What is #7 drill bit size?
0.2010 inches
A number 7 drill bit is 0.2010 inches. As a fraction, the 0.2010 decimal is 201/1000.
What size hole do I drill for a 10 32 Tap?
Tap Drill Size Chart
| Bolt Size | Drill Size | Closest Fractional |
|---|---|---|
| 10-32 NF | #21 | 5/32″ |
| 5mm-0.90mm | 4.2mm | – |
| 5mm-0.80mm | 4.3mm | – |
| 12-24 NC | #16 | 11/64″ |
What is the drill size for a 1/4 20 tap?
| To Tap This Size Screw Or Bolt: | Use This Drill Bit: | (Closest Fractional:) |
|---|---|---|
| 14-20 NS | #10 | – |
| 1/4-20 NC | #7 | 13/64″ |
| 14-24 NS | #7 | – |
| 6mm-1.00mm | 5.2mm | – |
What size is #8 drill bit?
If you need to create a tapered pilot hole, opt for a tapered bit with a slightly larger diameter. An 11/64,” 0.171,” or 4.36 mm bit is your best option….What Size Drill Bit for a #8 Screw?
| Screw Size | Drill Hole Size (Softwood) | Drill Hole Size (Hardwood) |
|---|---|---|
| #7 | 3/32″ | 3/32″ |
| #8 | 3/32″ | 1/8″ |
| #10 | 7/64″ | 1/8″ |
| #12 | 1/8″ | 9/64″ |
Why are drill bits numbered?
As mentioned at the beginning of the article, the numbers on a drill represent the amount of torque the tool can apply to an object (such as a screw) or for hole drilling. The numbers usually range from 1 to 20 (or more) with 1 representing the least amount of torque and 20, the greatest.
What size bolt fits a 1/4 hole?
Suggested pilot holes & drill sizes.
| Screw Size | Threads Per Inch | Recommended Hole Diameter for Material with Flexural Modulus of Up to 200,000 P.S.I. |
|---|---|---|
| #10 | 16 | 0.136″ |
| #12 | 16 | 0.157″ |
| #14 / 1/4″ | 15 | 0.189″ |
| 5/16″ | 14 | 0.238″ |
What size is 8mm drill bit in fraction?
| Drill Bit Hole Diameters | ||
|---|---|---|
| Metric Size | Fractional Size | |
| .7 mm | .0276 | 7/64 |
| .8 mm | .0315 | 1/8 |
| .9 mm | .0354 | 9/64 |
What is a number 8 drill?
Number Drill Sizes
| Drill | Inch | mm |
|---|---|---|
| 9 | 0.196 | 4.98 |
| 8 | 0.199 | 5.05 |
| 7 | 0.201 | 5.11 |
| 6 | 0.204 | 5.18 |
What number is a 10mm drill bit?
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 | – |