Which drill bit for which job?
How do you know which drill bit to use?
The diameter of the hole you drill should be slightly smaller than the diameter of the screw. So, for example, if you’re using a 3.5 mm screw, use a drill bit with a diameter of 3 mm. If you’re using wall anchors as well as screws, the drill bit and anchors should have the same diameter.
What are the 5 types of drill bits?
Drill bits are designed to drill holes in a variety of different common materials. These include different types of wood, metal, plastic, ceramic tile, porcelain and concrete.
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.
What are four types of drill bits?
When using a combi drill or other type, the four main bits you’ll come across or need for your walls are a masonry bit, a wood bit, a tile bit, and a twist bit. Drill bits from different brands will look slightly different but they will still feature the same main characteristics to help you distinguish between them.
What is the difference between wood and metal drill bits?
Although wood and metal drill bits may on occasion be made out of the same materials, metal drill bits do need to be much harder and denser so they can drill into a much denser and harder material. Drill bits designed for wood are usually made out of something like high-speed steel, cobalt, or carbide.
How can you tell if a drill bit is for masonry?
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.
How can you tell if a drill bit is for metal?
How do you know if a drill bit is for metal? Usually, drill bits that are for metal can be distinguished by their black color. They are also usually made from tungsten carbide, cobalt or titanium, which should be noted on the packaging if you’re buying new.
Are drill bits universal?
No, not all drill bits fit in all drills. 3/8” sized drills will accept up to 3/8” drill bit shafts. ½” sized drills will accept up to ½” drill bit shafts as well as and 3/8” sized bits.