# #35 drill size

A #35 drill is 0.1100 in (2.79 mm). It sits between #36 and #34 in the number series; the nearest metric drill is 2.8 mm.

## #35 drill data

- Series: Number drill
- Decimal: 0.1100 in
- Metric: 2.79 mm (2.7940 mm exact)
- Nearest metric drill: 2.8 mm (+0.006 mm)
- Nearest fractional: 7/64" (0.1094 in)

## Nearest metric drills

| Metric drill | Inch | Difference |
|---|---|---|
| 2.75 mm | 0.1083 | −0.044 mm |
| 2.8 mm | 0.1102 | +0.006 mm |

## Nearby inch drills

| Drill | Series | Inch | mm |
|---|---|---|---|
| #36 | Number | 0.1065 | 2.71 |
| 7/64" | Fractional | 0.1094 | 2.78 |
| #35 | Number | 0.1100 | 2.79 |
| #34 | Number | 0.1110 | 2.82 |
| 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 |
|---|---|---|
| #6-32 UNC | #36 | 69 |

## Clearance

| Fastener | Diameter | Clearance | Per side | ISO 273 |
|---|---|---|---|---|
| #1 screw | 0.0730" | 0.0370" | 0.0185" | – |
| #2 screw | 0.0860" | 0.0240" | 0.0120" | – |
| M2.5 bolt | 2.5 mm | 0.29 mm | 0.15 mm | Close fit (close 2.7, normal 2.9 mm) |
| #3 screw | 0.0990" | 0.0110" | 0.0055" | – |


## FAQ

**What size is a #35 drill?**
A #35 drill is 0.1100 in, which is 2.79 mm (2.7940 mm exactly).

**What is the metric equivalent of a #35 drill?**
The nearest metric drill is 2.8 mm, 0.006 mm larger. The other close size is 2.75 mm.

**What thread can I tap with a #35 drill?**
It leaves about 69 % thread in #6-32 UNC.

**Which fractional drill is closest to #35?**
7/64 in (0.1094 in) is the closest, 0.0006 in smaller.

**What does a #35 drill clear?**
It clears a #3 screw with 0.0110" total clearance (0.0055" per side).

Source page: https://machinistcharts.com/drill-size/number-35/
Updated: 2026-10-06
Publisher: MachinistCharts (https://machinistcharts.com)