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Answer

What size is a standard drill bit?

Some applications require specific drill bit sizes, but a bit set with sizes ranging from 1/16 inch to 1/4 inch can cover a wide range of tasks around the house and workshop. If necessary, bigger bits (5/16-inch, 3/8-inch, 7/16-inch, and 1/2-inch) can be added. Bit sizes are usually printed on the shank of the drill bit.

What are the sizes of drill bits?

Drill Bit Lengths

• Jobber-length drill bits are the most common, with a length somewhere between 9 to 14 times the diameter.
• Screw-machine-length drills arethe shortest available standard sized bits. …
• Aircraft-length drills are extended length drill bits that are manufactured in fixed length such as 4, 6, 8, 12, 18, 24-inch bits, rather than proportional lengths.

What size is a number six drill bit?

Your pilot-hole drill-bit size will depend on the size of your sheet-metal screw. A size-4 screw should have a pilot-hole drill size of 3/32 inches; size 6, 7/64 inches; size 8, 1/8 inches; size 10, 9/64 inches; size 12, 5/32 inches; size 14-1/4 inches, 3/16 inches; and 5/16 inches, 1/4 inches.

How big is a drill bit?

The length of drill bits vary depending on their application. Jobber-length drill bits are the most common, with a length somewhere between 9 to 14 times the diameter. Screw-machine-length drills arethe shortest available standard sized bits.

What fractional size is a 29 drill bit?

Jobber Length Drill Bit: #29 Drill Bit Size, 1 3/4 in Flute Lg, 1/8 in Shank Dia.

What size is a number 29 bit?

To Tap This Size Screw Or Bolt:Use This Drill Bit:Decimal Inches8-32 NC#29.13608-36 NF#29.13608-40 NS#28.14053/16-24 NS#26.147044 more rows

What is the fractional size of a drill bit?

Fractional-Inch Drill Bit Sizes Fractional-inch sizes are in common use in the US and generally run from 1/64 inch up to 1 3/4 inch in 1/64″ increments. After that they run in 1/32″ increments up to 2 1/4″, then in 1/16″ increments to 3″, 1/8″ increments to 3 1/4 inches, then there’s a 3 1/2″ size.

What size is a 28 drill bit?

Jobber Length Drill Bit: #28 Drill Bit Size, 1 3/4 in Flute Lg, 1/8 in Shank Dia. Country of Origin USA.

What number is a 3/16 drill bit?

Drill Bit Hole DiametersMetric SizeFractional Size1 mm.03945/322 mm.078711/643 mm.11813/1677 more rows

What is equivalent to a 5’8 drill bit?

Jobber Length Drill Bit ChartFractional SizesDecimal Equivalent (Inches)Flute Length (Inches)5/8”0.6255-3/16”41/64”0.64065-3/16”21/32”0.65625-3/16”43/64”0.67195-5/8”113 more rows

What is a 5/16 drill bit equal to?

5/16 converts to 10/32.

What size is a number 30 drill bit?

1 5/8 inJobber Length Drill Bit: #30 Drill Bit Size, 1 5/8 in Flute Lg, 1/8 in Shank Dia. Country of Origin USA.

What number is a 1/8 drill bit?

Drill Bit Size ChartSizeDecimal EquivalentSize850.01131840.01153.10 mm.30 mm0.01181/8″830.0123.20 mm47 more rows

What size is a number 26 drill bit?

Extra Long Drill Bit: #26 Drill Bit Size, 2 55/64 in Flute Lg, 3.73 mm Shank Dia. Country of Origin France. Country of Origin is subject to change. These drill bits come in standard sizes expressed in decimal inches.

How are drill bits sized?

Typical drill bits have markings somewhere on the shank above the threads. It’s small, but it usually has the drill-bit diameter stamped into the metal; the number is written in fractions. For example, the markings may read: 1/4-inch, 3/6-inch or 25/32.

What is a #40 drill bit?

#40 drill bit = 0.0980 inches 0.0980 decimal as a fraction is 49/500. However, standard fractional drill bits come in intervals of 1/64 inches. Therefore, there are no standard fractional drill bits that are the exact 49/500 fraction that the #40 drill bit is.

What size is a number 30 drill bit?

1 5/8 inJobber Length Drill Bit: #30 Drill Bit Size, 1 5/8 in Flute Lg, 1/8 in Shank Dia. Country of Origin USA.

What is the diameter of a number 21 drill bit?

Wire Gauge (Number) M2 High-Speed Steel Drills – Premium Swift BoreProduct No.01421Drill SizeNo. 21Decimal Inches0.1590For Tap Size10-32 NF (National Fine SAE)Weight0.015 lbs1 more row

What is a #30 drill bit?

We start by displaying drill bit Number 30 in decimal inches as follows: #30 drill bit = 0.1285 inches. 0.1285 decimal as a fraction is 257/2000. However, standard fractional drill bits come in intervals of 1/64 inches.

What size is a 23 drill bit?

Jobber Length Drill Bit: #23 Drill Bit Size, 2 in Flute Lg, 9/64 in Shank Dia.

What is the measurement of drill bits?

Drill bits are available in different materials, lengths, and diameters. Most are measured by the metric units and in the USA it’s imperial units. Drill bit diameter is the most important factor in the drilling process and it should know precisely as much as possible to sharpen or tolerate the diameter.

How many mm is 1 inch?

1 inch is equal to 25.4 mm. By dividing the inches other fractions are introduced. Inches are really popular in the USA but beyond that mostly used the SI units. So we have to interchange the metric units and imperial units.

What is the largest drill bit size?

This chart rounds out the second half of these number gauge sizes down to #1, which is the largest drill bit size.

What is the typical drill bit angle?

The typical sizes of drill bit point angles are 115° or 118° (degrees).

How Do You Know What Size Drill Bits You Need?

If you’re an average weekend-warrior, you’ve probably stared at a screw or bolt for a few moments and wondered what size drill bit you would need.

What size drill is used for letter gauge?

Letter gauge drill sizes are used primarily in North American with A starting with the smallest size working 26 size increments to Z.

How to size screws?

First, you can size screws simply by inserting them into a hole then reading the marking.

Can we narrow down a bit?

Thankfully, we can narrow it down a bit to some standard sized holes and bits.

Is there a larger set of fasteners?

There are indeed larger sets. Specialty fasteners sometimes call for a size that would be considered uncommon.