Bosch 9 in. Reciprocating Saw Blade - QTY:5 - 3LNR1
Sold as a pack of 5. Made in Switzerland.
Special Note on Reciprocating Saw Blades: By understanding the technology that is engineered into the reciprocating blades, you can pick the best blade for your application. Teeth per inch, thickness of the blade, shape of the blade, the gullet and the blade material are all important features to consider when choosing a blade. The number of teeth is important – the lower the number of teeth per inch the faster the cut. Also, keep in mind that you should always keep a minimum of 3 teeth in the work piece at all times. So if you are working on wood, generally speaking, a lower TPI blade is used. If you are cutting metal, a higher TPI blade is appropriate. Composites and sandwiched materials use between 10 and 14 teeth per inch. The body thickness determines how stable the blade will be through the cut. A thicker blade will “wobble” less and generally give a straighter cut, but it will also take out more material which will take a longer time. The shape of the blade will determine if you can “plunge cut”. This is only recommended in wood and uses the blades with the long tapered tip. The gullet or space between the teeth will determine how fast the material is removed. Deep gullets result in faster removal, shallow gullets result in slower material removal. The blade material determines the durability and the cost of the blade. High Carbon Steel (HCS) costs less but will not be as durable as Bi-Metal (Bi-Met). Bi-Metal blades are made from two strips of metal, hence the name. The strip with the teeth is heat treated for strength and durability while the backing material is more flexible so that it can bend rather than shatter if jammed into the work piece. The right tool for the right job only works if you add the right accessory.
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