Product Description
CMT JS641HM-2 Reciprocating Saw Blades for Wood and Metal (TCT) - 6" x 6 TPI, 2-Piece Pack are carbide-tipped sabre saw blades engineered for demanding demolition and remodeling cuts through tough abrasive materials including porous concrete, red brick, fiber cement, plasterboard, and glass fiber reinforced composites. Supplied in a 2-piece pack, these 6-inch TCT reciprocating blades deliver dramatically extended service life compared to standard bi-metal or high-speed steel teeth when cutting through hard, gritty, or nail-embedded substrates.
Key Features
- Carbide-Tipped (TCT/HW) Teeth - tungsten carbide tips bonded to a steel blade body resist rapid wear on abrasive materials such as fiber cement, porous concrete, and red brick, giving each blade a much longer usable life than conventional steel-tooth reciprocating blades on the same materials.
- 6 TPI Tooth Configuration - the coarser 6-teeth-per-inch pitch clears debris efficiently from the cut, reducing heat buildup and binding when working through thick or dense materials up to 4 inches in maximum thickness.
- 4.3 mm Tooth Distance (Pitch) - the consistent 4.3 mm spacing between carbide teeth produces aggressive, controlled stock removal in hard masonry-type and composite materials without tooth overloading.
- 0.047" Blade Thickness - the precision-ground plate thickness maintains a stable kerf and minimizes blade flex during reciprocating cuts, helping maintain straight, accurate cut lines in panel materials like plasterboard and fiber cement.
- 5-1/8" Cutting Height / 19 mm Cutting Depth - the usable cutting depth accommodates material thicknesses up to 4 inches, making these blades well suited for full-depth cuts in concrete board, brick, and reinforced panel products.
- 2-Piece Pack - two identical blades are included per pack, giving you a ready backup blade on the job site and reducing downtime when working through demanding abrasive cuts that consume blade life faster than standard wood cutting applications.
Why This Product
- Carbide-tipped construction is the right choice when cutting fiber cement siding, cement board, or red brick - materials that rapidly destroy standard steel teeth - because the HW carbide tips hold a sharp cutting edge far longer through abrasive, gritty substrates.
- The 6 TPI pitch handles a wide range of mixed-material demolition scenarios, including wood with embedded nails, plasterboard, and glass fiber reinforced plastics, without requiring a blade change between different cut types on the same job.
- At 6 inches total length with a 5-1/8" cutting height, these blades fit standard reciprocating saws and provide enough reach to cut through common wall panel thicknesses and masonry board products in a single pass.
- Buying a 2-piece pack means you have a matched replacement blade immediately on hand - a practical advantage when working with abrasive materials that shorten blade life and where stopping to source a replacement wastes time.
Specifications
- Manufacturer Part Number: JS641HM-2
- Brand: CMT Orange Tools
- Total Length: 6"
- Cutting Height: 5-1/8"
- Cutting Depth: 19 mm
- Teeth Per Inch: 6 TPI
- Tooth Distance (Pitch): 4.3 mm
- Teeth Thickness: 0.047"
- Maximum Material Thickness: less than 4"
- Blade Material: HW (Carbide-Tipped / TCT)
- Quantity: 2-Piece Pack
Approved Applications
- Porous concrete
- Red brick
- Fiber cement panels
- Plasterboard
- Glass fiber reinforced materials
- Wood with nails
What's Included
- 2x CMT JS641HM carbide-tipped reciprocating saw blades, 6" x 6 TPI
Frequently Asked Questions
What types of materials can these reciprocating saw blades cut?
These TCT blades are designed to cut porous concrete, red brick, fiber cement, plasterboard, and glass fiber reinforced materials. They also handle wood with embedded nails, making them a versatile choice for demolition and remodeling work involving multiple substrate types.
Why use carbide-tipped (TCT) blades instead of standard bi-metal reciprocating blades for fiber cement or concrete board?
Fiber cement, porous concrete, and red brick are highly abrasive materials that wear standard steel or bi-metal teeth down very quickly. The tungsten carbide tips on these HW blades are significantly harder and hold a usable cutting edge much longer when working through abrasive substrates, reducing the frequency of blade replacement on demanding cuts.
What is the maximum material thickness these blades can handle?
These blades are rated for a maximum material thickness of less than 4 inches. The usable cutting height is 5-1/8" (cutting depth of 19 mm), which provides sufficient reach for full-depth cuts in standard panel thicknesses and masonry board products within that limit.
How many blades come in a pack, and are they both the same specification?
Each pack contains 2 carbide-tipped reciprocating saw blades. Both blades in the pack are identical - 6 inches in total length, 6 TPI, with a 0.047" blade thickness and 4.3 mm tooth pitch - giving you a matched replacement ready to use when needed.
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