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Tapping Home > Tapping > UNIFED THREAD TAPS > SPIRAL FLUTED TAPS
SCREW THREAD INSERT SPIRAL FLUTE TAPS

Size T.P.I EDP No. Class of Fit Overall Length Thread Length Neck Length Shank Diameter Square Size Square Length No. of Flute
D1 Hardslick L2 L1 L3 D2 K Kl
#4 40UNC ST162 2B 2.000 0.276 0.689 0.141 0.110 0.190 3
#4 48UNF SI182 2B 2.000 0.276 0.689 0.141 0.110 0.190 3
#5 40UNC ST202 2B 2.126 0.276 0.752 0.168 0.131 0.250 3
#5 44UNF SI222 2B 2.126 0.276 0.752 0.168 0.131 0.250 3
#6 32UNC ST242 2B 2.374 0.354 0.906 0.194 0.152 0.250 3
#6 40UNF SI262 2B 2.126 0.276 0.752 0.168 0.131 0.250 3
#8 32UNC ST282 2B 2.374 0.354 0.906 0.220 0.165 0.280 3
#8 36UNF SI302 2B 2.374 0.354 0.906 0.220 0.165 0.280 3
#10 24UNC ST322 2B 2.500 0.433 1.000 0.255 0.191 0.310 3
#10 32UNF SI342 2B 2.500 0.433 1.000 0.255 0.191 0.310 3
#12 24UNC ST362 2B 2.720 0.472 1.126 0.318 0.238 0.380 3
#12 28UNF SI382 2B 2.720 0.472 1.126 0.318 0.238 0.380 3
1/4 20UNC ST402 2B 2.720 0.472 1.126 0.318 0.238 0.380 3
1/4 28UNF SI422 2B 2.720 0.472 1.126 0.318 0.238 0.380 3
5/16 18UNC ST442 2B 2.937 0.551 1.252 0.381 0.286 0.440 3
5/16 24UNF SI462 2B 2.937 0.551 1.252 0.381 0.286 0.440 3
3/8 16UNC ST482 2B 3.374 0.630 2.067 0.367 0.275 0.440 3
3/8 24UNF SI502 2B 3.157 0.591 1.850 0.323 0.242 0.410 3
7/16 14UNC ST522 2B 3.594 0.709 2.067 0.429 0.322 0.500 3
7/16 20UNF SI542 2B 3.374 0.630 2.067 0.367 0.275 0.440 3
1/2 13UNC ST562 2B 3.811 0.748 2.205 0.480 0.360 0.560 3
1/2 20UNF SI582 2B 3.594 0.709 2.067 0.429 0.322 0.500 3
9/16 12UNC ST602 2B 4.031 0.748 2.205 0.542 0.406 0.630 4
9/16 18UNF SI622 2B 3.811 0.748 2.205 0.480 0.360 0.560 4
5/8 11UNC ST642 2B 4.252 0.827 2.480 0.590 0.442 0.690 4
5/8 18UNF SI662 2B 4.031 0.748 2.205 0.542 0.406 0.630 4
3/4 10UNC ST702 2B 4.689 0.827 2.815 0.697 0.523 0.750 4
3/4 16UNF SI722 2B 4.469 0.827 2.480 0.652 0.489 0.690 4
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