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.
What colour drill bit for wood.
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.
Black oxide coated drill bits are more durable than standard hss bits and the coating helps the drill bit resist rust.
Wood bits are typical black and silvery in color but other colors exist.
All drill bits are made from steel but high speed steel bits are an improvement over conventional steel ones.
These bits are not made for heavy duty projects but light duty projects.
High speed steel hss drill bits are used for drilling wood light metals fiberglass and pvc.
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.
Twist bits are also available coated with titanium nitride tin these are easily identified by the gold like colour.
There are black oxide bits masonry bits and wood brad bits.
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.
Metal drill bits on the other hand have just an angle at the tip.
These are best for hardwood softwood pvc fiberglass and steel.