35/64" drill size
A 35/64 in drill is 0.5469 in (13.89 mm). It sits between 17/32 in and 9/16 in in the fractional series; the nearest metric drill is 13.9 mm.
35/64" at a glance
Decimal, metric and the nearest sizes in the other series.
Nearest metric drills
Metric drills step by 0.05 mm below 3 mm and by 0.1 mm from 3 mm. Difference is metric minus inch size.
| Metric drill | Inch | Difference | In inches | Hole |
|---|---|---|---|---|
| 13.8 mm | 0.5433" | −0.091 mm | −0.0036" | Smaller |
| 13.9 mm | 0.5472" | +0.009 mm | +0.0004" | Larger |
Nearby inch drills
The next size down and up in each inch series, so you can pick a substitute from the drawer.
Threads a 35/64" drill can tap
Threads from the tap tables on this site that this drill can tap, with the thread percentage it leaves (55–85 % shown).
| Thread | Standard drill | Thread with this drill | Suits |
|---|---|---|---|
| M16 × 2 | 14 mm | 81 % | Soft metals, plastics |
| 5/8-11 UNC | 17/32 | 66 % | Good in steel |
Clearance for screws and bolts
Bolts and screws a 35/64" hole clears, with the diametral clearance and the gap each side. Metric sizes are compared with ISO 273.
| Fastener | Diameter | Clearance | Per side | ISO 273, metric only |
|---|---|---|---|---|
| M12 bolt | 12 mm | 1.89 mm | 0.95 mm | Normal fit (normal 13.5, loose 14.5 mm) |
| 1/2" bolt | 0.5000" | 0.0469" | 0.0234" | – |
Inch clearance is the drill size minus the basic major diameter. A drilled hole usually cuts slightly oversize.
Fractional drill index
Every size in the series, holes drawn to scale.
Common questions
What size is a 35/64 in drill?
A 35/64 in drill is 0.5469 in, which is 13.89 mm (13.8906 mm exactly).
What is the metric equivalent of a 35/64 in drill?
The nearest metric drill is 13.9 mm, 0.009 mm larger. The other close size is 13.8 mm.
What thread can I tap with a 35/64 in drill?
It leaves about 81 % thread in M16 × 2 and 66 % in 5/8-11 UNC.
What does a 35/64 in drill clear?
It clears a 1/2" bolt with 0.0469" total clearance (0.0234" per side).