Technical support threading tapping drill size for thread forming.
Roll form tap drill chart.
Blue point tool supply co inc.
Download our tap drill sizes page size metric pages.
Mcmaster carr is the complete source for your plant with over 595 000 products.
Tap drill recommendations tap size cutting taps forming taps and drill decimal drill decimal pitch size equiv.
The next generation of high performance taps.
View drill and tap chart.
98 of products ordered ship from stock and deliver same or next day.
Printable chart downloads at the bottom of the page.
Form tap not available or not standard.
Providing the metalworking industry with cutting measuring toolholding safety and machine shop products since 1979.
Easy to use printable tap drill chart and drill bit sizes table available for a free download on our website.
Tap drill chart metric h6 tap size cut tap drill roll tap drill minor ø major ø.
Pipe thread drilled hole sizes tap size cutting taps tru flo forming taps inch metric drill size decimal equivalent drill size decimal equivalent 3 4 10 21 32 6562 45 64 7031 3 4 16 11 16 6875 23 32 7188 m20 x 2 50 17 50mm 6890 m20 x 1 50 18 50mm 7283 m22 x 2 50 19 50mm 7677 m22 x 1 50 20 50mm 8071 7 8 9 49 64.
0 80 3 64 0469 54 0550 1 64 53 0595 51 0670 1 72 53 0595 51 0670 2 56 50 0700 5 64 0781 2 64 50 0700 47 0785 3 48 47 0785 43 0890.
Check with tap manufacturer for required drill size.
Made with carbide embedded thread sections to have the wear resistance of carbide while providing the core strength of hss.