Grizzly   |  Model: T21349
108" x 1/2" x .020" x 20-24 TPI VP Bi-Metal Bandsaw Blade
Price: $39.95
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Grizzly T21349 - 108" x 1/2" x .020" x 20-24 TPI VP Bi-Metal Bandsaw Blade

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Model: T21349
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SuperCut Bimetal Bandsaw Blades are a superior blade with high alloy, high speed M2 teeth and a spring steel back to provide flexibility and toughness in the blade. Bimetal blades are welded by an electron beam under high vacuum to attach the strip of high speed M2 teeth to the spring steel back. The teeth are then ground into the M2 steel. Bimetal blades are primarily used for steel cutting, but also can be used for cutting non-ferrous materials and wood.

Bimetal blades are available with variable pitch teeth. Variable pitch combines regular teeth of different pitches, gullet depths, and set angles. Variable pitch gives smoother cuts, faster sawing, improved chip clearance, and longer blade life. Noise and chatter are greatly reduced. Variable pitch blades can handle solid cutting as well as interrupted cutting such as tubing, etc. Bimetal blades will give lower cost per cut on tough sawing jobs.

Specifications:

  • Length: 108"
  • Width: 1/2"
  • Type: Bi-metal
  • TPI: 20 - 24 VP
  • Gauge: 0.20"

Blade Selection: Selecting the right blade for the cutting task requires knowledge about blade characteristics and cutting priorities (i.e. speed, finish, etc.).

  • Blade Length: Measured by the blade circumference, blade lengths are specific to each bandsaw. They are determined by the wheel diameter and distance between the wheels.
  • Blade Width: Measured from the back of the blade to the tip of the blade tooth (the widest point). Blade width determines the largest and smallest curve that can be cut, and contributes to the accuracy of cutting straight—generally the wider the blade, the straighter it will cut.

    Tooth Set: Two common tooth sets for wood bandsaw blades are alternate and raker. Each type of tooth set removes material in a different manner, leaving cuts with different characteristics.

  • Alternate: An all-purpose arrangement where the teeth are bent evenly left and right of the blade.
  • Raker: Three teeth in a recurring group—one bent left, one bent right, and one that is not bent. The raker set is ideal for most contour cuts.

    Tooth Type: The most common tooth types for wood blades are:

  • Standard (or Raker): Equally spaced teeth set at a “0” rake angle. Recommended for thinner workpieces and general use.
  • Hook (or Claw): Wide gullets (round or flat), equally spaced teeth, positive rake angle, and fast cut with good surface finish.
  • Skip (or Skip Tooth): Wide, flat gullets, a "0" rake angle, equally spaced teeth, and recommended for thick wood cutting.
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