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MACHINISTS GUIDES
Z1003 E-Z TAP DRILL FORMULA

TO ORDER JUST CLICK ON THE SHOPPING CART. You can put the book in your shopping cart and change your mind latter.


HERE'S THE EASIEST TAP DRILL FORMULA THAT YOU WILL FIND.

 

 

 

Most of us have a tap drill chart for normal taps, such as a 1/4-20 which calls for a #7 drill for 70% thread. but how about a 1/4-40  tap ?

 

 

THIS GUIDES SHOWS YOU HOW

 

                                                                                             Z1003

   

SEE WHAT IS IN THIS GUIDE

$2.00
Z1003
2000  
 

TO BUY BY CHECK

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Copyright 2001 METALWORKING BOOKS
Last modified: November 29, 2001