Description : -GET DRILLING DONE: For everyday DIY jobs, drill quickly and accurately in soft metals eg. aluminium, mild steel, wood, plasterboard/drywall and plastics. NB. Not suited for heat-treated or hardened steel -14 METRIC SIZES: The most-used sizes of round-shank twist drill bits for the electric drill driver. 99pc x Metal Drill Bits: 1.5, 2, 2.5, 3, 3.2, 3.5,4, 4.5, 5, 5.5, 6, 6.5, 8, 10mm -BETTER HSS STEEL: Using High-Speed Steel alloy, they cut faster, withstand higher temperatures and retains hardness for longer than ordinary high-carbon steel bits -LONG-LIFE TITANIUM COATING: Their golden vapour-deposited Titanium Nitride coating increases surface hardness and lubrication properties. Get improved wear resistance and sharpness with reduced friction and sticking.
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