Product Description
CMT JT101BR-5 Jig Saw Blades - Wood/Fine Straight (HCS) 4" x 10 TPI, 5-Piece Pack by CMT delivers precision straight cuts with a fine finish on hardwood, softwood, plywood, OSB, laminated panels, and plastics ranging from 1/8 to 1 1/4 inches thick. The reverse-tooth design cuts on the downstroke, protecting the visible upper surface from splintering and tearout - making these blades the right choice for finish-quality work where surface appearance matters. Each pack includes 5 high-carbon steel jig saw blades with a universal T-shank, compatible with all major corded and cordless jig saws.
Key Features
- Reverse-Tooth Design (JT101BR pattern): teeth point downward and cut on the downstroke, preventing splintering on the upper face of the workpiece - ideal for fine finishing cuts where the surface must stay clean and intact.
- 10 TPI / 2.5mm Tooth Distance: a finer tooth pitch produces smoother cuts with less surface roughness, reducing the need for sanding or cleanup work on hardwood, softwood, plywood, and laminated panels.
- High-Carbon Steel (HCS) Construction: the blade material provides flexibility and resistance to breakage, particularly suited for wood-based materials and plastics ranging from 1/8 to 1 1/4 inches thick.
- Universal T-Shank: fits all major jig saw brands without any adapter - swap blades quickly and confidently on cordless or corded jig saws.
- 4" Total Length / 3" Cutting Height: the 3-inch cutting capacity handles material thicknesses from 1/8 to 1 1/4 inches, covering a broad range of panel, sheet, and board stock commonly used in finish carpentry and woodworking.
- 5-Piece Pack: multiple blades included per pack means you have replacements on hand for extended projects, reducing downtime.
Why This Product
- The reverse-tooth configuration is specifically engineered for fine finishing work - when cutting plywood, laminated panels, or veneered surfaces, tearout on the visible face is eliminated because the teeth cut on the downstroke rather than the upstroke.
- With a cutting range of 1/8 to 1 1/4 inches, these blades cover a practical span of material thicknesses used in woodworking, cabinetry, and general construction - from thin sheet stock and plastics to full nominal 1-inch boards.
- The universal T-shank design removes the guesswork of shank compatibility - these blades fit all major jig saw brands, making them a versatile shop consumable whether you are working with corded or cordless tools.
- Buying a 5-piece pack of the same blade means consistent cut quality across an entire project, with spares available when a blade dulls - without interrupting workflow to source individual replacements.
Specifications
- Manufacturer Part Number: JT101BR-5
- Brand: CMT Orange Tools
- Total Length: 4"
- Cutting Height: 3"
- Maximum Thickness: 1/8" - 1 1/4"
- Number of Teeth: 10 TPI
- Tooth Distance: 2.5mm
- Blade Material: High-Carbon Steel (HCS)
- Shank Type: T-Shank
- Quantity: 5 pieces
Approved Applications
- Fine straight cuts on hardwood and softwood (1/8 to 1 1/4 inches thick)
- Plywood cutting with clean upper surface finish
- OSB (oriented strand board) cutting
- Laminated panel cutting
- Plastics from 3mm to 30mm (1/8" to 1 1/4") thick
- Fine finishing cuts where surface tearout must be minimized
What's Included
- 5x CMT JT101BR HCS Jig Saw Blades - 4" x 10 TPI, Reverse Tooth, T-Shank
Frequently Asked Questions
What makes a reverse-tooth jig saw blade different from a standard blade, and when should I use one?
A reverse-tooth blade has teeth that point downward rather than upward. This means the blade cuts on the downstroke instead of the upstroke. Because jig saw platens rest on the top face of the workpiece, a reverse-tooth blade protects that visible upper surface from splintering and tearout. The JT101BR-5 blades use this design and are the right choice any time the top face of your cut must remain clean - such as when cutting plywood, laminated panels, veneered boards, or finished hardwood where sanding or refinishing is not an option.
What materials and thicknesses are these blades rated for?
These blades are designed for straight, fine-finish cuts in hardwood and softwood, plywood, OSB, laminated panels, and plastics. The rated material thickness range is 1/8 to 1 1/4 inches (3mm to 30mm), which covers most sheet goods and dimensional lumber commonly used in woodworking and finish carpentry applications.
Will the T-shank fit my jig saw?
The T-shank (also called a universal T-shank) is compatible with all major corded and cordless jig saw brands and models. No adapter is required. If your jig saw accepts T-shank blades - which is standard across virtually all modern jig saws - these CMT blades will fit and lock in securely.
What does 10 TPI mean, and how does it affect cut quality?
TPI stands for teeth per inch. At 10 TPI, these blades have a finer tooth pitch (2.5mm between teeth) compared to coarser blades used for fast, rough cutting. A higher TPI produces smoother, cleaner cuts with less surface roughness - which is why these are classified as fine-finish blades. The tradeoff is that finer blades cut more slowly than coarser ones, but the resulting surface quality requires significantly less sanding or post-processing.
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