Bandsaw blade

A bandsaw blade, comprising a saw blade body and sawteeth located on the saw blade body, wherein nine sawteeth arranged in sequence form a main tooth group;

• each main tooth group comprises a first sub-tooth group, a second sub-tooth group and a third sub-tooth group;
• and each sub-tooth group comprises a first sawtooth, a second sawtooth and a third sawtooth which are sequentially arranged, the first sawtooth is a straight tooth, and the second sawtooth and the third sawtooth are a left set tooth and a right set tooth respectively;
• a first sawtooth of the first sub-tooth group has a first height, and is provided with chamfers on two sides;
• a first sawtooth of the second sub-tooth group has a second height, and is provided with chamfers on two sides, and the width of the top plane of the first sawtooth of the second sub-tooth group is larger than that of the first sawtooth of the first sub-tooth group;
• a first sawtooth of the third sub-tooth group has a third height, and the width of the top plane of the first sawtooth of the third sub-tooth group is larger than that of the first sawtooth of the second sub-tooth group;
• second and third sawteeth of the first sub-tooth group and second and third sawteeth of the third sub-tooth group have a same fifth height;
• the second and third sawteeth of the second sub-tooth group have a fourth height, and are provided with chamfers on the outer sides;
• and
• the first height, the second height, the third height, the fourth height and the fifth height are sequentially decreased.