There are drill bit sets or packs that usually contain bit sizes that range from 1/16 of an inch to 1/4 of an inch, which are common sizes for home and shop projects. Other sizes of use would include 1/2 of an inch, 7/16 of an inch, 5/16 of an inch and 3/8 of an inch.
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What is a standard drill bit?

Bit size reflects the diameter of the body. Some projects call for specific drill bit sizes, but a bit set that includes sizes from 1/16 inch to 1/4 inch will work for many jobs around the home and workshop. You can add larger bits — 5/16-inch, 3/8-inch, 7/16-inch and 1/2-inch bits — if you need them.

What is the standard size drill?

Drill sizeDiameter (in)Diameter (mm)
1.4 mm0.05511.4000
1.5 mm0.05911.5000
1/16 in0.06251.5875
What size drill bit should I use for?

Use a bit 1/64” smaller than the target hole size for softwoods. Use a bit exactly the same size as the hole when working on other materials. If you’re not sure which to select, choose a drill bit 1/64” larger than the hole you wish to create. This will account for variables such a wood density and screw type.

What size hole should I drill?

“You want a drill bit that’s big enough to drill a hole in the wall, and easy to push the anchor in with your thumb,” Donahue explains. “You don’t want to have to force it in there. The drill bit should be the same size as the body of the anchor you’re using.”

What size is a number 20 drill bit?

SizeDecimal EquivalentSize
.60 mm0.023620
730.0244.10 mm
720.0254.20 mm
What size drill bit is a number 7?

A number 7 drill bit is 0.2010 inches. As a fraction, the 0.2010 decimal is 201/1000.

What size is a 12 mm drill bit?

Drill Bit Hole Diameters
Metric SizeFractional Size
10 mm.393719/64
11 mm.43315/16
12 mm.472421/64
What size is a 6 mm drill bit in standard?

6mm is 0.2362198 inches. 15/64 is 0.234 inches.

What size is 8mm drill bit?

TapMetric DrillUS Drill
6mm x 1.05.2mm
7mm x 1.06.1mm15/64″
8mm x 1.256.9mm17/64″
8mm x 1.07.1mm
Will any drill bit fit any drill?

Do all drill bits fit in all drills? No, not all drill bits fit in all drills. … ½” sized drills will accept up to ½” drill bit shafts as well as and 3/8” sized bits. Regular drill bits without a hex shanked bit holder cannot be used in an impact driver, however, hex shanked bits can be used in regular drill drivers.

What can I use instead of a 5/16 drill bit?

5/16 converts to 10/32. Assuming your bit set is that granular, the next larger size is 11/32, and the next smallest size is 9/32. Those aren’t necessarily common sizes, however. The next size up in x/16 would be 6/16, which is 3/8.

How do I know what screwdriver bit to use?

Choose the bit size that fills the screw head entirely. A bit that is too big or too small will not seat properly, and you’ll end up with a stripped screw.

Which drill bits are for wood?

High-Speed Steel (HSS) drill bits are used for drilling wood, light metals, fiberglass and PVC. Black oxide-coated drill bits are more durable than standard HSS bits and the coating helps the drill bit resist rust. These are best for hardwood, softwood, PVC, fiberglass and steel.

Are drill bits universal?

Universal drill bits, which are available at local home improvement and hardware stores, can be used to drill holes in a variety of materials, from wood to concrete. … Although universal drill bits can be pricey, it usually pays to invest in high-quality bits since they’ll get a lot of use.

What size is 21 drill bit?

To Tap This Size Screw Or Bolt:Use This Drill Bit:(Closest Fractional:)
10-24 NC#255/32″
3/16-32 NS#22
10-32 NF#215/32″
What size is a number 47 drill bit?

Drill Size.Drill Size49=57/6448=29/325/64=59/6447=15/16

What size is #8 drill bit?

Screw SizePilot hole size for hardwoods*Pilot hole size for softwood**#55/64″1/16″#63/32″5/64″#73/32″5/64″#81/8″3/32″

How do you drill and tap a 1/4 20 hole?

  1. Measure the location needed for the 1/4-20 tapped hole. …
  2. Set the point of the center punch on the location of the hole to be tapped. …
  3. Insert the drill bit into the drill. …
  4. Apply pressure to the drill. …
  5. Insert the 1/4-20 tap into the tee handle. …
  6. Attach the flapper wheel to the grinder.
What size is a 7mm drill bit in standard?

TapMetric DrillUS Drill6mm x 1.05.2mm-7mm x 1.06.1mm15/64″8mm x 1.256.9mm17/64″8mm x 1.07.1mm-

Is 3/8 drill bit the same as 10mm?

7mm = almost 9/32 inch (= a bit over 1/4 inch) … 10mm = just over 3/8 inch. 11mm = almost 7/16 inch. 12mm = almost 15/32 inch (= almost 1/2 inch)

What drill bit is 5mm?

Drill sizeDiameter (in)4.7 mm0.18504.8 mm0.18904.9 mm0.19295 mm0.1969

What can I use instead of 3/8 drill bit?

If it’s UNF 3/8 24TPI, you need 1/24″ smaller drill, which means a 0.3333″. 21/64″ would be slightly under, 11/32″ slightly over. A letter R drill would probably be “perfect”, a letter Q drill is about a thou under.

What size is a number 30 drill bit?


What is 16mm in standard?

Bolt DiameterMetricStandard7/16″16mm5/8″1/2″19mm3/4″9/16″21mm13/16″22mm7/8″

What size drill bit do I need for a M8 Rawl Bolt?

Answer: Hi, The M8 Rawlbolt requires a 14mm drill bit for installation.

Can you use a different brand drill bit?

Second, the diameter of the shank, which must be the same as the chuck size of the electric tool. Therefore, different brands of drill bits can be used for any branded-machine that provided the same shank size and diameter.

Can hammer drill bits be used with regular drill?

Concrete, no. Unless your “regular” drill has a hammer mode, you’ll spin that bit for an age and not get through concrete. You need impact action to break through the stones.

Can you use screwdriver bits in a drill?

Cordless drills can generally be used as screwdrivers. Corded drills, however, usually lack a clutch and therefore cannot be used as screwdrivers, as they will strip the screw head after driving the screw. There are a few more details than this, though, so keep reading to ensure your specific drill can drive screws.

What size drill bit do you use for a 5/16 bolt?

I would go with a 3/8″ hole for a 5/16″ bolt or an 11/32″ hole if you need a tighter tolerance.

Are screwdriver bits a standard size?

They come in three main sizes – 1/4”, 5/16”, and 3/8”. Sometimes these sizes will be slightly small for the screw at hand.

What is the difference between a 1 and a 2 Phillips screwdriver?

The most common sizes are #2 and #1, #2 for standard screw sizes, #1 for “miniature”. … Phillips head screwdrivers are designed to “cam out”, which means they are designed to slip out of the screw, so you don’t over-tighten them.

What is the most common screwdriver bit?

Bit typeAbbreviationCommon sizesFlat blade/3 ; 4 ; 4.5 ; 5.5 ; 6 ; 6.5 (mm)PhillipsPHPH0, PH1, PH2, PH3, PH4PozidrivPZPZ0, PZ1, PZ2, PZ3, PZ4TorxTT10, T15, T20, T25, T30, T40

What are the 5 types of drill bits?

  • Twist Drill Bits. Also known as high-speed bits, they resemble corkscrews and are some of the most popular bits. …
  • Brad Point Drill Bits. …
  • Masonry Drill Bits. …
  • Rivet Drill Bits. …
  • Spade Drill Bits. …
  • Installer Bits. …
  • Step Bits. …
  • Auger Bits.
How many types of drill bits are there?

Drill bits are generally classified as Twist Drill, Counterbore, Countersink, Flat Bottom Boring, and Specialty. On our web site we have divided these into two categories: Drill Bits – Normally used with hand held drills or drill presses fitted with standard chucks.