MAFELL KSS 40 18M bl is a professional cordless cross-cut system designed for demanding installation, interior finishing and woodwork. Modern 18 V battery technology combines the renowned precision of the MAFELL KSS system with the freedom of cordless work.
The compact brushless motor is efficient, durable and maintenance-free. With a no-load speed of 6700 rpm the KSS 40 18M bl delivers controlled, powerful cutting in various materials.
With the guide, the maximum cutting depth is 40 mm at 0° and 27 mm at 45°. Without the guide you can cut up to 42 mm deep. The maximum cutting length is 300 mm.
KSS 40 18M bl is designed as a 5-in-1 systemthat can be used for:
Shadow and expansion gaps can be cut from 13 mm. The system suits panel materials, doors, worktops, parquet, laminate and solid wood.
The integrated quick-release mechanism lets you remove the saw from the guide quickly and use it as a standalone hand-held circular saw with MAFELL K-series functions.
This makes the KSS 40 18M bl especially practical for installation work where you need to switch quickly between cutting methods.
The adjustable guide system allows precise mitre cuts. One stop is fixed and the other can be adjusted precisely using the large scale.
The saw tilt angle is 0–45° and mitre cuts can be set from -60° to +45°.
For longer guided cuts, KSS 40 18M bl can be used with the Flexi-Guide FX 140 guide. The roll-up guide allows precise cuts up to 1.4 m long.
KSS 40 18M bl belongs to the Cordless Alliance System (CAS) . This lets you use compatible batteries and chargers across many different professional cordless tools.
The official specification lists the battery for this version as 18 V, 99 Wh LiHD.
| Parameter | KSS 40 18M bl |
|---|---|
| Battery voltage | 18 V |
| Battery technology | LiHD |
| Battery capacity | 99 Wh |
| No-load speed | 6700 rpm |
| Cutting length | 300 mm |
| Cutting depth 0° with guide | 0–40 mm |
| Cutting depth 45° with guide | 0–27 mm |
| Cutting depth 0° without guide | 0–42 mm |
| Tilt angle | 0–45° |
| Mitre cuts | -60° to +45° |
| Weight with guide | 3.6 kg |