Useful Information

A handy chart of sizes. It's too much trouble to always look for it!

Lasercamm Sizes

Common Drill sizes used in MAE156A, easily found in the Design Studio. Note these are NOT lasercamm sizes. Go to the maelabs lasercamm page for those.

Drill Sizes

 Clearance Hole Drills
Size of Screw Tap DrillClose FitFree Fit
No. or Dia.Decimal (inch)Threads Per InchDrill SizeDecimal (inch)Drill SizeDecimal (inch)Drill SizeDecimal (inch)
#00.06803/640.0469520.0635500.07
#10.07364530.0595480.076460.081
#10.07372530.0595480.076460.081
#20.08656500.07430.089410.096
#20.08664500.07430.089410.096
#30.09948470.0785370.104350.11
#30.09956450.082370.104350.11
#40.11236440.086320.116300.1285
#40.11240430.089320.116300.1285
#40.11248420.0935320.116300.1285
#50.12540380.1015300.1285290.136
#50.12544370.104300.1285290.136
#60.13832360.1065270.144250.1495
#60.13840330.113270.144250.1495
#80.16432290.136180.1695160.177
#80.16436290.136180.1695160.177
#100.1924250.149590.19670.201
#100.1932210.15990.19670.201
#120.21624160.17720.221I0.228
#120.21628140.18220.221I0.228
#140.24220100.1935D0.246F0.257
#140.2422470.201D0.246F0.257
1/40.252070.201F0.257H0.266
1/40.252830.213F0.257H0.266
5/160.312518F0.257P0.323Q0.332
5/160.312524I0.272P0.323Q0.332
3/80.375165/160.3125W0.386X0.397
3/80.37524Q0.332W0.386X0.397
7/160.437514U0.36829/640.453115/320.4687
7/160.43752025/640.390629/640.453115/320.4687
1/20.51327/640.421933/640.515617/320.5312
1/20.52029/640.453133/640.515617/320.5312