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MILLING
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TAPPING
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THREAD MILLS
INDEXABLE INSERTS

Tapping
SPIRAL FLUTE COMBO TAP FOR MULTI-PURPOSE WITH INTERNAL COOLANT


Size T.P.I EDP No. Limit Overall Length Thread Length Neck Length Shank Diameter Square Size Square Length No. of Flute
D1 Bright TiN L2 L1 L3 D2 K Kl
1/4 20UNC T6405 T6405N H5 2.500 0.433 1.000 0.255 0.191 0.310 3
1/4 28UNF T6424 T6424N H4 2.500 0.354 1.000 0.255 0.191 0.310 3
5/16 18UNC T6445 T6445N H5 2.720 0.472 1.126 0.318 0.238 0.380 3
5/16 24UNF T6464 T6464N H4 2.720 0.394 1.126 0.318 0.238 0.380 3
3/8 16UNC T6485 T6485N H5 2.937 0.551 1.252 0.381 0.286 0.440 3
3/8 24UNF T6504 T6504N H4 2.937 0.394 1.252 0.381 0.286 0.440 3
7/16 14UNC T6525 T6525N H5 3.157 0.591 1.850 0.323 0.242 0.410 3
7/16 20UNF T6545 T6545N H5 3.157 0.472 1.850 0.323 0.242 0.410 3
1/2 13UNC T6565 T6565N H5 3.374 0.630 2.067 0.367 0.275 0.440 3
1/2 20UNF T6585 T6585N H5 3.374 0.472 2.067 0.367 0.275 0.440 3
9/16 12UNC T6605 T6605N H5 3.594 0.709 2.067 0.429 0.322 0.500 3
9/16 18UNF T6625 T6625N H5 3.594 0.512 2.067 0.429 0.322 0.500 3
5/8 11UNC T6645 T6645N H5 3.811 0.748 2.205 0.480 0.360 0.560 4
5/8 18UNF T6665 T6665N H5 3.811 0.512 2.205 0.480 0.360 0.560 4
3/4 10UNC T6705 T6705N H5 4.252 0.827 2.480 0.590 0.442 0.690 4
3/4 16UNF T6725 T6725N H5 4.252 0.591 2.480 0.590 0.442 0.690 4
7/8 9UNC T6746 T6746N H6 4.689 0.827 2.815 0.697 0.523 0.750 4
7/8 14UNF T6766 T6766N H6 4.689 0.709 2.815 0.697 0.523 0.750 4
1 8UNC T6786 T6786N H6 5.126 0.984 3.091 0.800 0.600 0.810 4
1 12UNF T6806 T6806N H6 5.126 0.709 3.091 0.800 0.600 0.810 4

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