The GKS 18V‑51
Bosch GKS 18V‑51 Cordless Circular Saw Bare Tool integrates Bosch’s latest brushless technology. Purpose‑built electronics monitor current draw, maintaining blade or bit speed even when the tool is driven hard through dense material. The balanced chassis, fabricated from a magnesium‑reinforced composite, reduces overall mass without compromising structural integrity.
Consequently, extended roof work or awkward, overhead cuts impose less strain on shoulders and wrists. **
Engineered details that elevate productivity
A precision‑milled gearbox engages seamlessly, translating every watt of battery energy into controlled linear or rotary motion. KickBack Control, coupled with an electronic brake, halts the accessory almost instantaneously, helping avert accidental damage to workpieces and injury to the operator.
Belonging to the ever‑expanding Bosch Professional 18‑volt platform, the tool accepts any ProCORE or standard Li‑ion pack. Swap a fully charged battery from your drill into this unit and continue cutting without a forced break while chargers catch up. An integrated LED floodlight, teamed with an intelligent chip‑blowing channel, preserves a clear sightline so you can follow the pencilled layout with surgical confidence.
Unlike brushed alternatives, the sealed, sensor‑driven motor sheds heat efficiently and contains no consumable carbon contacts, eliminating periodic overhauls. If you demand sweeping versatility, uncompromising safety features, and runtime that keeps pace with tight commercial schedules, this circular saw belongs in your kit.
With the right blade or accessory fitted, it delivers clean, repeatable results across timber, plastics, mild steel and more.
Key Features:
- Brushless motor delivers corded‑like 1800 W power
- 140 mm blade cuts 51 mm at 90 degrees
- 5 800 rpm no‑load speed for clean edges
- Tool‑free depth and bevel adjustment 0–50°
- Electronic brake stops blade in seconds
- Robust base plate resists bending
- LED light and blower keep the line visible
- Compatible with Bosch guide rail system
- Dust extraction port connects to vacuums
- Bare tool accepts all Bosch 18 V batteries
Technical Specifications:
| Specification | Value |
|---|---|
| Battery voltage | 18 V |
| No‑load speed | 5 800 rpm |
| Blade diameter | 140 mm |
| Cutting depth 90° | 51 mm |
| Bevel capacity | 0–50° |
| Weight excl. battery | 2.2 kg |
| Warranty | 3 years with registration |

