Unified 16-Pitch

Commonly used where an extra fine thread is best for a larger diameter assembly. This may be found in the clampnut series (CNS, CNS-A, CNS-S, SNS, SNS-A, SNS-S), as well as in the NI (nut and washer) and BHI (prevailing torque) products.



Recommended Shaft/Spindle Thread Dimensions

Threads Major Dia Pitch Dia Minor Dia
Thread Size Per Inch Max Min Max Min Max
3/8 -16 16 0.3750 0.3656 0.3344 0.3311 0.2983
7/16 - 16 16 0.4375 0.4281 0.3969 0.3935 0.3608
1/2 - 16 16 0.5000 0.4906 0.4594 0.4559 0.4233
9/16 - 16 16 0.5625 0.5531 0.5219 0.5184 0.4858
5/8 - 16 16 0.6250 0.6156 0.5844 0.5808 0.5483
3/4 - 16 16 0.7500 0.7406 0.7094 0.7056 0.6733
7/8 - 16 16 0.8750 0.8656 0.8344 0.8308 0.7983
1 - 16 16 1.0000 0.9906 0.9594 0.9557 0.9233
1 1/8 - 16 16 1.1250 1.1156 1.0844 1.0807 1.0483
1 1/4 - 16 16 1.2500 1.2406 1.2094 1.2056 1.1733
1 3/8 - 16 16 1.3750 1.3656 1.3344 1.3306 1.2983
1 1/2 - 16 16 1.5000 1.4906 1.4594 1.4555 1.4233
1 5/8 - 16 16 1.6250 1.6156 1.5844 1.5805 1.5483
1 3/4 - 16 16 1.7500 1.7406 1.7094 1.7054 1.6733
1 7/8 - 16 16 1.8750 1.8656 1.8344 1.8304 1.7983
2 - 16 16 2.0000 1.9906 1.9594 1.9554 1.9233
2 1/4 - 16 16 2.2500 2.2406 2.2094 2.2054 2.1733
2 1/2 - 16 16 2.5000 2.4906 2.4594 2.4553 2.4233
2 3/4 - 16 16 2.7500 2.7406 2.7094 2.7053 2.6733
3 - 16 16 3.0000 2.9906 2.9594 2.9552 2.9233

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