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.

3 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 (.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

4 GO PLUG GAGE 6H TOLERANCEMMIN. (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.

5 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 (.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.