Table of Contents
What is a 5 32 drill bit equivalent to?
| Drill Bit Hole Diameters | ||
|---|---|---|
| Metric Size | Fractional Size | |
| .8 mm | .0315 | 1/8 |
| .9 mm | .0354 | 9/64 |
| 1 mm | .0394 | 5/32 |
What size drill bit do I need for a 5/16 screw?
They have slightly different requirements for some screw sizes.
| Screw Size | Screw Threads per Inch | Recommended Hole Diameter |
|---|---|---|
| #10 | 12 | 0.1590″ |
| #12 | 11 | 0.1875″ |
| #14 / 1/4″ | 10 | 0.2188″ |
| 5/16″ | 9 | 0.2900″ |
What size predrill for wood screws?
For hardwoods, use a drill bit that’s slightly larger than the screw diameter. If you’re unsure which to select, choose a drill bit that’s 1/64” larger than the screw diameter.
Should a drill bit be the same size as the screw?
If you are creating a pilot hole for a nail, the right drill bit is slightly smaller than the nail’s shank. If you are creating a pilot hole for a screw, the drill bit should be the same size as the body of the screw—not including the threads.
What size hole do you drill to tap a 5/16 bolt?
| To Tap This Size Screw Or Bolt: | Use This Drill Bit: | (Closest Fractional:) |
|---|---|---|
| 5/16-18 NC | Ltr.F | 17/64″ |
| 8mm-1.25mm | 6.9mm | 17/64″ |
| 5/16-24 NF | Ltr.I | – |
| 8mm-1.00mm | 7.1mm | – |
What size hole do I drill for a 5/16 tap?
OBW0549. Looking at the “Tap Drill Chart” section at the bottom, they recommend an “F” drill for a 5/16″-18 fastener. Then, looking up above at the “Decimal Equivalent Chart” section, an “F” drill measures 0.257″, about halfway between 1/4″ and 17/64″.
Should pilot hole be smaller than screw?
Choose the right size drill bit. If you are creating a pilot hole for a nail, the right drill bit is slightly smaller than the nail’s shank. If you are creating a pilot hole for a screw, the drill bit should be the same size as the body of the screw—not including the threads.
What size drill bit do I use for a 6 32 tap?
7/64″
US Tap and Drill Bit Size Table
| Tap | Fractional Drill Bit | Number Drill Bit |
|---|---|---|
| #6-32 | 7/64″ | 35 |
| #8-32 | – | 29 |
| #10-24 | 5/32″ | 25 |
| #10-32 | 5/32″ | 21 |
What size hole do you drill for a 6 32 tap?
Contact us for more information….Tap and Drill Size Chart.
| THREADSIZE | DRILL DIAMETER Coarse Thread | TAP DRILLSIZE |
|---|---|---|
| 3-48 | .0785 | No. 47 |
| 4-40 | .0890 | No. 43 |
| 5-40 | .1015 | No. 38 |
| 6-32 | .1065 | No. 36 |
Do I need to pre drill for wood screws?
Pilot holes are necessary if you’re drilling into hardwood, laminate, or need a precisely located fastener. They’re also recommended if the wood is likely to crack, or if appearance is important. You can skip the pilot holes when doing a rough build with softwood where appearance isn’t important.