The present invention relates to an angle adjustable connecting part for farm equipment and hand tools, which can easily detach a working part of farm equipment and a hand tool from a sack, and can be adjusted at various angles to allow many types of farm equipment to be interchangeably used. The present invention is configured such that: a connecting part is formed on the front end of a working part of farm equipment or a hand tool, a connecting part is also formed on the front end of a sack, and the working part and the sack can be coupled through the connecting parts； the connecting part has a fixing hole formed in the center thereof, and multiple angle adjusting holes are formed concentrically outward from the fixing hole； a fixing hole is formed at the center outward from the connecting part, and a fixing plate is provided having a fixing protrusion that is inserted into the angle adjusting hole formed outward thereon. When a fixing screw is inserted in and fixed to the fixing plate and the fixing hole of the connecting part, the fixing protrusion of the fixing plate is inserted in and fixed to an angle adjusting hole of the connecting part, and after the fixing screw is unscrewed, the connecting part can be turned to fix the working part and the sack at a desired angle.
