- - Sharp and twisted flute make the drilling be more easy and effortless.
- - Best suitable for concrete, masonary or other materials.
- - Straight shank design is more suitable for many electric drills and drilling machines.
- - Suitable for cement, stone, walls and other aspects of drilling operations, reinforcement works, such as bridges, housing renovation, reinforcement after aging houses.
- Material: 40Cr Steel+YG8C Hard Alloy