Saw Blades

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An invaluable part of any workshop, here’s what you need to know about these top-quality, hard wearing saw blades:

How Can I Properly Maintain My Saw Blades?

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    Proper saw blade maintenance is essential to ensuring optimal performance and longevity from your blades. Capable of cutting through a variety of different materials, these blades require consistent attention to ensure that they have the longest possible lifespan. Here are some key ways to maintain saw blades properly:

     

    Keep It Dry: Storing sawblades in dry locations is essential to preventing rust, a major factor which can potentially ruin a perfectly good saw blade.

    Lubricate The Blade: Proper lubrication allows the saw blade to cut through materials quicker and easier, preventing the blade from sticking or overheating. This will enhance the longevity of the blade.

    Sharpen Your Saw: Whilst this may be difficult for beginners, sharpening a saw blade is a crucial step to prolonging the equipment as long as possible. This will require a small diamond or triangular file to be done properly. Ensure that the teeth are even, as a longer tooth will do more than its share of the work when cutting.

    Following these steps will help to increase the longevity of a saw blade, helping to save money in the future and reduce potential downtime.

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Saw Blade FAQ’s

  • What Does TPI Mean?

    TPI stands for Teeth Per Inch, a higher TPI therefore means a blade with more teeth, whilst a lower TPI blade has fewer teeth. A general rule is that higher TPI blades produce a smoother, but slower, cut. In contrast, a lower TPI blade would produce a faster, rougher cut. However, this is not the only factor. A proper feed rate is also crucial to the outcome of the cut. Wood and other soft materials can be cut with a blade TPI of 6-20, whereas metals require are more suited to a TPI of 14-36.

  • What Are The Different Types of Saw Blades?

    Saw blades come in a variety of forms, with different specializations for different target materials. The four main types of saw blades are:

    Hand Saw Blades

    Most commonly used with wood and softer metals, the hand saw blade is a very common, readily available option for a wide variety of projects. Easily replaced, these blades are a mainstay of multiple industries and different levels of construction.

    Circular Saw Blades

    Unlike hand saw blades, circular saw blades are not straight, with their circular shape coming from their use in power saws. These blades can be found in a mitre saw, circular saw, chop saw etc. Their versatility allows them to serve a variety of different purposes, such as rip cuts, crosscuts and combination cuts. These different purposes are served by different blade shapes, for example a circular saw blade used for rip cuts have deeper teeth and gullets, whilst a blade used for crosscuts has low depth gullets and beveled teeth left and right.

    Reciprocating Saw Blades

    These blades are used in conjunction with reciprocating saws, such as scroll saws and jigsaws. These saws are operated similarly to hand saws, used for woods and softer metals. Reciprocating saw blades tend to be made from carbon, bi-metal, or high-speed steel materials and, when cutting fiberglass and metals, tungsten coated reciprocating saw blades are common.

    Band Saw Blades

    Band saw blades are looped endlessly and can be used for cutting a variety of materials, including wood, plastic, aluminum and steel. Adding to their versatility, these blades can be used with both horizontal and vertical band saws, as well as both with or without lubrication. Their versatility allows them to tackle a wide range of projects and target material.

  • What Are The Different Types of Saw Blade Teeth?

    The teeth of a saw blade are crucial to the finish you can expect after cutting, with different teeth suited to different materials. Here are some key teeth shapes to know about:

    Regular Teeth

    Using straight teeth, these blades typically have deep gullets between each tooth. Suitable for general metal-cutting, these teeth can also produce smooth wood-working finishes.

    Hook Teeth

    The hook tooth blade has deep gullets and longer teeth, ideal for coarse, fast cuts. These blades can be used to cut non-ferrous alloys, woods and plastics. Ideal for a project needing a deeper cut,

    Skip Teeth

    These blades feature widely-spaced teeth with a 0-degree rank angle. Because of this, they can cut softer non-ferrous metals that could otherwise clog machines with more compact teeth.

    Variable Teeth

    With alternating sets of different sized teeth, these blades produce a fast, smooth cut. As well as this, variable teeth reduce vibrations, essential for cutting into and out of holes and slots. This is an all purpose blade, but it is generally used for woodworking.

  • What Teeth Pattern Do I Need?

    Whilst the material of the blade and the machine used are crucial aspects to consider when selecting a saw blade, it is important to consider the teeth of the blade too. The teeth are crucial to the finish of the cut, guaranteeing a smooth, high-quality finish. When cutting metal, it is generally advisable to use a raker pattern blade, but if cutting thin target materials such as pipes, tubing or angles consider using a blade with a wave tooth pattern. But what do these terms mean? Here’s what you need to know:

    Raker Blade Pattern

    A raker tooth set has a tooth going to the left and one to the right, followed by a straight, or unset, tooth. This final straight tooth is called the ‘raker’. This blade is suitable for ferrous metals as well as wood.

    Wave Blade Pattern

    Featuring groups of teeth set left and right, seperated by unset raker teeth, the Wavy set blade is manufactured primarily with smaller teeth and is best suited to cutting thin metal sections such as tubes, pipes and thin sheets.

    Alternate Blade Pattern

    This blade pattern is similar to the raker pattern, with a tooth to the left and right, however it does not contain any raker teeth.

  • What are TCT Blades?

    Standing for Titanium Carbide Tipped, these blades are designed specifically for metal cutting purposes, capable of cutting through a variety of different metals including pipes, rails, sheet metal and tough alloys. The most significant benefit of TCT blades are their longevity, for example the Rotabroach Raptor Aluminum Cutting TCT Blade and Stainless Steel TCT Blade offer up to 20 times more longevity than a typical abrasive disk alternative, as well as 40% more longevity than other comparable TCT blades on the market.

  • Why Does Blade Diameter Matter?

    Blade diameter is crucial to selecting the right blade as it has a relationship with the depth of cut, RPM capacity and overall suitability for the machine.

    A circular saw blade with a diameter exceeding the capacity of the saw itself will, of course, not be functional. However, a circular saw blade with a smaller diameter can be used without danger, although it will suffer from a reduced depth of cut.

    The diameter also has a relationship with the RPM, with larger diameter blades having a lower RPM capacity than smaller options. For example, a 100mm blade has a max RPM of ~19,100 whilst a 210mm blade has a max RPM of 9000.