Product Description
CMT OMF157-X1 1-3/16" Plunge Cut Blade for Metal - BIM Starlock by CMT is a bi-metal oscillating blade engineered for fine, precise plunge and flush cuts in sheet metal, non-ferrous materials, hard plastics, and fiberglass. Built to the Starlock arbor interface standard and sized at 30mm (1-3/16"), this blade delivers exceptional control for demanding metalworking and remodeling tasks where accuracy and clean results matter most.
Key Features
- Starlock Arbor Interface: The Starlock (SL) mounting system locks the blade firmly to compatible oscillating multi-tools, maximizing power transfer and reducing unwanted vibration during plunge cuts.
- Bi-Metal (BIM) Construction: High-speed steel teeth bonded to a flexible spring-steel backer give the blade both cutting hardness and structural resilience, extending blade life when cutting metal, copper, aluminium, brass, and fiberglass.
- 1.2 TS - 21 TPI Tooth Configuration: A fine tooth pitch designed specifically for thin and precise cuts - produces cleaner edges in sheet metal up to 2mm, hard plastics, and non-ferrous pipe and profiles with minimal burring or tear-out.
- 30mm (1-3/16") Blade Width: A compact profile sized for controlled plunge and flush-cut work in tight spaces and close-tolerance applications where a wider blade would be difficult to maneuver.
- 2" Cutting Height: Provides sufficient cutting depth to work through typical sheet metal thicknesses, pipe walls, and plastic profiles in a single, controlled pass.
- Medium Waist Blade Geometry: The medium waist design accelerates chip and swarf evacuation away from the cut, helping maintain a clear cutting path and reducing heat buildup during extended use.
- Fine Cut Performance: Engineered specifically for particularly fine, thin, and precise cuts - making it easy to control when fitting pipes, trimming profiles, or making flush cuts in confined areas.
Why This Product
- For contractors and tradespeople cutting non-ferrous pipe, aluminium profiles, or copper fittings, this blade's 21 TPI fine tooth pitch delivers the clean, burr-free edges needed to make professional-quality cuts without secondary finishing work.
- The Starlock arbor interface is compatible with multi-cutters from CMT, Metabo, and other Starlock-platform tools, making this blade a versatile addition to job sites where multiple tool brands are in use.
- BIM construction balances cutting performance and durability in one blade - the high-speed steel teeth handle hard materials like brass and fiberglass while the spring-steel backer resists fatigue and flexing under load.
- The medium waist geometry actively clears metal swarf from the cutting zone, which reduces blade binding and makes extended cutting sessions in metal and hard plastics more efficient and predictable.
Specifications
- Manufacturer Part Number: OMF157-X1
- Brand: CMT Orange Tools
- Blade Width: 30mm (1-3/16")
- Cutting Height: 2"
- Number of Teeth: 1.2 TS - 21 TPI
- Blade Material: BIM (Bi-Metal)
- Arbor Type: Starlock (SL)
- Quantity: 1-Piece
Approved Applications
- Plunge cuts in sheet metal up to 2mm
- Flush cuts in non-ferrous pipe and profiles
- Cutting copper, aluminium, and brass profiles
- Cutting fiberglass (GRP)
- Cutting hard plastics
- Fine, thin, and precise cuts requiring easy control
What's Included
- 1x CMT OMF157-X1 BIM Starlock Plunge Cut Blade for Metal
Frequently Asked Questions
What materials can the CMT OMF157-X1 cut?
This blade is designed for sheet metal up to 2mm, hard plastics, and non-ferrous pipe and profiles including copper, aluminium, brass, and fiberglass (GRP). It is not intended for ferrous steel or tempered materials.
What oscillating multi-tool arbor does this blade use?
The OMF157-X1 uses the Starlock (SL) arbor interface and is compatible with multi-cutters equipped with a Starlock arbor, including tools from CMT and Metabo.
What is the tooth configuration and what does it mean for cutting performance?
The blade features a 1.2 TS - 21 TPI tooth configuration. This fine tooth pitch is optimized for particularly fine, thin, and precise cuts, making it easy to control and well-suited for applications where a clean, accurate edge is required in thin metal or hard plastic.
What does "medium waist" blade geometry mean for this oscillating blade?
The medium waist design refers to a narrowing in the body of the blade between the arbor connection and the cutting edge. This geometry promotes faster cutting action and improved swarf (metal chip) evacuation from the cut zone, helping to keep the blade running freely and reducing heat buildup during use.
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