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Thread Shank HSS Mini Annular Cutter
TypeTypeSizeDMFU-100808*6.35DMFU-1010010*6.35DMFU-1012012*6.35DMFUDMFU-1014014*6.35DMFU-1016016*6.35DMFU-1018018*6.35DMFU-1020020*6.35
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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
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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
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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
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Chinese Factory HSS Annular Cutter Used to Magnetic Drill
Basic Info. Model NO. DNHC
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High Speed Steel Magnetic Drill with 25mm of Cut
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31.75mm Weldon Shank HSS Magnetic Core Drill
Basic Info. Model NO. DNTP
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50mm Depth Thread Shank Tct Annular Cutter in Drill Bit
Basic Info. Model NO. DNTL