How do I recognize a Metal drill bit?
How can you tell the difference between a wood and metal drill bit?
The main difference between a metal and wood drill bit is in geometry. The wood bit has a spur in the center that will penetrate the wood and keep the bit stable during drilling. The metal bit is a twist bit with conical cutting tips followed by spiral flutes.
Which drill bit is for metal?
Cobalt drill bits are used for drilling hard metal and steel. They dissipate heat quickly and are highly resistant to abrasions, making them better for drilling into hard metals than black oxide- or titanium-coated drill bits.
Are metal drill bits gold or black?
You can distinguish an HSS bit by its black color — a conventional steel bit is chrome. 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.
Do you need a special drill bit for metal?
No Fancy Drill Bits for Metal Required In fact, most drill bits for metal are manufactured to drill through a variety of materials, including wood and plastic. The least expensive twist bits are made of high-speed steel (HSS), and these basic bits are just fine for most metal-drilling tasks.
How do I identify a masonry drill bit?
Masonry Drill Bits – Best for Stone and Brickwork Masonry bits look like larger twist drills with a slightly tighter corkscrew shape. You can identify them thanks to their wide arrow-shaped heads. They’re commonly used in hammer drills to grind masonry down as they cut through it.
What do wood drill bits look like?
Wood drill bits are often silver. Tip. The tip of a metal drill bit will look different from the tip of a wood drill bit. Metal drill bits have a slightly angled tip, but a wood drill bit will have what’s known as a brad, which is a sharp tip that snags the wood and helps prevent the bit from wandering as it turns.
What do different color drill bits mean?
From experience, white is generally a fully ground HSS drill and should be of the best quality. The gold ones are titanium nitride plated and are generally either the best or poorer at fooling around.