-
36mm 7 Degree Taper Button Drill Bit for Drilling Quarry
Rock GradeHardness LevelTypical RockF gradeApplicable button bitIThe hardestthe hardest and compact quartz, basalt and other special hard rocksf=20The best qualityIIstrong hardvery hard granite&quartz porphyry&siliceous schist, hard quartz, the hardest sandstone &limenstone rockf=15The b
-
32mm First Class Taper Button Drill Bit for Hard Stone
Hardness LevelTypical Rockf gradePhotoIThe hardestthe hardest and compact quartz, basalt and other special hard rocksf=20IIstrong hardvery hard granite&quartz porphyry&siliceous schist, hard quartz, the hardest sandstone &limenstone rockf=15IIIvery hardcompact granite, ver hard sandstone
-
34mm Best Carbide Taper Button Bore Bit for Hard Quarry
Rock GradeHardness LevelTypical RockF gradeApplicable button bitIThe hardestthe hardest and compact quartz, basalt and other special hard rocksf=20The best qualityIIstrong hardvery hard granite&quartz porphyry&siliceous schist, hard quartz, the hardest sandstone &limenstone rockf=15The b
-
Chinese Factory HSS Annular Cutter Used to Magnetic Drill
Basic Info. Model NO. DNHC
-
High Speed Steel Magnetic Drill with 25mm of Cut
-
31.75mm Weldon Shank HSS Magnetic Core Drill
Basic Info. Model NO. DNTP
-
50mm Depth Thread Shank Tct Annular Cutter in Drill Bit
Basic Info. Model NO. DNTL
-
25mm Depth Universal Shank HSS Hole Core Drill
