
Mobile precision cutting with the FSK 420 cross-cutting guide rail for fast, accurate and repeatable site work.
18V Cordless • 160mm Blade • FSK 420 IncludedThe Festool HKC 55 KEB-Basic-FSK 420 cordless circular saw is designed for professionals who need accurate, repeatable cuts wherever the job takes them. Ideal for roofing, timber framing and general construction work, it combines cordless mobility with Festool's precision cross-cutting system.
Its brushless EC-TEC motor delivers a no-load speed of 5,200 min⁻¹ for fast and efficient cutting. The included FSK 420 cross-cutting guide rail transforms the saw into a mobile cross-cutting system, allowing precise, repeatable straight and angled cuts directly on site.
KickbackStop helps reduce the risk of injury caused by kickback, while the guide wedge, pendulum hood remote control and spring-assisted plunge function support controlled handling. Thin-kerf saw blades help improve cutting efficiency and battery runtime for demanding daily applications.
| Battery Voltage | 18 V |
| Idle Speed | 5,200 min⁻¹ |
| Saw Blade Diameter | 160 mm |
| Angular Range | 0° – 50° |
| Cutting Depth at 90° | 0 – 55 mm |
| Cutting Depth at 45° / 50° | 42 / 38 mm |
| Dust Extraction Connection | 27 / 36 mm |
| Drive Type | Battery |
| Cutting Length | 420 mm |
| Angle Range | -60° to +60° |
| Guide Rail Weight | 1.26 kg |
| Sound Pressure Level, LpA | 91 dB(A) |
| Sound Power Level, LWA | 99 dB(A) |