ITEM NAME:4Pcs Twist Drill Bit Set Wood Fast Cut Auger Carpenter Joiner Tool Drill Bi J6X3 4Pcs Twist Drill Bit Set Wood Fast Cut Auger Carpenter Joiner Tool Drill Bi J6X3 Simple construction,nice operation. High performance applications, used for very aggresive machining of mild steels, high alloy steels, stainless steels and non-ferrous materials. Reasonable structure design, smooth brisk drilling, high efficiency, after the drill hole wall is flat and smooth chip evacuationIt consists of a head (tip section), drill body (edge screw part) and shank (holding portion) compositionIt is a practical, in a variety of wood drill bit for drilling through-hole model relates Material:alloy Color:Black+Silver Size:18mm,20mm,22mm,25mm Use:Wood Cut Suit for woodworking Package Contents: 1 set x of 4 Luo drill.Reasonable structure design, smooth brisk drilling, high efficiency, after the drill hole wall is flat and smooth chip evacuationIt consists of a head (tip section), drill body (edge screw part) and shank (holding portion) compositionIt is a practical, in a variety of wood drill bit for drilling through-hole model relates.