US Tap and Drill Bit Size Table
| Tap | Fractional Drill Bit | Letter Drill Bit |
|---|---|---|
| 5/16″-18 | 17/64″ | F |
| 5/16″-24 | – | I |
| 3/8″-16 | 5/16″ | – |
| 3/8″-24 | 21/64″ | Q |
What drill bit can I use instead of 3 8?
| Drill Bit Hole Diameters | ||
|---|---|---|
| Metric Size | Fractional Size | |
| 13 mm | .5118 | 11/32 |
| 14 mm | .5512 | 23/64 |
| 15 mm | .5906 | 3/8 |
How many mm is a 3/8 drill bit?
| Drill Bit Hole Diameters | ||
|---|---|---|
| Metric Size | Fractional Size | |
| 15 mm | .5906 | 3/8 |
| 16 mm | .6299 | 25/64 |
| 17 mm | .6693 | 13/32 |
What size is 8mm drill bit?
7.1mm
Metric Tap and Drill Bit Size Table
| Tap | Metric Drill | US Drill |
|---|---|---|
| 8mm x 1.0 | 7.1mm | – |
| 10mm x 1.5 | 8.7mm | – |
| 10mm x 1.25 | 8.9mm | 11/32″ |
| 10mm x 1.0 | 9.1mm | – |
What standard size is closest to 10mm?
Metric / Standard Wrench Conversion Chart
| Bolt Diameter | Metric | Standard |
|---|---|---|
| 1/8″ | 8mm | 5/16″ |
| 3/16″ | 10mm | 3/8″ |
| 1/4″ | 11mm | 7/16″ |
| 5/16″ | 13mm | 1/2″ |
Will an m10 bolt fit 3/8 hole?
Yes, a 10mm hanger will physically fit on a 3/8″ bolt. 3/8″ = 9.525mm I don’t see any problem with that at all. Just don’t apply that thinking to drill bit diameters and bolt sizes! No mismatching of bolts and holes allowed.
How do you calculate tap drill size?
How to Calculate Tap Drill Size. Apply the numbers to the formula using an 84 percent thread depth. The formula would be: Dh = 0.252 — 0.0130 (84/20) = 0.0130 (4.2) = 0.252 — 0.0546 = 0.1974 inches. Find the nearest drill bit size in 1/16ths of an inch. Multiply 0.1974 times 16 and the answer is 3.15.
What is the standard size of a drill bit?
Drill bit sizes are written down on paper and etched onto bits as irreducible fractions. So, instead of 78/64 inch, or 1 14/64 inch, the size is noted as 1 7/32 inch. Below is a chart providing the decimal-fraction equivalents that are most relevant to fractional-inch drill bit sizes (that is, 0 to 1 by 64ths).
What is the diameter of a drill bit?
ANSI B94.11M-1979 sets size standards for jobber-length straight-shank twist drill bits from 1/64 inch through 1 inch in 1/64 inch increments. The drill size chart contains tools up to 1.5 inches in diameter, but larger tools are also commonly used.
What are drill bit sizes?
Metric drill bit sizes. Metric drill set, 1.0–6.0 mm by 0.1 mm, jobber length. The case that holds them in an indexed…
