# #32 drill size

A #32 drill is 0.1160 in (2.95 mm). It sits between #33 and #31 in the number series; the nearest metric drill is 2.95 mm.

## #32 drill data

- Series: Number drill
- Decimal: 0.1160 in
- Metric: 2.95 mm (2.9464 mm exact)
- Nearest metric drill: 2.95 mm (+0.004 mm)
- Nearest fractional: 7/64" (0.1094 in)

## Nearest metric drills

| Metric drill | Inch | Difference |
|---|---|---|
| 2.9 mm | 0.1142 | −0.046 mm |
| 2.95 mm | 0.1161 | +0.004 mm |

## Nearby inch drills

| Drill | Series | Inch | mm |
|---|---|---|---|
| 7/64" | Fractional | 0.1094 | 2.78 |
| #33 | Number | 0.1130 | 2.87 |
| #32 | Number | 0.1160 | 2.95 |
| #31 | Number | 0.1200 | 3.05 |
| 1/8" | Fractional | 0.1250 | 3.17 |
| Letter A | Letter | 0.2340 | 5.94 |

## Threads this drill can tap

| Thread | Standard drill | Thread % with this drill |
|---|---|---|
| M3.5 × 0.6 | 2.9 mm | 71 |
| #6-40 UNF | #33 | 68 |

## Clearance

| Fastener | Diameter | Clearance | Per side | ISO 273 |
|---|---|---|---|---|
| #1 screw | 0.0730" | 0.0430" | 0.0215" | – |
| #2 screw | 0.0860" | 0.0300" | 0.0150" | – |
| M2.5 bolt | 2.5 mm | 0.45 mm | 0.22 mm | Normal fit (normal 2.9, loose 3.1 mm) |
| #3 screw | 0.0990" | 0.0170" | 0.0085" | – |
| #4 screw | 0.1120" | 0.0040" | 0.0020" | – |


## FAQ

**What size is a #32 drill?**
A #32 drill is 0.1160 in, which is 2.95 mm (2.9464 mm exactly).

**What is the metric equivalent of a #32 drill?**
The nearest metric drill is 2.95 mm, 0.004 mm larger. The other close size is 2.9 mm.

**What thread can I tap with a #32 drill?**
It leaves about 71 % thread in M3.5 × 0.6 and 68 % in #6-40 UNF.

**Which fractional drill is closest to #32?**
7/64 in (0.1094 in) is the closest, 0.0066 in smaller.

**What does a #32 drill clear?**
It clears a #4 screw with 0.0040" total clearance (0.0020" per side).

Source page: https://machinistcharts.com/drill-size/number-32/
Updated: 2026-10-06
Publisher: MachinistCharts (https://machinistcharts.com)