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MILLING
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TAPPING
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INDEXABLE INSERTS

Tapping
SPIRAL FLUTE TAPS MODIFIED BOTTOMING STYLE for ALUMINUM ALLOYS or DIE CAST ALUMINUM


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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