Drill Bits
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 15pc Misc RIGHT ANGLE Aviation DRILL BITS All SHARP $12.50 Time Remaining: 27d 13h 3m Buy It Now for only: $12.50 |
 Aircraft Lot of NEW Cobalt Countersink Drill Bits 12 $19.99 (1 Bid) Time Remaining: 1d 13h 34m |
 40 DRILL BITS High Speed Steel 4 sizes 6 $17.54 Time Remaining: 14d 12h 50m Buy It Now for only: $17.54 |
 40 AIRCRAFT DRILL BITS COBALT 325 long 6ea $4.00 Time Remaining: 6d 11h 17m Buy It Now for only: $4.00 |
 2lb 90 Degree Drill Bits Grab Bag Approx 115 bits $15.29 Time Remaining: 20d 16h 35m Buy It Now for only: $15.29 |
 Aircraft Lot of NEW Cobalt Countersink Drill Bits D $19.99 Time Remaining: 1d 13h 34m |
 12 threaded drill bits 01900 SOLID CARBIDE 3ea $5.99 Time Remaining: 12h 54m Buy It Now for only: $5.99 |
 10 ea 11 Stubby Right Angle QC Drill Bit 1 2 Long $10.80 Time Remaining: 21d 19h 38m Buy It Now for only: $10.80 |
 3 16 Aviation 90 Degree Drill Bits Lot of 40 sharp $15.29 Time Remaining: 13h 5m Buy It Now for only: $15.29 |
 40 1 4 28 threaded drill bits solid carbide 3ea $5.99 Time Remaining: 29d 15h 29m Buy It Now for only: $5.99 |
 NEW Cobalt Steel Aircraft Countersink Drill Bits 10 $19.99 Time Remaining: 1d 13h 35m |
 5 32 DRILL BITS carbide 475 long 3ea $6.19 Time Remaining: 26d 8h Buy It Now for only: $6.19 |
 5 Ea 12 189 6 Double Margin Drill Bit Cobalt $11.70 Time Remaining: 19d 20h 50m Buy It Now for only: $11.70 |
 25 Drill bits High Speed Steel Cobalt 5 sizes 6 $14.84 Time Remaining: 14d 13h 15m Buy It Now for only: $14.84 |
 Lot of Mixed Aircraft Threaded Drill Bits 30 40 +++ $16.99 Time Remaining: 1d 13h 35m |
 40 DRILL BITS carbide 6 long 3ea $5.79 Time Remaining: 26d 7h 51m Buy It Now for only: $5.79 |
 1605 1 4 28 threaded drill bits 3ea $2.89 Time Remaining: 12h 59m Buy It Now for only: $2.89 |
 20 161 Aviation 90 Degree Drill Bits Lot of 40 $15.29 Time Remaining: 15d 14h 18m Buy It Now for only: $15.29 |
 250 1 4 28 threaded drill bits 10 3ea $5.99 Time Remaining: 16d 12h 2m Buy It Now for only: $5.99 |
 Lot of NEW 20 Aircraft Cobalt Countersink Drill Bits $24.99 Time Remaining: 4d 12h 51m |
 0097 1 4 28 threaded drill bits 15 3ea $2.99 Time Remaining: 16d 11h 47m Buy It Now for only: $2.99 |
 20 ea 11 Stubby Right Angle QC Drill Bit 1 2 Long $18.00 Time Remaining: 21d 19h 42m Buy It Now for only: $18.00 |
 20 Ea 12 189 6 Double Margin Drill Bit Cobalt $36.00 Time Remaining: 19d 21h 7m Buy It Now for only: $36.00 |
 250 1 4 28 threaded drill bits 15 3ea $5.99 Time Remaining: 16d 12h 10m Buy It Now for only: $5.99 |
 Lot of NEW 10 Aircraft Cobalt Countersink Drill Bits $19.99 Time Remaining: 4d 12h 51m |
 250 1 4 28 threaded drill bits 2125 3ea $5.99 Time Remaining: 16d 12h 15m Buy It Now for only: $5.99 |
 109 1 4 28 threaded drill bits 2125 3ea $5.99 Time Remaining: 16d 12h 21m Buy It Now for only: $5.99 |
 109 1 4 28 threaded drill bits 150 3ea $5.99 Time Remaining: 16d 12h 27m Buy It Now for only: $5.99 |
 NEW Cobalt Steel Aircraft Countersink Drill Bits 20 $19.99 Time Remaining: 4d 12h 51m |
 AIRCRAFT COBALT DRILL BITS KIT USA MADE 54 PIECES 5 10 13 16 21 27 30 40 1 4 $85.00 Time Remaining: 20d 13h 58m Buy It Now for only: $85.00 |
 0097 1 4 28 threaded drill bits 10 3ea $2.99 Time Remaining: 16d 11h 42m Buy It Now for only: $2.99 |
 10 Ea 12 189 6 Double Margin Drill Bit Cobalt $20.70 Time Remaining: 19d 20h 56m Buy It Now for only: $20.70 |
 109 1 4 28 threaded drill bits 10 3ea $4.99 Time Remaining: 16d 12h 32m Buy It Now for only: $4.99 |
 2lb 90 Degree Drill Bits Grab Bag Approx 115 bits $0.99 Time Remaining: 5d 11h 31m |
 40 Drill Bit 12 Long DB07C1 $9.95 Time Remaining: 21d 14h 14m Buy It Now for only: $9.95 |
 Spacematic 1910x375x500x248 Aircraft Drill Bit Lot $18.99 Time Remaining: 27d 4h 46m Buy It Now for only: $18.99 |
 30 Drill Bit 6 Long DB02C1 $2.98 Time Remaining: 21d 14h 17m Buy It Now for only: $2.98 |
Drill Bits
Uses And Care Of The Drill Bits
Drill bits, the most important part of any drill machine is used to bore cylindrical holes in different materials like metal, wood, plastics, etc. As per your requirement you can make the choice of drill bits. Although, most of these are abundantly available in the market with eye catching price tags, the decision should be made based on several factors.
This article discusses these aspects in detail.If you are looking for a few quick useful tools a set of steel twisted bits and a few masonry bits would be enough but if you are working on the floor then you would require bits which are larger and or designed for a specific purpose/material.
We come across many types of bits designed for a specific purpose. One such bit is the steel twist bits. The twist bits can be used for wood, plastic and similar material and are also useful while drilling metal sheets. The twist steel bits are mostly made up of either High Speed Steel or Carbon Steel. Both the drill bits serve a different purpose like the carbon steel drill bit is used for drilling wood and not metal.
The steel twisted bits coated with Titanium Nitride (TiN) are also available. These bits exhibit a typical gold like color. This coating provides the bit more hardness and also a self-lubricating property. This bit should only be used for drilling metal and not any other material. As these bits are thin and brittle Special care should be taken when using the smallest. Always hold the drill square to the work and apply only light pressure when drilling.
You can use a drill sharpener, a grindstone jig or an oilstone to do this for sharpening the blades. Sharpening the blades or drilling areas regularly keeps the bits in shape and hence is cost effective. But while sharpening the twist bits special care should be taken as titanium nitride coating can be destroyed. By forming a correct angle at the tip while drilling you can extend the life of your bits.
There are a variety of drill bits for different purposes. Some of them we can enlist here to give you a broad idea. The types of drill bits are:
Metal Drills
Ejector Drill
Core drill
Left-hand bit
Countersink bit
Indexable drill
Spade Drill
Trepan
Twist drill
Gun drill
Center drill
Wood Drills
Lip and spur drill
Spade bit
Brace drill bit
Auger bit
Gimlet bit
Step bit
Forstner bit
Hinge sinker bit
Adjustable Wood Bit
Other Materials
Diamond core bit
Masonry drill
Hole saw
PCB through-hole drill
Installer bit
About the Author
Increase the usefulness of your drill by finding the right drill bits. Read about your options at Drill-bits.biz.
Does anyone know where I can get or buy dental drill bits for use in egg carving?
I am wanting to try out egg carving using dremel and dental drill bits. I am disabled and can't spend much money so this seemed like a cheap fun hobby. I did see one drill bit from a company that makes lots of bits but at 25.00 per bit, that's not going to work lol Thanks for any help you can give me.
talk to your dentist and see if he has any old ones that he can't use any more. some times they will give them to you
Drill Bits