Featuring Hand-Held Gages, Ball Micrometers, Dial Bore Gages, Gear Tooth Span Micrometers and Snap Gages for all situations.

Standard Gage Pin / Wire Diameters for Various Pitches

Inch System

Diametral Pitch

For Standard External Gears (W=1.728 / DP)

For Standard Internal Gears
(W=1.680 / DP)

For Long-Addendum Pinions
W=1.920 / DP)

1.72800

1.68000

1.92000

1.5

1.15200

1.12000

1.28000

0.86400

0.84000

0.96000

2.5

0.69120

0.67200

0.76800

0.57600

0.56000

0.64000

0.43200

0.42000

0.48000

0.34560

0.33600

0.38400

0.28800

0.28000

0.32000

0.24686

0.24000

0.27429

0.21600

0.21000

0.24000

0.19200

0.18667

0.21333

0.17280

0.16800

0.19200

0.15709

0.15273

0.17455

0.14400

0.14000

0.16000

0.12343

0.12000

0.13714

0.10800

0.10500

0.12000

0.09600

0.09333

0.10667

0.08640

0.08400

0.09600

0.07855

0.07636

0.08727

0.07200

0.07000

0.08000

0.06646

0.06462

0.07385

0.06171

0.06000

0.06857

0.05760

0.05600

0.06400

0.05400

0.05250

0.06000

0.05082

0.04941

0.05647

0.04800

0.04667

0.05333

0.04547

0.04421

0.05053

0.04320

0.04200

0.04800

0.04114

0.04000

0.04571

0.03927

0.03818

0.04364

0.03757

0.03652

0.04174

0.03600

0.03500

0.04000

0.03456

0.03360

0.03840

0.03323

0.03231

0.03692

0.03200

0.03111

0.03556

0.03086

0.03000

0.03429

0.02979

0.02897

0.03310

0.02880

0.02800

0.03200

0.02787

0.02710

0.03097

0.02700

0.02625

0.03000

0.02618

0.02545

0.02909

0.02541

0.02471

0.02824

0.02469

0.02400

0.02743

0.02400

0.02333

0.02667

0.02335

0.02270

0.02595

0.02274

0.02211

0.02526

0.02215

0.02154

0.02462

0.02160

0.02100

0.02400

0.02107

0.02049

0.02341

0.02057

0.02000

0.02286

0.02009

0.01953

0.02233

0.01964

0.01909

0.02182

0.01920

0.01867

0.02133

0.01878

0.01826

0.02087

0.01838

0.01787

0.02043

0.01800

0.01750

0.02000

0.01763

0.01714

0.01959

100

0.01728

0.01680

0.01920

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