Now In: Tools → Taps → Hand Taps: Standard
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| FRACTIONAL SIZES |
| Size |
Threads
Per
Inch |
Thread
Limits |
No. of
Flutes |
EDP No. |
| Taper |
Plug |
Bottom |
H.S.S.
Set |
| 1/4 |
20 |
H3 |
4 |
183465 |
183466 |
183467 |
183468 |
| 1/4 |
28 |
H3 |
4 |
183477 |
183478 |
183479 |
183480 |
| 5/16 |
18 |
H3 |
4 |
183487 |
183488 |
183489 |
183490 |
| 5/16 |
24 |
H3 |
4 |
183496 |
183497 |
183498 |
183499 |
| 3/8 |
16 |
H3 |
4 |
183509 |
183510 |
183511 |
183512 |
| 3/8 |
24 |
H3 |
4 |
183519 |
183520 |
183521 |
183522 |
| 7/16 |
14 |
H3 |
4 |
183529 |
183530 |
183531 |
183532 |
| 7/16 |
20 |
H3 |
4 |
183539 |
183540 |
183541 |
183542 |
| 1/2 |
13 |
H3 |
4 |
183549 |
183550 |
183551 |
183552 |
| 1/2 |
20 |
H3 |
4 |
183559 |
183560 |
183561 |
183562 |
| 9/16 |
12 |
H3 |
4 |
183566 |
183567 |
183568 |
183569 |
| 9/16 |
18 |
H3 |
4 |
183574 |
183575 |
183576 |
183577 |
| 5/8 |
11 |
H3 |
4 |
183582 |
183583 |
183584 |
183585 |
| 5/8 |
18 |
H3 |
4 |
183589 |
183590 |
183591 |
183592 |
| 11/16 |
11 |
H3 |
4 |
183595 |
183596 |
183597 |
183598 |
| 11/16 |
16 |
H3 |
4 |
183599 |
183600 |
183601 |
183602 |
| 3/4 |
10 |
H3 |
4 |
183604 |
183605 |
183606 |
183607 |
| 3/4 |
16 |
H3 |
4 |
183612 |
183613 |
183614 |
183615 |
| 7/8 |
9 |
H4 |
4 |
183619 |
183620 |
183621 |
183622 |
| 7/8 |
14 |
H4 |
4 |
183625 |
183626 |
183627 |
183628 |
| 1 |
8 |
H4 |
4 |
183630 |
183631 |
183632 |
183633 |
| 1 |
12 |
H4 |
4 |
183635 |
183636 |
183637 |
183638 |
| 1 |
14 |
H4 |
4 |
183640 |
183641 |
183642 |
183643 |
| 1-1/8 |
7 |
H4 |
4 |
183644 |
183645 |
183646 |
183647 |
| 1-1/8 |
12 |
H4 |
4 |
183648 |
183649 |
183650 |
183651 |
| 1-1/4 |
7 |
H4 |
4 |
183652 |
183653 |
183654 |
183655 |
| 1-1/4 |
12 |
H4 |
6 |
183656 |
183657 |
183658 |
183659 |
| 1-3/8 |
6 |
H4 |
4 |
183660 |
183661 |
183662 |
183663 |
| 1-3/8 |
12 |
H4 |
6 |
183664 |
183665 |
183666 |
183667 |
| 1-1/2 |
6 |
H4 |
4 |
183668 |
183669 |
183670 |
183671 |
| 1-1/2 |
12 |
H4 |
6 |
183672 |
183673 |
183674 |
183675 |
| 2 |
4-1/2 |
H4 |
6 |
309915 |
309916 |
309932 |
309948 |
| MACHINE SCEW SIZES |
| Size |
Threads
Per
Inch |
Thread
Limits |
No. of
Flutes |
EDP No. |
| Taper |
Plug |
Bottom |
H.S.S.
Set |
| 0 |
80 |
H1 |
2 |
183767 |
183768 |
183769 |
183770 |
| 1 |
64 |
H1 |
2 |
183774 |
183775 |
183776 |
183777 |
| 1 |
72 |
H1 |
2 |
183780 |
183781 |
183782 |
183783 |
| 2 |
56 |
H2 |
3 |
183794 |
183795 |
183796 |
183797 |
| 2 |
64 |
H2 |
3 |
183798 |
183799 |
183800 |
183801 |
| 3 |
48 |
H2 |
3 |
183805 |
183806 |
183807 |
183808 |
| 3 |
56 |
H2 |
3 |
183809 |
183810 |
183811 |
183812 |
| 4 |
36 |
H2 |
3 |
183813 |
183814 |
183815 |
183816 |
| 4 |
40 |
H2 |
3 |
183823 |
183824 |
183825 |
183826 |
| 4 |
48 |
H2 |
3 |
183827 |
183828 |
183829 |
183830 |
| 5 |
40 |
H2 |
3 |
183838 |
183839 |
183840 |
183841 |
| 5 |
44 |
H2 |
3 |
183843 |
183844 |
183845 |
183846 |
| 6 |
32 |
H3 |
3 |
183861 |
183862 |
183863 |
183864 |
| 6 |
40 |
H2 |
3 |
183866 |
183867 |
183868 |
183869 |
| 8 |
32 |
H3 |
4 |
183890 |
183891 |
183892 |
183893 |
| 8 |
36 |
H2 |
4 |
183894 |
183895 |
183896 |
183897 |
| 10 |
24 |
H3 |
4 |
183912 |
183913 |
183914 |
183915 |
| 10 |
32 |
H3 |
4 |
183936 |
183937 |
183938 |
183939 |
| 12 |
24 |
H3 |
4 |
183940 |
183941 |
183942 |
183943 |
| 12 |
28 |
H3 |
4 |
183944 |
183945 |
183946 |
183947 |
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