taylortools

Size
BSW & BSF Taps & Dies
Right Hand High Speed Steel 55º Full Form Whitworth
Taper
EDP #
Plug
EDP #
Bott.
EDP #
Set
O/D of
Round
Die
Round
Die EDP #
Hex Die
EDP #
1.1/4"-7 BSW 43251 43252 43253 43254 3" 43256 43257
1.1/4"-9 BSF 43261 43262 43263 43264 3" 43266 43267
1.3/8"-6 BSW 43271 43272 43273 43274 3" 43276 43277
1.3/8"-8 BSF 43281 43282 43283 43284 3" 43286 43287
1.1/2"-6 BSW 43291 43292 43293 43294 3" 43296 43297
1.1/2"-8 BSF 43301 43302 43303 43304 3" 43306 43307
1.5/8"-5 BSW 43311 43312 43313 43314 -- -- --
1.5/8"-8 BSF 43321 43322 43323 43324 -- -- --
1.3/4"-5 BSW 43331 43332 43333 43334 -- -- --
1.3/4"-7 BSF 43341 43342 43343 43344 -- -- --
2"-4½ BSW 43351 43352 43353 43354 -- -- --
2"-7 BSF 43361 43362 43363 43364 -- -- --
Left Hand and other British pitches available on request
BA No.
Diameter
in
Inches
British Association Taps & Dies
Right Hand High Speed Steel 47½º Full Form Thread
Threads
per Inch
Taper
EDP #
Plug
EDP #
Bott.
EDP #
Set
EDP #
13/16"
O/D
Round
Die EDP
#
0 0.2362" 25.4 43401 43402 43403 43404 43406
1 0.2087" 28.2 43411 43412 43413 43414 43416
2 0.1850" 31.4 43421 43422 43423 43424 43426
3 0.1614" 34.8 43431 43432 43433 43434 43436
4 0.1417" 38.5 43441 43442 43443 43444 43446
5 0.1260" 43.0 43451 43452 43453 43454 43456
6 0.1102" 47.9 43461 43462 43463 43464 43466
7 0.0984" 52.9 43471 43472 43473 43474 43476
8 0.0866" 59.1 43481 43482 43483 43484 43486
9 0.0748" 65.1 43491 43492 43493 43494 43496
10 0.0669" 72.6 43501 43502 43503 43504 43506
V 1.0 – November 2011 Page 105