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NC & NF S.T.I. Taps<br />
Right Hand High Speed Steel<br />
Screw Thread Insert Taps are for machine or hand tapping holes which will accept "Helicoil" or screw<br />
thread inserts of the same nominal size and pitch.<br />
Size<br />
GH#<br />
# Of<br />
Flutes<br />
Blank<br />
Size<br />
Plug<br />
EDP #<br />
Bott.<br />
EDP #<br />
Spiral<br />
Point #<br />
of<br />
Flutes<br />
Spiral<br />
Point<br />
Plug<br />
#2-56 NC 2 3 #4 16532 16533 2 16535<br />
#4-40 NC 2 3 #5 16582 16583 2 16585<br />
#6-32 NC 2 4 #10 16622 16623 2 16625<br />
#8-32 NC 2 4 #12 16642 16643 2 16645<br />
#10-24 NC 2 4 1/4" 16662 16663 2 16665<br />
#10-32 NF 2 4 1/4" 16672 16673 2 16675<br />
1/4"-20 NC 3 4 5/16" 16702 16703 2 16705<br />
1/4"-28 NF 2 4 5/16" 16712 16713 2 16715<br />
5/16"-18 NC 3 4 3/8" 16722 16723 3 16725<br />
5/16"-24 NF 2 4 3/8" 16732 16733 3 16735<br />
3/8"-16 NC 3 4 1/2" 16742 16743 3 16745<br />
3/8"-24 NF 3 4 1/2" 16752 16753 3 16755<br />
7/16"-14 NC 3 4 9/16" 16762 16763 3 16765<br />
7/16"-20 NF 3 4 1/2" 16772 16773 3 16775<br />
1/2"-13 NC 3 4 5/8" 16782 16783 3 16785<br />
1/2"-20 NF 3 4 9/16" 16792 16793 3 16795<br />
5/8"-11 NC 3 4 3/4" 16822 16823 -- --<br />
5/8"-18 NF 3 4 3/4" 16832 16833 -- --<br />
3/4"-10 NC 3 4 7/8" 16862 16863 -- --<br />
3/4"-16 NF 3 4 7/8" 16872 16873 -- --<br />
Other tap styles, sizes and pitches available on request<br />
V 1.0 – November 2011 Page 58