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Tapping Home > Tapping > UNIFED THREAD TAPS > SPIRAL FLUTED TAPS
SPIRAL FLUTE TAPS MODIFIED BOTTOMING STYLE for ALUMINUM ALLOYS or DIE CAST ALUMINUM
View TAP SELECTOR / CUTTING DATA

Size T.P.I EDP No. Limit Overall Length Thread Length Neck Length Shank Diameter Square Size Square Length No. of Flute
D1 Bright Hardslick L2 L1 L3 D2 K Kl
#4 40UNC C0162 D8162 H2 1.874 0.236 0.563 0.141 0.110 0.190 2
#4 40UNC C0163 D8163 H3 1.874 0.236 0.563 0.141 0.110 0.190 2
#6 32UNC C0242 D8242 H2 2.000 0.276 0.689 0.141 0.110 0.190 2
#6 32UNC C0243 D8243 H3 2.000 0.276 0.689 0.141 0.110 0.190 2
#8 32UNC C0282 D8282 H2 2.126 0.276 0.752 0.168 0.131 0.250 2
#8 32UNC C0283 D8283 H3 2.126 0.276 0.752 0.168 0.131 0.250 2
#10 24UNC C0323 D8323 H3 2.374 0.354 0.906 0.194 0.152 0.250 2
#10 32UNF C0342 D8342 H2 2.374 0.276 0.906 0.194 0.152 0.250 2
#10 32UNF C0343 D8343 H3 2.374 0.276 0.906 0.194 0.152 0.250 2
#10 32UNF C0345 D8345 H5 2.374 0.276 0.906 0.194 0.152 0.250 2
1/4 20UNC C0403 D8403 H3 2.500 0.433 1.000 0.255 0.191 0.310 2
1/4 20UNC C0405 D8405 H5 2.500 0.433 1.000 0.255 0.191 0.310 2
1/4 28UNF C0423 D8423 H3 2.500 0.354 1.000 0.255 0.191 0.310 2
5/16 18UNC C0443 D8443 H3 2.720 0.472 1.126 0.318 0.238 0.380 2
5/16 18UNC C0445 D8445 H5 2.720 0.472 1.126 0.318 0.238 0.380 2
5/16 24UNF C0463 D8463 H3 2.720 0.394 1.126 0.318 0.238 0.380 2
5/16 24UNF C0465 D8465 H5 2.720 0.394 1.126 0.318 0.238 0.380 2
3/8 16UNC C0483 D8483 H3 2.937 0.551 1.252 0.381 0.286 0.440 2
3/8 16UNC C0485 D8485 H5 2.937 0.551 1.252 0.381 0.286 0.440 2
3/8 24UNF C0503 D8503 H3 2.937 0.394 1.252 0.381 0.286 0.440 2
3/8 24UNF C0505 D8505 H5 2.937 0.394 1.252 0.381 0.286 0.440 2
1/2 13UNC C0563 D8563 H3 3.374 0.630 2.067 0.367 0.275 0.440 2
1/2 13UNC C0565 D8565 H5 3.374 0.630 2.067 0.367 0.275 0.440 2
1/2 20UNF C0583 D8583 H3 3.374 0.472 2.067 0.367 0.275 0.440 2
5/8 11UNC C0643 D8643 H3 3.811 0.748 2.205 0.480 0.360 0.560 3
5/8 18UNF C0663 D8663 H3 3.811 0.512 2.205 0.480 0.360 0.560 3
3/4 10UNC C0703 D8703 H3 4.252 0.827 2.480 0.590 0.442 0.690 3
3/4 16UNF C0723 D8723 H3 4.252 0.591 2.480 0.590 0.442 0.690 3
7/8 9UNC C0744 D8744 H4 4.689 0.827 2.815 0.697 0.523 0.750 3
7/8 14UNF C0764 D8764 H4 4.689 0.709 2.815 0.697 0.523 0.750 3
1 8UNC C0784 D8784 H4 5.126 0.984 3.091 0.800 0.600 0.810 3
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