional regrinds. The tool is compact, portable, and suitable for on-site maintenance.
Suitable for
Routine sharpening of chainsaw chains with a 4 mm round file specification
Forestry and timber cutting maintenance in the field
Garden and landscape tool upkeep
Professional chainsaw servicing and preventive maintenance
Key specifications
File shape: round
File diameter: 4 mm
Intended use: sharpening saw chain cutters
Operation: hand-held manual filing
Compatibility: chains that specify a 4 mm round file for their cutters
How to use
Secure the chainsaw or remove the chain and place it on a stable surface or guide bar vice. Identify the correct filing angle for the chain’s cutter type and maintain that angle throughout the operation. Use smooth, even strokes from the inside of the cutter toward the outside, applying light, consistent pressure and counting strokes to keep teeth uniform. File every second cutter while rotating the chain to work on each side evenly, then reverse and repeat for the remaining cutters. After filing, check cutter lengths and depth gauges and perform minor adjustments if needed to ensure safe, efficient cutting.
Usage recommendations
Wear cut-resistant gloves and eye protection when sharpening. Keep the file clean and free of debris; replace the tool if the cutting surface becomes worn or damaged. Regular light sharpening with the 4 mm round file is preferable to infrequent heavy filing to maintain chain performance and safety.

## FAQ

### How much does the CARLTON round chain file 4 mm OO-CAR21C1840 cost, and is it available for purchase?

The price is 23.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 45 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 17.07.2026 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. All transactions are 100% secure and encrypted.

### 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 CARLTON 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 CARLTON 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/11701447/67084470_large.webp