## What are number sizes on drill bits?

Number drill bit gauge sizes range from size 80 (the smallest) to size 1 (the largest) followed by letter gauge size A (the smallest) to size Z (the largest). Although the ASME B94. 11M twist drill standard, for example, lists sizes as small as size 97, sizes smaller than 80 are rarely encountered in practice.

## What is the decimal size of a drill?

DECIMAL EQUIVALENTS

DRILL SIZE DECIMAL EQUIVALENT
3/64″ .0469
1.20mm .0472
1.25mm .0492
1.30mm .0512

What size is a number 3 drill?

7/32″

To Tap This Size Screw Or Bolt: Use This Drill Bit: (Closest Fractional:)
1/4-28 NF #3 7/32″
1/4-32 NEF 7/32″ 7/32″
1/4-40 NS #1
7mm-1.00mm 6.1mm 15/64″

What’s the decimal equivalent of a number 7 drill?

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

### What size is a 0.2 drill bit?

Standard metric drill bit sizes

Drill size Diameter (in)
0.1 mm 0.0039
0.2 mm 0.0079
0.3 mm 0.0118
0.4 mm 0.0158

### What size is a #45 drill bit?

Drill Bit Size Chart

Size Decimal Equivalent Decimal Equivalent
.44 mm 0.0173 0.1476
.45 mm 0.0177 0.1495
77 0.018 0.1496
.46 mm 0.0181 0.152

What size is #40 drill bit?

Drill Bit Size Chart

Size Decimal Equivalent Size
79 0.0145 28
.38 mm 0.015 9/64″
1/64″ 0.0156 3.60 mm
.40 mm 0.0157 27

What drill bit is 7mm?

Metric Tap and Drill Bit Size Table

Tap Metric Drill US Drill
6mm x 1.0 5.2mm
7mm x 1.0 6.1mm 15/64″
8mm x 1.25 6.9mm 17/64″
8mm x 1.0 7.1mm

#### What size is a #33 drill bit?

Drill Bit Size Chart

Size Decimal Equivalent Size
91 0.0083 35
90 0.0087 2.80 mm
89 0.0091 34
88 0.0095 33

What size is a #60 drill bit?

Drill size Diameter (in) Diameter (mm)
#62 0.0380 0.9652
#61 0.0390 0.9906
1 mm 0.0394 1.0000
#60 0.0400 1.0160

What are the standard drill sizes?

What are the standard drill sizes? Range 1 (R1) is shortest in length, more common for sizing production tubing or casing, and ranges from 18 to 22 ft. Range 2 (R2) is considered the standard length for drill pipe and ranges from 27 to 31 ft. Range 3 (R3) is common in casing and also deployed in deep water drilling applications.

## What size is a standard drill bit?

This final drill chart covers the standard bit sizes from 43/64 to 1 27/64. More About Drill Bit Sets and Sizing Some other helpful information to help you in your knowledge of drill bit sizes: Fractional Sizing Fractional sizing uses whole, half (1/2), quarter (1/4), eighth (1/8), sixteenths (1/16) and sixty-fourths (1/64).

## What size is a number 8 drill bit?

Thus, drill bit #8 is on the larger side of your standard drill set. Here we will give you drill bit #8 in decimal inches, drill bit #8 in fractional inches, and drill bit #8 in decimal millimeters (mm). The purpose of this page is to give you an alternate drill bit (approximate equivalent) to drill bit gauge size Number 8 (#8).

What are drill bits sizes?

Installer bits are designed for installing wiring.

• Self-centering drill bit ensures that the drill hole is accurately centered each time the drill is applied.
• Drill saw bits are used for cutting irregular holes in metal or wood.
• Pocket hole bits,when used with the proper jig,let you drill angled holes for screws.