Tables:

Form Tap Drill Sizes

Form Tap Size

Drill Size

4-40

0.1015

6-32

0.1244

8-32

0.1504

10-32

0.1764

1/4-20

0.2270

5/16-18

0.2867

3/8-16

0.3458

1/2-13

0.4635

   
   
   

To be continued

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