Bosch Reciprocating Saw Kit GSA18V-125K14A 1-1/4 Inch Brushless 18V (2500 SPM 3-Stage Orbital Action 8.0Ah Battery Demolition Wood Metal Tool Case)
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Bosch GSA18V-125K14A 18V Brushless 1-1/4" Multi-Grip Reciprocating Saw Kit
The Bosch GSA18V-125K14A 18V EC Brushless reciprocating saw kit delivers aggressive demolition and precision slicing across nail-embedded timber, structural lumber, cast iron pipe, and structural steel. Powered by an EC Brushless motor and a CORE18V 8.0Ah High Power battery, this 7.7-lb corded-equivalent reciprocating saw generates 0 to 2,500 SPM with an extended 1-1/4-inch stroke length for rapid stock removal. Featuring 3-stage orbital action selector settings (0-1-2), an internal counterbalance Vibration Control system, an angled-motor multi-grip handle design, and a toolless blade clamp, it ensures minimal user fatigue and versatile control during overhead framing cuts and tight-space plumbing rough-ins.
Best Used For:
- Rough Framing and Demolition: Slicing rapidly through nail-embedded 2x4s, roof rafters, and wall studs utilizing aggressive 3-stage orbital action.
- Mechanical and Plumbing Rough-In: Cutting heavy-gauge iron pipe, copper tubing, PVC drains, and strut channels smoothly in straight, non-orbital mode.
- Overhead and Confined Space Remodeling: Working between narrow 16-inch stud bays and overhead ceiling joists using the balanced angled-motor multi-grip housing.
Key Performance & Safety Features
- 3-Stage Orbital Action Selection: Allows users to toggle between straight stroke cutting for metal and aggressive orbital modes (0-1-2) for ultra-fast wood demolition.
- EC Brushless Motor Drivetrain: Delivers maximum power efficiency, longer motor life, and sustained cutting velocity under heavy mechanical loads.
- Internal Counterbalance Vibration Control: Minimizes reciprocating blade shake to reduce arm fatigue and joint strain during long demolition sessions.
- High-Capacity CORE18V 8.0Ah Power: Equipped with advanced 21700 lithium-ion cells and CoolPack 2.0 heat management for 2X runtime and extended power output.
- Glove-Friendly Toolless Blade Clamp: Quick-action locking collar enables rapid one-handed blade insertion and ejection even while wearing heavy work gloves.
- Adjustable Pivoting Footplate: Extends blade cutting life by engaging fresh teeth along the blade length while maintaining stable workpiece contact.
What's Included
- (1) Bosch GSA18V-125 18V EC Brushless 1-1/4" Stroke Reciprocating Saw
- (1) Bosch CORE18V 8.0Ah High Power Lithium-Ion Battery (GBA18V80)
- (1) Bosch BC1880 18V Fast Battery Charger
- (2) 6" Bi-Metal Reciprocating Saw Blades
- (1) Heavy-Duty Jobsite Carrying Case
Technical Specifications
| Manufacturer | Bosch Power Tools |
| Model Number / Kit SKU | GSA18V-125K14A |
| Product Category | Cordless Reciprocating Saw Kit |
| Operating System Voltage | 18.0 Volts (Bosch 18V / CORE18V System) |
| Motor Architecture | EC Brushless Electronic Motor |
| Stroke Length (SAE / Metric) | 1.25 inches (1-1/4 in / 31.75 mm) |
| Stroke Speed Frequency | 0 - 2,500 Strokes Per Minute (SPM) |
| Orbital Settings | 3-Stage Selector (0 = Straight, 1 = Low Orbital, 2 = High Orbital) |
| Blade Clamping System | Toolless Quick-Release Blade Clamp |
| Vibration Suppression | Internal Counterbalance Vibration Control |
| Bare Tool Net Weight | 7.70 lbs (123.2 oz / 3.49 kg) |
| Physical Dimensions (L x W x H) | 19.0 in x 4.0 in x 8.6 in (482.6 mm x 101.6 mm x 218.4 mm) |
| Included Power Battery | (1) CORE18V 8.0Ah High Power Lithium-Ion Battery (GBA18V80) |
| Charger Model | Bosch BC1880 18V Fast Battery Charger |
Pro-Tip: Switch to straight mode (setting 0) when cutting metal conduit or cast iron pipe to prevent tooth chatter, and switch to orbital setting 2 for maximum clearance speed through thick structural wood framing.
