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Spiral Flute Tap Modified Bottoming Style for Steels & Stainless Steels - BB / BI SERIES

Size T.P.I EDP No. Limit Overall Length Thread Length Neck Length Shank Diameter Square Size Square Length No. of Flute
D1 Steam Oxide Hardslick L2 L1 L3 D2 K Kl
#2 56UNC BB082 BI082 H2 1.752 0.157 0.433 0.141 0.110 0.190 2
#4 40UNC BB162 BI162 H2 1.874 0.236 0.563 0.141 0.110 0.190 2
#4 40UNC BB163 BI163 H3 1.874 0.236 0.563 0.141 0.110 0.190 2
#4 40UNC BB164 BI164 H4 1.874 0.236 0.563 0.141 0.110 0.190 2
#5 40UNC BB202 BI202 H2 1.937 0.236 0.626 0.141 0.110 0.190 3
#6 32UNC BB242 BI242 H2 2.000 0.276 0.689 0.141 0.110 0.190 3
#6 32UNC BB243 BI243 H3 2.000 0.276 0.689 0.141 0.110 0.190 3
#6 32UNC BB244 BI244 H4 2.000 0.276 0.689 0.141 0.110 0.190 3
#6 32UNC BB245 BI245 H5 2.000 0.276 0.689 0.141 0.110 0.190 3
#8 32UNC BB282 BI282 H2 2.126 0.276 0.752 0.168 0.131 0.250 3
#8 32UNC BB283 BI283 H3 2.126 0.276 0.752 0.168 0.131 0.250 3
#8 32UNC BB284 BI284 H4 2.126 0.276 0.752 0.168 0.131 0.250 3
#8 32UNC BB285 BI285 H5 2.126 0.276 0.752 0.168 0.131 0.250 3
#8 32UNC BB286 BI286 H6 2.126 0.276 0.752 0.168 0.131 0.250 3
#10 24UNC BB323 BI323 H3 2.374 0.354 0.906 0.194 0.152 0.250 3
#10 24UNC BB325 BI325 H5 2.374 0.354 0.906 0.194 0.152 0.250 3
#10 32UNF BB342 BI342 H2 2.374 0.276 0.906 0.194 0.152 0.250 3
#10 32UNF BB343 BI343 H3 2.374 0.276 0.906 0.194 0.152 0.250 3
#10 32UNF BB344 BI344 H4 2.374 0.276 0.906 0.194 0.152 0.250 3
#10 32UNF BB345 BI345 H5 2.374 0.276 0.906 0.194 0.152 0.250 3
#10 32UNF BB346 BI346 H6 2.374 0.276 0.906 0.194 0.152 0.250 3
1/4 20UNC BB403 BI403 H3 2.500 0.433 1.000 0.255 0.191 0.310 3
1/4 20UNC BB405 BI405 H5 2.500 0.433 1.000 0.255 0.191 0.310 3
1/4 28UNF BB423 BI423 H3 2.500 0.354 1.000 0.255 0.191 0.310 3
1/4 28UNF BB424 BI424 H4 2.500 0.354 1.000 0.255 0.191 0.310 3
1/4 28UNF BB425 BI425 H5 2.500 0.354 1.000 0.255 0.191 0.310 3
1/4 28UNF BB426 BI426 H6 2.500 0.354 1.000 0.255 0.191 0.310 3
5/16 18UNC BB443 BI443 H3 2.720 0.472 1.126 0.318 0.238 0.380 3
5/16 18UNC BB445 BI445 H5 2.720 0.472 1.126 0.318 0.238 0.380 3
5/16 24UNF BB463 BI463 H3 2.720 0.394 1.126 0.318 0.238 0.380 3
5/16 24UNF BB464 BI464 H4 2.720 0.394 1.126 0.318 0.238 0.380 3
5/16 24UNF BB465 BI465 H5 2.720 0.394 1.126 0.318 0.238 0.380 3
5/16 24UNF BB466 BI466 H6 2.720 0.394 1.126 0.318 0.238 0.380 3
3/8 16UNC BB483 BI483 H3 2.937 0.551 1.252 0.381 0.286 0.440 3
3/8 16UNC BB485 BI485 H5 2.937 0.551 1.252 0.381 0.286 0.440 3
3/8 24UNF BB503 BI503 H3 2.937 0.394 1.252 0.381 0.286 0.440 3
3/8 24UNF BB504 BI504 H4 2.937 0.394 1.252 0.381 0.286 0.440 3
3/8 24UNF BB505 BI505 H5 2.937 0.394 1.252 0.381 0.286 0.440 3
3/8 24UNF BB506 BI506 H6 2.937 0.394 1.252 0.381 0.286 0.440 3
7/16 14UNC BB523 BI523 H3 3.157 0.591 1.850 0.323 0.242 0.410 3
7/16 14UNC BB525 BI525 H5 3.157 0.591 1.850 0.323 0.242 0.410 3
7/16 20UNF BB543 BI543 H3 3.157 0.472 1.850 0.323 0.242 0.410 3
7/16 20UNF BB545 BI545 H5 3.157 0.472 1.850 0.323 0.242 0.410 3
1/2 13UNC BB563 BI563 H3 3.374 0.630 2.067 0.367 0.275 0.440 3
1/2 13UNC BB565 BI565 H5 3.374 0.630 2.067 0.367 0.275 0.440 3
1/2 20UNF BB583 BI583 H3 3.374 0.472 2.067 0.367 0.275 0.440 3
1/2 20UNF BB585 BI585 H5 3.374 0.472 2.067 0.367 0.275 0.440 3
9/16 12UNC BB605 BI605 H5 3.594 0.709 2.067 0.429 0.322 0.500 3
9/16 18UNF BB625 BI625 H5 3.594 0.512 2.067 0.429 0.322 0.500 3
5/8 11UNC BB643 BI643 H3 3.811 0.748 2.205 0.480 0.360 0.560 4
5/8 11UNC BB645 BI645 H5 3.811 0.748 2.205 0.480 0.360 0.560 4
5/8 18UNF BB663 BI663 H3 3.811 0.512 2.205 0.480 0.360 0.560 4
5/8 18UNF BB665 BI665 H5 3.811 0.512 2.205 0.480 0.360 0.560 4
3/4 10UNC BB703 BI703 H3 4.252 0.827 2.480 0.590 0.442 0.690 4
3/4 10UNC BB705 BI705 H5 4.252 0.827 2.480 0.590 0.442 0.690 4
3/4 16UNF BB723 BI723 H3 4.252 0.591 2.480 0.590 0.442 0.690 4
3/4 16UNF BB725 BI725 H5 4.252 0.591 2.480 0.590 0.442 0.690 4
7/8 9UNC BB746 BI746 H6 4.689 0.827 2.815 0.697 0.523 0.750 4
7/8 14UNF BB766 BI766 H6 4.689 0.709 2.815 0.697 0.523 0.750 4
1 8UNC BB786 BI786 H6 5.126 0.984 3.091 0.800 0.600 0.810 4
1 12UNF BB806 BI806 H6 5.126 0.709 3.091 0.800 0.600 0.810 4
1-1/8 8UN BB836 BI836 H6 5.437 1.024 3.150 0.896 0.672 0.880 4
1-1/4 8UN BB876 BI876 H6 5.752 1.024 3.150 1.021 0.766 1.000 4
1-3/8 8UN BB916 BI916 H6 6.063 1.181 3.583 1.108 0.831 1.060 4
1-1/2 8UN BB956 BI956 H6 6.374 1.181 3.583 1.233 0.925 1.130 4
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