H.D. Chasen Company
British Standard Whitworth (BSW) Thread Taps
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1/16" - 60 BSW Thread Tap -
1/8" - 40 BSW Thread Tap -
5/32" - 32 BSW Thread Tap -
3/16" - 24 BSW Thread Tap -
7/32" - 24 BSW Thread Tap -
1/4" - 20 BSW Thread Tap -
5/16" - 18 BSW Thread Tap -
3/8" - 16 BSW Thread Tap -
7/16" - 14 BSW Thread Tap -
1/2" - 12 BSW Thread Tap -
9/16" - 12 BSW Thread Tap -
5/8" - 11 BSW Thread Tap -
3/4" - 10 BSW Thread Tap -
7/8" - 9 BSW Thread Tap -
1" - 8 BSW Thread Tap -
1-1/8" - 7 BSW Thread Tap -
1-1/4" - 7 BSW Thread Tap -
1-3/8" - 6 BSW Thread Tap -
1-1/2" - 6 BSW Thread Tap -
1-3/4" - 5 BSW Thread Tap -
2" - 4-1/2 BSW Thread Tap
