How to distinguish between electric hammer drill bit used
Shape: only two general electric hammer drill: head and head! The tail is square square. The tail of the round head is round.. Round head is mainly used with light hammer, the tail has two slots. The square is mainly used for heavy hammer!Size: use caliper to measure the diameter of the alloy steel on the head.
Use the hammer drill shank is square, drill shank is round. The hardware store that buys electric tools will find out in comparison.
Hard alloy electric hammer drill body made of high quality alloy steel, the knife head is welded with hard alloy. Matched with various electric machine, concrete, brick and other building materials for hard drilling. The utility model is a drilling tool with wide use and high efficiency in the construction and installation industry.Electric hammer drill set specifications: 5*110mm, 6
Four, five, six pit pit angle shank hammer respectively with four pits, five pits, six angle shank drill.The four can only handle four round hole hammer drill hole, the domestic side Bingsi pit with general electric hammer Bingsi pit bit, round handle can be fitted with but only occasionally use.
Use the hammer drill is hard alloy, like welding, while the impact drill bit is high speed steel, is one of the.