Bosch UniversalSaw 18V-100

Bosch UniversalSaw 18V-100 is engineered for dependable woodworking precision and clean curve severance. Features 18v lithium-ion, multi-stage orbital action, and tool-free T-shank blade changes for jobsite and home remodeling projects.

  • Max Wood Cut: 4 in. (100 mm)
  • Max Steel Cut: 5/16 in. (8 mm)
  • Stroke Speed: 0–2.600 SPM
  • Bare Tool Weight: 3.5 lbs. (bare tool)

Browse compatible T-shank blades for wood, metal and plastics →

View official Bosch battery packs and dual-voltage rapid chargers →

Key Performance Highlights

  • 4 in. (100 mm)Max Wood Cut
  • 0–2.600 SPMStroke Speed
  • 13/16 in. (20 mm)Stroke Length
  • Top Handle (D-Handle)Grip Style
✓ Verified Field Strengths

Engineering Strengths & Performance Advantages

Advantage 1

High-efficiency motor delivers responsive cutting cadence across softwoods, hardwoods, and metal sheet.

Advantage 2

Tool-free blade clamp accepts universal T-shank blades for fast, secure replacements without wrenches.

Advantage 3

Multi-position orbital pendulum mechanism boosts cutting velocity in thick structural lumber.

Advantage 4

Rigid beveling base plate tilts up to 45° for accurate angled miters and bevel cuts.

Advantage 5

Ergonomic top handle (d-handle) geometry with non-slip rubber grip cushions user hand fatigue.

⚠️ Before You Buy

Workshop Checklist & Buying Advice

  • Bare Tool designation: On merchant listings like Amazon, "Bare Tool" indicates the package includes only the jigsaw itself. Battery packs and charger are sold separately or bundled in kit versions.
  • Universal T-Shank: This tool utilizes standard universal T-shank blades. Older U-shank or universal-hole blades are not recommended.
  • Dust collection: For indoor carpentry and cabinetry remodeling, connect an external 1-1/4" vacuum hose adapter to minimize airborne dust.
Complete Workshop Kit

Everything You Need to Start Cutting with this Jigsaw

To maximize precision and runtime right out of the box, our woodworking editors recommend pairing this saw with contractor-grade blades and matching power accessories.

1. Primary Tool
Bosch UniversalSaw 18V-100
Bosch

Bosch UniversalSaw 18V-100

Bosch UniversalSaw 18V-100 is engineered for dependable woodworking precision and clean curve severance. Features 18v lithium-ion, multi-stage orbital action, and tool-free T-shank blade changes for jobsite and home remodeling projects.

3. 100% Compatible Battery
Bosch CORE18V 4.0 Ah Compact Battery (GBA18V40)
Official Power Platform

Bosch CORE18V 4.0 Ah Compact Battery (GBA18V40)

Genuine Bosch 18V System (AMPShare) lithium-ion battery pack with 4.0 Ah capacity and cell thermal protection.

Bosch UniversalSaw 18V-100: Workshop Positioning & Cutting Capabilities

Bringing dependable jobsite stamina to trim carpenters, the Bosch UniversalSaw 18V-100 showcases Bosch’s mechanical engineering in a versatile Top Handle (D-Handle) configuration. The responsive 18V Lithium-Ion motor ensures that the Bosch UniversalSaw 18V-100 navigates tight turns and compound angles without losing stroke cadence.

Bosch UniversalSaw 18V-100 is engineered for dependable woodworking precision and clean curve severance. Features 18v lithium-ion, multi-stage orbital action, and tool-free T-shank blade changes for jobsite and home remodeling projects.

The Bosch UniversalSaw 18V-100 provides substantial cutting authority with factory ratings of 4 in. (100 mm) in structural timber, 5/16 in. (8 mm) in metal sheeting, and 11/16 in. (16 mm) in light alloys, making it well-suited for framing cutouts, plumbing penetrations, and fine cabinetry scribing.

Verified Factory Specifications & Physical Dimensions

Below are the verified manufacturer specifications and physical parameters for the Bosch UniversalSaw 18V-100:

  • Power Platform: 18V Lithium-Ion
  • Grip Configuration: Top Handle (D-Handle)
  • No-Load Stroke Rate: 0–2.600 SPM
  • Stroke Length: 13/16 in. (20 mm)
  • Cutting Capacity in Wood: 4 in. (100 mm)
  • Cutting Capacity in Steel: 5/16 in. (8 mm)
  • Cutting Capacity in Aluminum: 11/16 in. (16 mm)
  • Bare Tool Weight: 3.5 lbs. (bare tool)
  • Bevel Range: Positive detents at 0°, 15°, 30°, and 45°
  • Blade Shank Standard: Universal keyless T-shank clamp

Motor Architecture & Vibration Damping Dynamics

The Bosch UniversalSaw 18V-100 features Bosch’s benchmark motor engineering rated for continuous duty on 18V Lithium-Ion. Capable of variable stroke rates across 0–2.600 SPM, the motor delivers steady cutting cadence backed by smooth armature balancing that prevents the saw from jumping across delicate scribed lines.

The contoured D-handle housing on the Bosch UniversalSaw 18V-100 gives the operator authoritative two-handed leverage when pushing through heavy structural timber. Micro-textured grip zones reduce hand slip in dusty conditions while dampening reciprocating pulses from the gearcase.

Shoe Base Engineering, Bevel Accuracy & Cut-Line Clarity

The footplate on the Bosch UniversalSaw 18V-100 is cast from rigid alloy with steel inserts to withstand heavy jobsite drops. Tool-free bevel adjustments lock securely at standard 0°, 15°, 30°, and 45° angles. A built-in dust blower keeps the pencil path clear of debris, while the included non-marring sub-base shoe protects pre-finished cabinetry from unsightly scratches.

Keyless Blade Clamp & Orbital Action Settings

Equipped with an automatic blade ejection lever, the Bosch UniversalSaw 18V-100 eliminates the need to touch burning metal after heavy cutting sessions. The heavy-duty jaw mechanism grips standard T-shank blades firmly, preventing vertical slippage under heavy feed force.

A dedicated 4-position orbital action switch on the Bosch UniversalSaw 18V-100 adjusts the aggressive forward thrust of the blade:

  • Setting 0: Vertical reciprocation without orbital swing. Essential for sheet metals, copper tubing, PVC, and chip-free cuts in double-sided melamine veneers.
  • Setting 1: Subtle orbital oscillation. Recommended for dense hardwoods like white oak, hard maple, and birch plywood to balance edge smoothness with cut progress.
  • Setting 2: Medium pendulum swing. The workhorse setting for general softwood framing (2x4, 2x6) and construction lumber.
  • Setting 3: Maximum aggressive orbital thrust. Delivers blistering feed speed for rough dimensioning, timber framing, and demolition work where speed outweighs edge cosmetics.

Frequently Asked Questions About the Bosch UniversalSaw 18V-100

Can I use existing Bosch batteries with the Bosch UniversalSaw 18V-100?

Yes. The Bosch UniversalSaw 18V-100 is fully cross-compatible with any standard pack from the Bosch 18V Lithium-Ion lineup. Whether using compact 2.0 Ah slim packs or high-demand 5.0 Ah extended-runtime batteries, the tool locks on securely without adapters.

Does the Bosch UniversalSaw 18V-100 feature low-voltage battery protection?

Yes. Integrated microprocessor monitoring cuts motor power before cells discharge below critical voltage levels, preserving the overall cycle life and health of your 18V Lithium-Ion lithium-ion packs.

Does the blade clamp accept U-shank blades?

No. Like modern professional jigsaws, the Bosch UniversalSaw 18V-100 is engineered specifically for universal T-shank blades. T-shank side tangs provide positive mechanical locking that prevents blade slippage under high orbital loads.