T119BO HCS jigsaw blades for straight, clean cuts in softwood and insulation. High carbon steel body with milled and wavy set teeth. 76mm blade length. Sold in packs of 5.
The T119BO HCS wood jigsaw blade is a straightforward, reliable choice for cutting softwood and insulation board. Made from high carbon steel, these 76mm blades are designed to produce a fine, straight cut without tearing the material. The milled and wavy set tooth configuration keeps the cut line tight and controlled, which matters when you need a clean edge rather than something you’ll be filling later.
High carbon steel performs well at lower temperatures, which makes it a sensible pick for site work in colder conditions or when cutting insulation materials that can behave unpredictably under heat. It won’t take the abuse of a bi-metal blade, but for the jobs it’s designed for, it doesn’t need to.
Where T119BO Wood Jigsaw Blades Are Used on Site
These blades come into their own wherever you need a clean cut in timber or insulation without overcomplicating the setup. Cutting stud work to length, trimming softwood panels, or slicing through rigid insulation for a tight fit around pipes and noggins — this is the territory they’re built for. The wavy set helps with material that would otherwise grip and deflect the blade, keeping the cut straight even in longer runs.
At 76mm in length, the T119BO suits standard depth cuts in timber framing, sheet goods, and insulation up to around 50–60mm thick depending on your saw’s stroke. If you’re working with dense hardwoods or material that generates significant heat during cutting, a bi-metal blade would serve better. But for everyday softwood and insulation work, these do the job cleanly and don’t cost you a fortune in the process.
Pack Size and Trade Use
Supplied in packs of 5, these are priced to stock up on rather than eke out. Jigsaw blades are one of those consumables that always seem to vanish at the worst moment — having a few spare in the bag is just good sense. The T-shank fitting is compatible with the vast majority of modern jigsaws, so no adapters or faff required.
Pro Tip: When cutting rigid insulation with a jigsaw, keep your speed setting on the lower end to reduce heat build-up, which can melt the foam and gum up the blade teeth faster than you'd expect.
These blades are used by carpenters, joiners, and general builders for cutting softwood timber, pine framing, and sheet materials where a clean edge matters. They're also a go-to for cutting rigid insulation board to fit around structural elements, pipework, and wall cavities. The T-shank fitting means they drop straight into most modern jigsaws without any adapters.
Best For
Softwood timber cutting
Rigid insulation board
Pine framing and sheet goods
Clean straight cuts in panels
Works With
T-shank jigsaws (most modern models)
Bosch, Makita, DeWalt, Milwaukee jigsaws
Standard variable speed jigsaws
Key Specifications
Blade length: 76mm
Material: High carbon steel (HCS)
Tooth set: Milled and wavy set (MWS)
Shank type: T-shank
Pack quantity: 5 blades
Cut type: Fine, straight cut
Not suitable for: Not suitable for hardwoods, metal cutting, or abrasive sheet materials. For dense hardwoods or demanding applications, a bi-metal jigsaw blade will hold its edge significantly longer.
Fit the blade into the T-shank clamp on your jigsaw and ensure it locks securely before switching on. For softwood, a mid-to-high speed setting works well. When cutting insulation, drop the speed to reduce heat and prevent the foam from melting onto the teeth. Let the blade do the work rather than forcing the saw forward, which keeps the cut straighter and extends the blade life.
Switch off and unplug or battery-isolate your jigsaw before changing blades
Insert the T-shank into the blade clamp and confirm it is locked firmly in place
Mark your cut line clearly on the material before starting
Set your jigsaw speed: mid-to-high for softwood, lower for insulation to avoid heat build-up
Start the saw before contacting the material and guide it steadily along the cut line
Allow the blade to complete its stroke without forcing the pace — steady pressure, not hard pushing
What shank type is the T119BO and will it fit my jigsaw?
The T119BO uses a T-shank fitting, which is the standard on the vast majority of modern jigsaws from brands like Bosch, Makita, DeWalt, and Milwaukee. If your jigsaw was manufactured in the last 15 or so years, it almost certainly accepts T-shank blades. Older machines may use a U-shank, so it's worth checking your model if you're unsure.
Can these blades cut insulation as well as wood?
Yes. The T119BO is well suited to rigid insulation board as well as softwood. The milled and wavy set teeth handle the material cleanly. Keep your speed setting lower when cutting insulation to prevent heat from melting the foam around the blade, which can cause drag and reduce blade life.
The T119BO is constructed from high carbon steel, which provides good strength and edge retention at lower operating temperatures. The milled and wavy set tooth profile produces a fine, controlled cut in softwood and insulation, minimising breakout on the cut face. HCS blades are not designed for high-heat applications and will wear more quickly in dense or abrasive materials compared to bi-metal alternatives.
SKU
T119BO
Blade Length
76mm
Blade Material
High Carbon Steel (HCS)
Tooth Configuration
Milled and Wavy Set (MWS)
Shank Type
T-shank
Pack Quantity
5
Suitable Materials
Softwood, insulation board
Box Quantity
5
Size
76mm
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