8 Pcs White Carbon Steel Twist Drill Bit Set, Heat Treated Industrial Drill Bits with Polished Surfaces, 14 to 25 mm Round Shank for Drilling, 150 mm Length with Wooden Box

Produktbeschreibung

Heat Treatment: Hardened carbon steel construction with polishing surfaces; Optimized heat dissipation extends tool life during continuous drilling; Engineered for demanding tasks on hardwoods, soft metals (1 mm thickness) and rigid plastics in construction sites or furniture workshops Thick Material Drilling Capacity: 14-25 mm size range handles large hole requirements; Reinforced 150 mm body length provides stability when penetrating thick wooden beams or metal plates; Round shank design ensures secure grip in standard drill chucks for renovations Friction Reduced Polishing Tech: Mirror-finished surface minimizes resist during operate; Prevents material adhesion on drill flutes when working with sticky woods or soft aluminum; Maintains drilling speed consistency for electricians installing conduits or carpenters creating dowel joints Professional Work Space Efficiency: 8 graduated sizes cover from pilot holes to final bore size; Hardwood storage box organizes bits by size markings (14/16/18/19/21/22/24/25 mm); Quick-access system saves time for builders managing multiple projects on-site Multi Industry Adaptability: 1827 g weighted set balances durability and portability; Withstands torsion applications in automotive repair shops or steel fabrication; Recommended for amateur craftsmen and professionals drilling alloy sheets or PVC piping