Dart Wood Circular Saw Blade - 250 mm x 40 Teeth x 30 mm

Professional TCT blades featuring an Alternate Top Bevel (ATB) tooth configuration for universal w...

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eBayWood Circular Saw Blade 250 mm x 40 Teeth x 30 mm Dewalt DW702 DW703 DW713
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Product Information

Full details

This Dart 250mm TCT saw blade is designed for professional woodworkers and DIY enthusiasts needing a versatile blade for various wood types. Its Alternate Top Bevel (ATB) tooth configuration ensures efficient universal wood cutting. A key benefit is its durable construction, maintaining trueness through hardening and tempering. One potential consideration is the need for appropriate reducing rings depending on your saw's spindle size.

All features

Model Part Number5055297110753
BrandDart

Extended Product Information

FAQs

What materials can this Dart saw blade cut?

This blade is suitable for cutting a wide range of wood materials including softwood, hardwood, particle board, MDF, hardboard, and plywood.

What does ATB mean for the tooth configuration?

ATB stands for Alternate Top Bevel. This tooth geometry is designed for fast, efficient cutting in general woodworking applications across various wood types.

How do I know if I need a reducing ring?

You will need a reducing ring if your circular saw's spindle diameter is smaller than the blade's 30 mm bore size. Reducing rings adapt the blade's bore to fit different spindle sizes.

Can this blade cut wood with nails?

Yes, this blade is suitable for cutting wood that may contain nails. However, cutting through nails will dull the teeth faster and may increase the risk of kickback. Use with caution.

What is the difference between the kerf and the body thickness?

The kerf (2.8 mm) is the width of the cut the blade makes, while the body thickness (2.0 mm) is the thickness of the main blade plate. A thinner kerf requires less power and produces less dust, but a thicker body can offer more stability.

How should I maintain the blade for longevity?

Keep the blade clean from resin and debris using a suitable cleaner. Store it in a dry place, preferably in a protective case. Inspect regularly for damage and ensure it remains sharp.

Troubleshooting

Blade wobbles during use

Check that the blade is correctly seated on the spindle, that the reamed bore is clean, and that the mounting nut is securely tightened. Ensure the blade itself is not warped or damaged.

Rough cuts or excessive tear-out

Ensure the blade is sharp and free from resin buildup. Check the feed rate; a too-fast or too-slow feed rate can cause poor finish. Verify the blade is suitable for the material being cut and that the saw is operating at the correct RPM.

Blade binding in the material

Check the blade's cutting width (kerf) against the saw's riving knife or anti-kickback pawls if fitted. Ensure the material being cut is properly supported and not flexing. A dull blade or incorrect feed rate can also contribute to binding.

Blade does not fit spindle

Verify the bore size of the blade (30 mm) and the spindle size of your saw. Use the appropriate reducing ring if the spindle is smaller than the bore.

Pros and Cons

Pros

  • Versatile for multiple wood material types.
  • Durable Tungsten Carbide Tipped teeth for longevity.
  • Precise fit with reamed bore enhances safety and accuracy.
  • Maintains trueness due to hardened and tempered body.
  • Suitable for general wood cutting applications.

Cons

  • May require reducing rings for specific spindle sizes (sold separately).
  • 40 teeth configuration is optimized for general use, not ultra-fine finishes.
  • Not specifically designed for cutting metal or abrasive materials.

Setup, Compatibility & Care

Setup:

  1. Ensure your circular saw is unplugged and the blade is completely stopped.
  2. Identify the correct blade orientation (teeth should point towards the direction of rotation, typically marked with an arrow on the blade).
  3. Remove the old blade using the appropriate spanner or Allen key, holding the blade to prevent movement.
  4. If your saw's spindle is smaller than the blade's 30 mm bore, select and install the appropriate reducing ring.
  5. Mount the new Dart blade onto the spindle, ensuring it sits flush against the flange.
  6. Secure the blade with the washer and nut, tightening firmly but not overtightening.
  7. Double-check that the blade is securely fastened and rotates freely without wobble.

Compatibility:

  • Blade Diameter: 250 mm
  • Bore Size: 30 mm (reducing rings are available for smaller spindle sizes, e.g., 16 mm, 20 mm, 25.4 mm).
  • Power Tool Type: Circular saws designed to accept 250 mm diameter blades with a 30 mm bore or compatible reducing ring.

Care:

  • Cleaning: After use, remove any resin or debris buildup using a soft brush or cloth and a suitable blade cleaner. Avoid abrasive cleaners.
  • Storage: Store the blade in a dry environment, preferably in its original packaging or a blade case, to prevent rust and damage to the teeth.
  • Inspection: Regularly inspect the teeth for damage, chipping, or excessive wear. Ensure the blade remains flat and true.

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