1-3/8" Multi-Material Blade, Titanium Enhanced Carbide Teeth, 1 Pack

Milwaukee 49-25-1521 OPEN-LOK™ 1-3/8" Carbide Teeth Oscillating Blade – Multi-Material

The Milwaukee 49-25-1521 is a 1-3/8" oscillating blade engineered with carbide teeth for high-performance cutting in abrasive and dense materials. Designed for compatibility with oscillating multi-tools using the OPEN-LOK™ universal anchor, this blade delivers extended life and fast cutting across a wide range of job site materials.

Application Overview

This blade is intended for use on wood with embedded nails, screws, cement board, drywall, stainless steel fasteners, and other non-ferrous metals. The carbide construction supports aggressive applications and reduces the need for frequent blade replacements in high-volume tasks.

Blade Features

• Carbide Tooth Edge – Provides long-lasting performance and maintains sharpness when cutting through metal and mineral-based materials.
• Universal OPEN-LOK™ Interface – Compatible with over 100 multi-tool models for fast tool-free installation; not compatible with Starlock systems.
• Optimized Tooth Geometry – Engineered for precision cutting and minimized deflection in tough substrates.
• Thin Kerf Profile – Improves cutting speed and reduces load on the tool during operation.
• Multi-Material Capability – Effective on wood, plaster, cement board, sheet metal, and fastener-laden workpieces.

Technical Specifications

• Cutting Width: 1-3/8 inches
• Tooth Material: Carbide
• Mounting System: OPEN-LOK™ anchor (non-Starlock)
• Tool Compatibility: Fits 100+ oscillating multi-tool models
• Manufacturing Origin: Made in the USA with globally sourced materials

Usage Guidance

Intended for experienced users familiar with oscillating multi-tools. Secure blade properly before operation and apply consistent pressure during cuts. Avoid excessive heat buildup when cutting metals by using controlled feed rates. Recommended for use in demolition, remodeling, mechanical installations, and general construction tasks.