tile drill concrete drill wall drill iron tile glass woodworking electric hand drill turning head punching universal triangle drill

super hard tungsten steel hard alloy(超硬质钨钢硬质合金)

3+4+5+6+8+10+12(3＋4＋5＋6＋8＋10＋12) 6+6+6+8+8+10+12(6＋6＋6＋8＋8＋10＋12) dustproof box +6+6+8+8+10+12(防尘盒＋6＋6＋8＋8＋10＋12) dustproof box 6+8+10+12(防尘盒6＋8＋10＋12) dustproof box 6+8) 2 each(防尘盒6＋8）各2支) 6-8+10+12(6-8＋10＋12) 3+4+5+6-8(3＋4＋5＋6-8) 66+8+10+12(66＋8＋10＋12) (6+8) two each(（6＋8）各两支) (6+8+10)(（6＋8＋10）) 6+8+8+10+12(6＋8＋8＋10＋12) (68.) five for each(（68.）各五支) (6+8+10) two each(（6＋8＋10）各二根) 3+4+5-6(3＋4＋5-6) 6mm10 pieces(6mm10支) 8mm10 pieces(8mm10支) 8mm1 piece(8mm1支) 10mm1.(10mm1支.) 12mm1.(12mm1支.) 6mm2(6mm2支) 8mm2(8mm2支) 10mm2(10mm2支) 12mm2(12mm2支) 6mm5 pieces(6mm5支) 8mm5 pieces(8mm5支) 10mm5 pieces(10mm5支) 12mm5 pieces(12mm5支) ordinary 6mm1 pieces (you need to open the blade yourself)(普通6mm1支（需自己开刃）)