Product Description
CMT JS1122AF-5 Reciprocating Saw Blades for Metal - BIM 9" x 24 TPI (5-Piece Pack) are precision-engineered bi-metal sabre saw blades designed specifically for cutting thin sheet metal, fine pipe, and metal profiles. Built from BIM (bi-metal) construction with a 24 TPI tooth pattern and a total blade length of 9 inches, these blades deliver controlled, fine cuts through sheet metal ranging from 1/32 inch to 1/8 inch in thickness. Each pack includes 5 blades, giving professionals and tradespeople a reliable supply for extended metalworking projects.
Key Features
- BIM Bi-Metal Construction - the bi-metal build combines flexibility with durability, allowing the blade to flex during flush cuts without snapping while maintaining edge integrity through extended metal cutting sessions.
- 24 TPI Tooth Configuration with 1mm Tooth Distance - the fine 24 teeth-per-inch pitch produces smooth, precise cuts in thin sheet metal and fine pipe with minimal burring, reducing finishing time after each cut.
- 9-Inch Total Length with 8-Inch Cutting Height - the full-length blade provides deep reach into workpieces and accommodates a wide range of reciprocating saw setups, giving operators the clearance needed for varied metal cutting tasks.
- Compatible with Thin Sheet Metal from 1/32" to 1/8" Thickness - the blade geometry is optimized for this specific material range, preventing tooth stripping and blade chatter that commonly occurs when using a coarser blade on thin stock.
- 0.035-Inch Blade (Teeth) Thickness - the precise blade body thickness limits kerf width, reducing wasted material and allowing tighter, more accurate cuts in metal sheet applications.
- 19mm Cutting Depth - a defined cutting depth ensures the blade is properly matched to thin metal workpieces, preventing overreach and maintaining cut control.
- 5-Piece Pack - purchasing as a multi-blade set keeps replacement blades on hand so work can continue without downtime when blades wear from repeated metal cutting.
Why This Product
- Purpose-built for thin sheet metal from 1/32 inch to 1/8 inch thick - when standard reciprocating blades strip teeth or vibrate excessively on light-gauge metal, this 24 TPI BIM blade stays in control and maintains a clean cut line.
- The 9-inch blade length and 8-inch cutting height offer meaningful reach for cutting pipe sections, metal profiles, and sheet goods in confined or awkward positions where shorter blades fall short.
- BIM (bi-metal) construction means the blade body flexes rather than fractures under side-load or flush-cut conditions, extending service life compared to rigid single-material blades on demanding metal work.
- Supplied as a 5-piece pack - having multiple identical blades ready to swap in keeps production moving on repetitive metal cutting tasks and reduces the risk of project delays from a single worn blade.
Specifications
- Manufacturer Part Number: JS1122AF-5
- Brand: CMT Orange Tools
- Total Length: 9"
- Cutting Height: 8"
- Cutting Depth: 19mm
- Teeth Thickness: 0.035"
- Number of Teeth: 24 TPI
- Tooth Distance: 1mm
- Maximum Material Thickness: 1/32" - 1/8"
- Blade Material: BIM (Bi-Metal)
- Quantity: 5-Piece Pack
Approved Applications
- Cutting thin sheet metal from 0.7mm to 3mm (1/32" to 1/8") in thickness
- Cutting fine pipe and metal profiles
- Use with reciprocating saws and sabre saws
What's Included
- 5x CMT JS1122AF BIM Reciprocating Saw Blades - 9" x 24 TPI
Frequently Asked Questions
What thickness of sheet metal can these blades cut?
These blades are rated for cutting thin sheet metal from 1/32 inch to 1/8 inch (approximately 0.7mm to 3mm) in thickness. The 24 TPI tooth configuration is specifically matched to this material range to prevent tooth stripping and ensure a clean, controlled cut.
What is BIM blade construction and why does it matter for metal cutting?
BIM stands for bi-metal, a blade construction that bonds high-speed steel teeth to a flexible spring-steel back. This combination gives the blade resistance to tooth wear from hard metal while allowing the body to flex under load - an important characteristic when performing flush cuts or working in tight spaces where rigid blades could snap.
Are these blades compatible with standard reciprocating saws?
Yes. These are sabre saw blades designed for use in reciprocating saws. The blade format is consistent with standard reciprocating saw blade mounting systems used across major tool brands.
Why are 24 TPI blades recommended for thin sheet metal rather than a lower TPI count?
A higher TPI count like 24 keeps more teeth in contact with thin material at any given moment during the cut. With thinner stock such as 1/32 inch to 1/8 inch metal, a coarser blade with fewer teeth per inch risks catching between the material and stripping or damaging teeth. The 24 TPI and 1mm tooth distance on these blades are matched to the target material thickness to maintain a smooth, safe cut.
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