What Colour Drill Bit 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.

What colour drill bit for wood.

High speed steel hss drill bits are used for drilling wood light metals fiberglass and pvc. Black oxide coated drill bits are more durable than standard hss bits and the coating helps the drill bit resist rust. These are best for hardwood softwood pvc fiberglass and steel. 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.

They often are fully black plain hss golden often titanium oxide finish or coppery often cobalt steel in color. You can distinguish an hss bit by its black color a conventional steel bit is chrome. Wood bits are typical black and silvery in color but other colors exist. There are black oxide bits masonry bits and wood brad bits.

Carbon steel these bits are specially ground for drilling wood and should not be used for drilling metals they tend to be more brittle less flexible than hss bits. 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. Using an expanded brad point tip with angle spurs and a distinguishable spike spade bits are a drill bit type used exclusively for drilling large holes through wood.