Bosch F016800258 replacement saw chain

The Bosch F016800258 replacement saw chain is designed for use with Bosch AKE 40 series electric chainsaws, including models 40 S, 40-17 S, 40-18 S and 40-19 S. With a chain gauge of 1.1 mm and an overall cutting length of 400 mm, this replacement chain restores cutting performance for light to medium garden pruning and woodcutting tasks. The chain provides consistent tooth geometry to maintain cutting precision and is manufactured to fit OEM guide bars and sprockets used on the compatible Bosch models.

Advantages

The chain offers correct fitment for the listed Bosch AKE 40 family models, ensuring straightforward replacement without modifications. Its 1.1 mm gauge and 400 mm length are matched to the original equipment specifications to preserve cutting accuracy and drive engagement. The product is produced to maintain consistent tooth spacing and hardness, which supports predictable cutting behavior and reduces the need for frequent adjustments when properly installed and maintained.

Suitable for

Key specifications

How to use

Before installation, disconnect the chainsaw from the power source. Remove the guide bar cover and take off the old chain, noting the routing around the sprocket and bar groove. Fit the replacement chain onto the guide bar and engage the drive links into the sprocket, ensuring the cutting teeth point forward on the top of the bar. Reinstall the guide bar cover and adjust chain tension according to the chainsaw manufacturer's instructions so that the chain sits snugly in the bar groove but can still be turned by hand. After installation, inspect lubrication and perform a short test cut in scrap material to confirm correct installation and tension.

Recommendations

Use appropriate personal protective equipment (gloves, eye protection, hearing protection and protective clothing) and ensure the chain is kept sharp and lubricated with the correct bar and chain oil. Regularly inspect the chain for damage, replace if teeth are chipped or excessively worn, and follow Bosch maintenance guidelines for safe operation and prolonged service life.