1-1/32 in Drill Size

fractional drill

1-1/32″ 1.0312 in 26.19 mm

A 1-1/32 in drill measures 1.0312 in. It taps 2 threads in this chart.

What a 1-1/32 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 1-1/32 in drill taps, with the percent of thread each one gets and the published chart drill for comparison.
Thread	% thread	Chart drill	Chart %
M30 x 3.5	83.7%	26.5 mm	77.0%
1-1/8-7	50.5%	63/64″	75.8%

Other jobs for a 1-1/32 in

Clearance hole: The through hole a bolt passes in, not a tapped hole: loose fit for 7/8-9, close fit for 1-8, loose fit for 7/8-14, close fit for 1-12, loose fit for 7/8-20, close fit for 1-20. See the clearance hole chart.

Drills either side

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

1-1/32 in drill: common questions

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

1.0312 inches, which is 26.19 mm. It is a fractional drill.

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

2 threads: M30 x 3.5 at 83.7%, 1-1/8-7 at 50.5%.

Is a 1-1/32 in drill used for clearance holes?

Yes: loose fit for 7/8-9, close fit for 1-8, loose fit for 7/8-14, close fit for 1-12. A clearance hole is not tapped; the bolt passes through it.

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

Down: 26 mm at 1.0236 in. Up: 26.5 mm at 1.0433 in.