Song Zhe Lun and FA2 in the end what is the difference
Drill main specifications are 4,6,8,10,13,16,19,23,32,38,49 mm, etc., the number refers to the tensile strength of 390N / mm2 steel drilling on the maximum diameter of the drill.
The annual production and sales accounted for 35% of China's power tools.
Is a conventional tool in the power tools, but also the largest demand for power tools products.
Indicates the direction of rotation of the drill bit, R means to the right, and L to the left.
