A few a few pit pit hammer is what? What is the use?
Actually, what's the difference?:1: four pit is now the longest on the market with better match. Five of the pits will not fit the drill bit.2: the five pit is usually large with a hammer, more than 38, because the big hammer torque, relatively the five pit stress structure more reasonable.
Five: refers to the pit slot number is five at the handle of hammer drill hole, three key and two ball groove, used in the five pit on the hammer. This drill is usually used in the heavy hammer.
Four: refers to the pit slot number is four at the handle of hammer drill hole, two key and two ball groove, used in the four pit on the hammer. This drill is usually used in the medium electric hammer.
This is very good explanation, some hole refers to this hammer drill bit for above several holes, including the sum of pit bit number and slot number of the ball slot, so simple, hope to adopt.
