1-17/32 in Drill Size

fractional drill

1-17/32″ 1.5312 in 38.89 mm

A 1-17/32 in drill measures 1.5312 in. It taps 2 threads in this chart.

What a 1-17/32 in drill taps

Every thread this drill cuts between 50% and 85% of thread, deepest first. Outside that band it is the wrong drill for the job, so nothing below that line is listed.

Threads a 1-17/32 in drill taps, with the percent of thread each one gets and the published chart drill for comparison.
Thread	% thread	Chart drill	Chart %
M42 x 3	79.7%	39 mm	77.0%
M42 x 4.5	53.1%	37.5 mm	77.0%

Drills either side

1-27/64″ 1.4219 in · 36.12 mm Next size down
39 mm 1.5354 in · 39 mm Next size up

All drill sizes → · Open this drill in the calculator →

1-17/32 in drill: common questions

What size is a 1-17/32 in drill?

1.5312 inches, which is 38.89 mm. It is a fractional drill.

What can I tap with a 1-17/32 in drill?

2 threads: M42 x 3 at 79.7%, M42 x 4.5 at 53.1%.

What drill is next to a 1-17/32 in?

Down: 1-27/64 in at 1.4219 in. Up: 39 mm at 1.5354 in.