What Colour Drill Bit For Wood
Twist bits are also available coated with titanium nitride tin these are easily identified by the gold like colour.
What colour drill bit for wood. Wood bits are typical black and silvery in color but other colors exist. High speed steel hss drill bits are used for drilling wood light metals fiberglass and pvc. You can distinguish an hss bit by its black color a conventional steel bit is chrome. This is the typical christmas or father s day gift for dad but nowhere are these the best of the best drill bits for wood.
They most commonly feature a hex shank come in a range from 6 38mm in diameter and can be combined with an extension shank to extend their reach. There are black oxide bits masonry bits and wood brad bits. If you re drilling through hardened metal even an hss bit can wear out quickly and you may need one made from tungsten carbide or titanium. Black oxide coated drill bits are more durable than standard hss bits and the coating helps the drill bit resist rust.
They often are fully black plain hss golden often titanium oxide finish or coppery often cobalt steel in color. Metal drill bits on the other hand have just an angle at the tip. All drill bits are made from steel but high speed steel bits are an improvement over conventional steel ones. These are best for hardwood softwood pvc fiberglass and steel.