Tap Drill Size Chart

1-5/32 in Drill Size

fractional drill

1-5/32″ 1.1562 in 29.37 mm

A 1-5/32 in drill measures 1.1562 in. It taps 2 threads in this chart.

What a 1-5/32 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 1-5/32 in drill taps, with the percent of thread each one gets and the published chart drill for comparison.
Thread % thread Chart drill Chart %
M33 x 3.5 79.9% 29.5 mm 77.0%
1-1/4-7 50.5% 1-7/64″ 75.8%

Other jobs for a 1-5/32 in

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

Drills either side

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1-5/32 in drill: common questions

What size is a 1-5/32 in drill?
1.1562 inches, which is 29.37 mm. It is a fractional drill.
What can I tap with a 1-5/32 in drill?
2 threads: M33 x 3.5 at 79.9%, 1-1/4-7 at 50.5%.
Is a 1-5/32 in drill used for clearance holes?
Yes: loose fit for 1-8, close fit for 1-1/8-7, loose fit for 1-12, close fit for 1-1/8-12. A clearance hole is not tapped; the bolt passes through it.
What drill is next to a 1-5/32 in?
Down: 29 mm at 1.1417 in. Up: 29.5 mm at 1.1614 in.