taylortools

BSPP Parallel (Straight) Pipe Taps
Right Hand High Speed Steel Bottoming Only
Full Form Whitworth
Size
Threads
per Inch
EDP #
Basic
Major
Diameter
Inches
Overall
Length
Length of
Thread
Shank
Diameter
Size of
Square
Length
of
Square
1/16" 28 42000 0.304 2.1/8" 11/16" 0.3125 0.234 3/8"
1/8" 28 42005 0.383 2.1/8" 3/4" 0.4375 0.328 3/8"
1/4" 19 42010 0.518 2.7/16" 1.1/16" 0.5625 0.421 7/16"
3/8" 19 42015 0.656 2.9/16" 1.1/16" 0.7000 0.531 1/2"
1/2" 14 42020 0.825 3.1/8" 1.3/8" 0.6875 0.515 5/8"
5/8" 14 42025 0.902 3.3/16" 1.3/8" 0.8000 0.600 11/16"
3/4" 14 42030 1.041 3.1/4" 1.3/8" 0.9093 0.679 11/16"
7/8" 14 42035 1.189 3.1/2" 1.9/16" 1.0930 0.812 3/4"
1" 11 42040 1.309 3.3/4" 1.3/4" 0.9093 0.843 13/16"
1.1/4" 11 42045 1.650 4" 1.3/4" 1.3125 0.984 15/16"
1.1/2" 11 42050 1.882 4.1/4" 1.3/4" 1.5000 1.125 1"
1.3/4" 11 42070 2.116 4.3/8" 1.3/4" 1.6250 1.218 1.1/16"
2" 11 42055 2.347 4.1/2" 1.3/4" 1.8750 1.406 1.1/8"
2.1/4" 11 42075 2.587 5" 2.1/8" 2.0000 1.500 1.3/16"
2.1/2" 11 42060 2.960 5.1/2" 2.9/16" 2.2500 1.687 1.1/4"
3" 11 42065 3.460 6" 2.5/8" 2.6250 1.968 1.3/8"
V 1.0 – November 2011 Page 106