auger bit m43 cobalt-containing stainless steel special rotary drill iron metal punching high hardness straight handle drill full set

cobalt twist drill [strong wear resistance]](含钴麻花钻【耐磨性能强】)

[3+4 + 5mm] 3 pack(【3＋4＋5mm】 3支装) [3.2+4.2+5.2] 3 pack(【3.2＋4.2＋5.2】 3支装) [5+6+7 + 8mm] four pack(【5＋6＋7＋8mm】四支装) 8.5+10.5 + 12.5mm(8.5＋10.5＋12.5mm) [6+7+8+9 + 10mm] 5 pack(【6＋7＋8＋9＋10mm】 5支装) [6+8+10+12+14] 5 pack(【6＋8＋10＋12＋14】 5支装) [3+4+5+6+7+8+9+10]](【3＋4＋5＋6＋7＋8＋9＋10】) 1.5 [10 pieces]](1.5mm【10支】) 2mm [10 pcs]](2mm【10支】) 2.5 [10 pieces]](2.5mm【10支】) 3mm [10 pcs]](3mm【10支】) 3.2 [10 pieces]](3.2mm【10支】) 3.5 [10 pieces]](3.5mm【10支】) 4mm [10 pcs]](4mm【10支】) 4.2 [10 pieces]](4.2mm【10支】) 4.5 [10 pieces]](4.5mm【10支】) 5mm [10 pcs]](5mm【10支】) 5.2 [10 pieces]](5.2mm【10支】) 5.5 [10 pcs]](5.5mm【10支】) 6.0 [10 pieces]](6.0mm【10支】) 6.5 [10 pieces]](6.5mm【10支】) 7mm [5 pieces]](7mm【5支】) 7.5 [5 pieces]](7.5mm【5支】) 8.0 [5 pieces]](8.0mm【5支】) 8.5 [5 pieces]](8.5mm【5支】) 9.0mm [5 pcs]](9.0mm【5支】) 9.5 [5 pieces]](9.5mm【5支】) 10.0mm [5 pcs]](10.0mm【5支】) 10.5 [5 pcs]](10.5mm【5支】) 11mm [5 pcs]](11mm【5支】) 11.5 [5 pieces]](11.5mm【5支】) 12.0 [5 pieces]](12.0mm【5支】) 12.5 [1 piece]](12.5mm【1支】) 13.0 [1 piece]](13.0mm【1支】) 14.0 [1 piece]](14.0mm【1支】) 3.0 [1 piece]](3.0mm【1支】) one mm [1 piece]](一mm【1支】)