Physical Description: Steel Body, made by material 40Cr or 42CrMo, heat treatment with 40-44HRC hardness, has high toughness and wearable character. Tip is made from Low press Sintered, and Suitable Grade Selected according to the Target Projects, Which are to make sure the good performance during working. For Areas Using: Foundation creation Solid wall Water well drilling For Machines : The products adapt to the machine with all the performance features such as a high wearable, a long service life. Together with the parts supply assurance, a high daily production volume, and above-average economy is guaranteed.