Reciprocating saw blade

The utility model belongs to a reciprocating saw blade which comprises a saw body, a saw handle is arranged at the left end of the saw body, a plurality of saw teeth are arranged on the lower portion of the saw body, the tooth pitch between every two adjacent saw teeth is L1, the arc radius of the tooth bottom is r, the included angle between the straight line of the tooth top and the perpendicular line of the tooth top is a front angle alpha, L1 ranges from 0.8 mm to 3.5 mm, r ranges from 0.15 mm to 1.0 mm, and alpha ranges from 0 degree to 10 degrees. The included angle beta 2 between the back straight line II and the horizontal line is larger than the included angle beta 1 between the back straight line I and the horizontal line; the high-strength saw tooth is high in strength, long in service life and good in machining quality, and tooth breakage is not prone to occurring. 本实用新型属于一种往复锯条，包括锯体，锯体的左端设有锯柄，下面设有多个锯齿，两个相邻锯齿之间的齿距为L1，齿底圆弧半径为r，齿尖直线与齿尖的垂直线的夹角为前角α，L1=0.8~3.5mm,r=0.15~1.0mm,α=0°~10°，其特征在于背部直线二与水平线夹角为第