# #60 drill size

A #60 drill is 0.0400 in (1.02 mm). It sits between #61 and #59 in the number series; the nearest metric drill is 1.0 mm.

## #60 drill data

- Series: Number drill
- Decimal: 0.0400 in
- Metric: 1.02 mm (1.0160 mm exact)
- Nearest metric drill: 1.0 mm (−0.016 mm)
- Nearest fractional: 3/64" (0.0469 in)

## Nearest metric drills

| Metric drill | Inch | Difference |
|---|---|---|
| 1.0 mm | 0.0394 | −0.016 mm |
| 1.05 mm | 0.0413 | +0.034 mm |

## Nearby inch drills

| Drill | Series | Inch | mm |
|---|---|---|---|
| 1/32" | Fractional | 0.0312 | 0.79 |
| #61 | Number | 0.0390 | 0.99 |
| #60 | Number | 0.0400 | 1.02 |
| #59 | Number | 0.0410 | 1.04 |
| 3/64" | Fractional | 0.0469 | 1.19 |
| Letter A | Letter | 0.2340 | 5.94 |


## FAQ

**What size is a #60 drill?**
A #60 drill is 0.0400 in, which is 1.02 mm (1.0160 mm exactly).

**What is the metric equivalent of a #60 drill?**
The nearest metric drill is 1.0 mm, 0.016 mm smaller. The other close size is 1.05 mm.

**Which fractional drill is closest to #60?**
3/64 in (0.0469 in) is the closest, 0.0069 in larger.

Source page: https://machinistcharts.com/drill-size/number-60/
Updated: 2026-10-06
Publisher: MachinistCharts (https://machinistcharts.com)