Pitch Diameter Chart - Willrich

1 NOMINAL SIZEGO BASIC ALL CLASSES ALL SERIESUNIFIED Pitch DIAMETERSNOT GOX TOL. GO =+ NO GO =-X LEAD HALF ANGLE (.060) #0-80 30'(.073) #1-64 30'(.073) #1-72 30'(.086) #2-56 30'(.086) #2-64 30'(.099) #3-48 30'(.099) #3-56 30'(.112) #4-40 20'(.112) #4-48 30'(.125) #5-40 20'(.125) #5-44 20'(.138) #6-32 15'(.138) #6-40 20'(.164) #8-32 15'(.164) #8-36 20'(.190) #10-24 15'(.190) #10-32 15'(.216) #12-24 15'(.216) #12-28 15'(.216) #12-32 15'1 4-20 15'1 4-28 15'1 4-32 15'5 16-18 10'5 16-24 15'5 16-32 15'3 8-16 10'3 8-24 15'3 8-32 15'7 16-14 10'7 16-20 15'7 16-28 15'1 2-13 10'1 2-20 15'1 2-28 15'9 16-12 10'9 16-18 10'NOMINAL SIZEGO BASIC ALL CLASSES ALL SERIESUNIFIED Pitch DIAMETERSNOT GOX TOL.

2 GO =+ NO GO =-X LEAD HALF ANGLE 16-24 15'5 8-11 10'5 8-18 10'5 8-24 15'11 16-24 15'3 4-10 10'3 4-16 10'3 4-20 15'13 16-20 15'7 8-9 10'7 8-14 10'7 8-20 15'15 16-20 15'1 -8 05'1 -12 10'1 -14 10'1 -20 15'11 16-12 10'11 16-18 10'11 8-7 05'11 8-12 10'11 8-18 10'13 16-12 10'13 16-18 10'11 4-7 05'11 4-12 10'11 4-18 10'15 16-12 10'15 16-18 10'13 8-6 05'13 8-12 10'13 8-18 10'17 16-12 10'17 16-18 10'11 2-6 05'11 2-12 10'11 2-18 10'Unified Thread Plug GagesPitch Diameter ChartNOMINAL SIZEUNIFIED Pitch DIAMETERSCLASS 2 ACLASS 3AX TOL. GO =+ NO GO =-GONOT GOGONOT GO(.060) #0-80 (.073) #1-64 (.073) #1-72 (.086) #2-56 (.086) #2-64 (.099) #3-48 (.099) #3-56 (.)

3 112) #4-40 (.112) #4-48 (.125) #5-40 (.125) #5-44 (.138) #6-32 (.138) #6-40 (.164) #8-32 (.164) #8-36 (.190) #10-24 (.190) #10-32 (.216) #12-24 (.216) #12-28 (.216) #12-32 4-20 4-28 4-32 16-18 16-24 16-32 8-16 8-24 8-32 16-14 16-20 16-28 2-13 2-20 2-28 16-12 16-18 SIZEUNIFIED Pitch DIAMETERSCLASS 2 ACLASS 3AX TOL. GO =+ NO GO =-GONOT GOGONOT GO9 16-24 8-11 8-18 8-24 16-24 4-10 4-16 4-20 16-20 8-9 8-14 8-20 16-20 -8 -12 -14 -20 16-12 16-18 8-7 8-12 8-18 16-12 16-18 4-7 4-12 4-18 16-12 16-18 8-6 8-12 8-18 16-12 16-18 2-6 2-12 2-18 Thread Ring & Setting Plug Gages NOMINAL SIZE & PITCHFOR EXTERNAL THREADFOR INTERNAL THREADPITCH Diameter GO RING GAGE 6g TOLERANCEPITCH Diameter NOT GO RING GAGE 6g TOLERANCEPITCH Diameter GO PLUG GAGE 6H TOLERANCEPITCH Diameter NOT GO PLUG GAGE 6H TOLERANCEMMIN.

4 (REF)MMIN. (REF)MMIN. (REF)MMIN. (REF)M X 2 X X 3 X X 4 X 5 X 6 X 8 X 8 X 10 X 10 X 10 X 10 X 12 X 12 X 12 X 12 X 14 X 14 X 15 X 16 X 16 X 17 X 18 X 20 X 20 X 20 X 22 X 22 X 24 X 24 X 25 X 27 X 27 X 30 X 30 X 30 X 33 X 35 X 36 X 36 X 39 X Thread GagesNOMINAL SIZEPITCH DIAMETERSX TOL. GO =+ NO GO =-GO2B NOT GO3B NOT GO(.086) #2-56 (.086) #2-64 (.099) #3-48 (.099) #3-56 (.112) #4-40 (.112) #4-48 (.125) #5-40 (.138) #6-32 (.138) #6-40 (.164) #8-32 (.164) #8-36 (.190) #10-24 (.190) #10-32 (.)

5 216) #12-24 4-20 4-28 16-18 16-24 8-16 8-24 16-14 16-20 2-13 2-20 16-12 16-18 8-11 8-18 4-10 4-16 Coil Plug GagesExpediteSteel/Chrome/ CarbideCalibration ServicesCall: ( )Email.