22 Types of Drill Bits | Drill Bit Types And Uses | Different Drill Bits Name | Best Drill Bits For Cutting Work
What Are Drill Bits?
Drill bits are one type of cutting tool, which is used for enlarging and making holes in solid metal. These drill bits are used with drill press equipment or manual operated drills and these machines used a key to loosen or tighten a clamp.
The drills bits are very useful tools in a workshop and are required in almost every project. But different types of drills are available in the market so that before use you can understand which types of drills are required and also the purpose of work and the drill bits are available in a wide range of type of sizes.
Materials Use In Drill Bits
The following types of materials are used for the manufacturing drill bits,
- For One-piece construction: Carbon Steel or High-Speed Steel.
- For Two-Piece Construction:
- For Cutting Portion: High-Speed Steel
- For Shank Portion: Carbon Steel with a minimum tensile strength of 70 kg/sq.mm.
The High-Speed drills are mostly used due to their cutting efficiency.
Types of Drill Bits
The following are different types of drill bits,
- Flat Drills
- Twist Drills
- Straight Fluted Drills
- Double Fluted Drills
- Multi Fluted Drills
- Centre Drills
- Countersinking Drills
- Counter Boring Drills
- Shell Drills
- Step Drills
- Spirec Drills
- Auger Drills
- Masonry Drills
- Rivet Drills
- Installer Bits
- Plug Cutters
- Hole Saw
- Glass Bits
- Hammer Bits
- Forstner Bits
- Tile Bits
- Plug Cutters
Here the above mention type of drill bits is briefly explained.
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Flat Drills
Flat Drill
Commonly, the Flat Drills are made of a slender stick of High Carbon Steel, and their cutting edge is tempered in shape and hardened.
So that it can be made in any size and any shape easily also these types of drills are cheap, the flat drills are used to bore holes in soft metals and carpentry work.
The Flat Drills are not used for the borehole in iron material, but the biggest advantage of a flat drill is used for solid metals, and their cutting points are kept at a 90-degree angle, whereas any other type of drill gets broken.
Twist Drill Bits
Twist Drills
Generally, the thick drills and twist drills are used to the borehole in accurate size, quickly, and clean and this is generally made of thin rods of alloy steel and high-Speed steel.
Straight Fluted Drill
Straight Fluted Drill
This Straight Fluted Drill Consists of flutes or grooves that are running parallel to the axis of a drill but this drill is not suitable in standard practice and does not automatically pop out of the hole.
The Straight Fluted Drills are essentially used in copper, drilling brass, or other softer materials, the drilling twist brass moves faster than a drill feed, and the dig or drill into the metal.
Double Fluted Drills
Double Fluted Drills
These Double Fluted Drills are suitable for all types of work because it is stronger and best than other types of drill. These two flutes of drills are opposite each other.
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Multi Fluted Drills
Multi Fluted Drill
Multi-Fluted Drills as the name suggests it has more than two flutes in the drills and this feature distinguishing is that due to its bigger edge of cutting so that boring a hole quickly and also clean quickly, and multi fluted drills are used for special jobs.
Centre Drills
Centre Drill
A Centre Drill is also known as a Combination Drill and this drill Countersinking and drilling can work simultaneously and also this drill is used for Fastening.
Counter Sinking Drills
Countersink Drill
Where the counter head screws are to be installed at that place, countersinking is drilling the holes. And its Cutting Point of ground at 60 Degree or 82 Degree.
Counter Boring Drills
Counterboring Boring Drills
The counterboring drills are also known as a Counter boring Cutter. When Allen Screws are fit then counterboring is Work Drill, These Allen screws also fixing like a Counter Screw on the Work Surface.
Generally, the Counter Boring Drills are used for enlarging a Hole and hole boring done up to the height of the Screw Head. Also, the boreholes are cut at 60 degrees to 82 degrees angle slanting from the top.
Spirec Drills
Spirec Drills
The Spirec Drills are delicate type drills, and also used for boring a hole in the store nipple, Spray Pump Nozzle, Etc. and their range of size is 0.0086” to 0.0984”.
Shell Drills
Shell Drills
Shell Drills are a unique type of drill, and they consist of four flutes also its upper parts are 1/3” / Foot in taper shape and shape like a face cutter and side cutter.
Generally, Shell Drills are used for enlarging the boreholes, and milling works.
Step Drills
22 Types of Drill Bits | Drill Bit Types And Uses | Different Drill Bits Name
Step Drills are mainly used for drilling holes on sheet metal and the appetence of this drill is like a descending shape of a ladder step drill are costly. If you work regularly with a metal sheet then only you can purchase otherwise you won’t purchase it.
The Step Drills are allowing to you drill the borehole of various diameters and the other thing is it makes de-burr holes and also you can easily clean out the waste material.
Installer Bits
Installer Drill
These installer Drill bits are used for drilling holes and installing wires for security systems and entertainment purposes and the installer bits look like an auger drill bits.
The installer bits are long up to 18 inches and also use this drill through masonry, wood, and plaster.
Masonry Bit
Masonry Drill
Masonry Drill Bits are used where stone, Concrete, and brickworks are going on, and then whenever those wear out you need to replace them.
Same thing if you want to drill into the Concrete for a long period then it causes the tip to be melted. You can easily change the drill out of the concrete so that it can reduce the problem.
Rivet Drills
Rivet Drill Bit
The Rivet Drills are mainly designed for drilling tiny rivets into the piece of thin Sheet metal.
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Auger Drill Bits
Auger Drill Bits
The auger drill bits are used for making a hole in dry wood and thick wood; also you don’t apply too much pressure.
Tile Drill Bits
Tile Drill Bit
This tile drill bit Consists of a carbide tip to drill into a certain tile that reduces the chance of cracks and chips.
Hammer Drill Bits
Hammer Drill Bit
This Hammer Drill Bit is used for drilling a precise hole in the slab which is required for relative humidity and completion.
Glass Drill Bits
Glass Drill Bits
The glass drill bits are used to drill a plastic, glass, brick, marble, composite material, hollow brick, and some others,s and also this glass drill has excellent to resist high temperatures.
Forstner Bits
Forstner Drill
Forstner Drill Bit makes a smooth and clean hole in any type of wood, and also its pointed tip helps to keep the drill exactly where you want.
Hole Saw
Hole Saw
Hole Saw type drills are used for installing a door, hardware and wiring pass through. This hole saw creates a useless side cut out and plugs in the saw and pushes it out.
The small hole saws include a built-in shank rather than a pilot bit, also bi-metal hole saws make a hole in metal and wood.
Plug Cutter
Plug Cutter
The plug cutter creates a hole in the wood and also cut a wooden plug together, also used for wooden professional work.
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FAQs:
What is a drill bit?Drill bits are one type of cutting tool, which is used for enlarging and making holes in solid metal. These drill bits are used with drill press equipment or manual operated drills and these machines used a key to loosen or tighten a clamp.What are the Types of Drill Bits?The Following 22 Types of Drill Bits used,
1. Flat Drills
2. Twist Drills
3. Straight Fluted Drills
4. Double Fluted Drills
5. Multi Fluted Drills
6. Centre Drills
7. Countersinking Drills
8. Counter Boring Drills
9. Shell Drills
10. Step Drills
11. Spirec Drills
12. Auger Drills
13. Masonry Drills
14. Rivet Drills
15. Installer Bits
16. Plug Cutters
17. Hole Saw
18. Glass Bits
19. Hammer Bits
20. Forstner Bits
21. Tile Bits
22. Plug CuttersWhat is a Masonry Bit?Masonry Drill Bits are used where stone, Concrete, and brickworks are going on, and then whenever those wear out you need to replace them.
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