(1)taper angle: 7°,11°,12°
(2)Models:chisel bit
(3)Diam:20-45 mm
(4)Socket inside diameter:15/19/22/25(mm)
Tapered Chisel Bit is suitable for mining,quarrying,tunneling and so on. It is widely used for ground quarrying and underground drilling.
Chisel Drill bit is suitable for mining of black metal mines(such as iron mine/ manganese ore), nonferrous metal mine(such as gold/silver/copper ore), marble and granite etc.
Its drilling depth usually is 15m-18m in case of hardness grade F8-14. At present, there are Horse Shoe Bits and Chisel bits. Chisel is more popular in Saudi, and it's suitable for hard rock drilling.
It is widely used in drilling holes with a depth size less than 5 meters and diameter scope in 20-45 mm by light-duty hand hold drills, Like Y6, Y10, Y24, major use in natural dimensional stone quarry for small hole drilling, block trimming and 2nd splitting for small blocks. To match Hexagonal 22 mm and Hexagonal 25 mm tapered drill steel with 4 、6、7、11、12 degree , All tapered chisel bit are made with high quality of raw material through special heat treatment, The deliver capacity are very strong and can completely meet customer's requirements on delivery design.