Studio view of the 2-1/2 inch Starlock bi-metal plunge cut blade displaying the Wood application icon and Curved-Tec cutting edge.
Infographic diagram detailing the blade dimensions of 2-1/2 inches wide by 4 inches tall and highlighting the curved-tec bi-metal cutting edge features.
Action shot of the blade attached to a multi-tool making a plunge cut into baseboard with text highlighting ideal use for recesses and plunge cuts.
Action shot of the blade attached to a multi-tool making a plunge cut into baseboard with text highlighting ideal use for recesses and plunge cuts.
Close-up action shot of the Starlock blade performing a precise plunge cut into wooden baseboard molding.
Close-up view of a hand operating the release lever on a Bosch multi-tool with text highlighting the 3-second quick change feature.
Close-up view of a Starlock blade being ejected from the multi-tool head using the quick release lever.
Infographic titled How to Change Starlock Blades demonstrating the two-step lever pull and snap-in process.
Infographic titled How to Change Starlock Blades demonstrating the two-step lever pull and snap-in process.
Graphic titled Fits Multiple Brands listing compatible manufacturers such as Fein, Milwaukee, Makita, and Ridgid connected to the Starlock interface diagram.
Studio view of the 2-1/2 inch Starlock bi-metal plunge cut blade displaying the Wood application icon and Curved-Tec cutting edge.
Studio view of the 2-1/2 inch Starlock bi-metal plunge cut blade displaying the Wood application icon and Curved-Tec cutting edge.
Infographic diagram detailing the blade dimensions of 2-1/2 inches wide by 4 inches tall and highlighting the curved-tec bi-metal cutting edge features.
Action shot of the blade attached to a multi-tool making a plunge cut into baseboard with text highlighting ideal use for recesses and plunge cuts.
Action shot of the blade attached to a multi-tool making a plunge cut into baseboard with text highlighting ideal use for recesses and plunge cuts.
Close-up action shot of the Starlock blade performing a precise plunge cut into wooden baseboard molding.
Close-up view of a hand operating the release lever on a Bosch multi-tool with text highlighting the 3-second quick change feature.
Close-up view of a Starlock blade being ejected from the multi-tool head using the quick release lever.
Infographic titled How to Change Starlock Blades demonstrating the two-step lever pull and snap-in process.
Infographic titled How to Change Starlock Blades demonstrating the two-step lever pull and snap-in process.
Graphic titled Fits Multiple Brands listing compatible manufacturers such as Fein, Milwaukee, Makita, and Ridgid connected to the Starlock interface diagram.
Studio view of the 2-1/2 inch Starlock bi-metal plunge cut blade displaying the Wood application icon and Curved-Tec cutting edge.
BOSCH

Bosch Oscillating Multi Tool Blade OSL212JF 2-1/2 Inch Starlock Bi Metal Curved Tec Xtra Clean Plunge Cut Saw Accessory For Fine Hardwood Flooring

In stock
SKU: OSL212JF
$15.89 USD

Description

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High-Precision Curved Tec Oscillating Blade for Tear-Free Plunge Cutting in Hardwood

The Bosch OSL212JF Starlock 2-1/2 Inch Bi-Metal Plunge Cut Blade delivers clean, splinter-free circular and straight entry cuts in dense hardwoods and laminate materials. Featuring a specialized Curved Tec rounded edge design, this accessory provides precise entry control and minimizes chatter by distributing the plunge load smoothly across the cutting teeth. The three-dimensional Starlock interface locks the blade firmly to the driver spindle, eliminating structural play to maximize torque transfer and reduce hand-arm vibration. This Swiss-made blade is engineered with a wear-resistant bi-metal alloy matrix and remains backward compatible with standard Oscillating Interface System (OIS) configurations.

Best Used For:

  • Finish Carpentry: Cutting clean rectangular plunge profiles in premium wood cabinetry and crown moldings for electrical box routing.
  • Hardwood Flooring Installation: Executing tight perimeter alterations and clean door jamb undercuts in oak, maple, and walnut boards.
  • Laminate Trim Adjustments: Making high-precision surface cutouts in pre-finished composite panels without chipping or peeling the top layer.

Key Performance & Safety Features

  • Xtra-Clean Finished Cuts: Optimized tooth geometry delivers smooth, tear-free edges in abrasive woods and laminated materials.
  • Curved Tec Design: Rounded cutting edge profiles eliminate sudden kickbacks and ensure stable, smooth plunge penetrations.
  • Starlock 3D Interface: Three-dimensional anchor zone offers positive mechanical lock engagement to handle high torque output.
  • Bi-Metal Construction: Premium high-speed steel tooth strip paired with spring steel backing provides extended operational lifespan.
  • OIS System Compatibility: Drops directly into new-generation Starlock power tools and legacy OIS multi-tool mounting systems.

What's Included

  • (1) 2-1/2 In. Starlock® Bi-Metal Plunge Cut Blade

Technical Specifications

Brand Bosch
Model Number OSL212JF
Blade Width 2-1/2 in.
Blade Material Bi-Metal (BIM)
Interface Type Starlock (OIS Compatible)
Cut Type Plunge Cut / Flush Cut
Primary Application Hardwood, Laminates
Overall Length 4 in.
Blade Design Curved Tec
Country of Origin Switzerland
Pack Quantity 1

Pro-Tip: When initiating a plunge cut in dense hardwood, avoid forcing the blade straight in. Utilize a gentle rocking motion across the Curved Tec edge to facilitate faster wood chip removal, prevent heat buildup, and preserve the bi-metal tooth set.