Shop Floor Charts

#43 Drill Size

A #43 number drill is 0.0890" (2.261 mm).

Closest fraction: 3/32 (0.0938", over by 0.0048").

Tap drill for

#4-40 UNC

Next size down / up

DrillInchmm
#440.08602.184
#420.09352.375

Full drill size chart →

Printable PDF version - Drill Size Chart
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