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Besly Standard
Straight Flute
Taper Pipe Taps

High Speed Steel
Ground Thread

NPTF-Dryseal
Straight Flute
4, 5 and 7 Flute


Fractional Sizes:

1/16 | 1/8 | 1/4 | 3/8 | 1/2 | 3/4 | 1 | 1-1/4 | 1-1/2 | 2


Also available...

Popular Specials: Catl No. 3166


Left Hand: Catl No. 3166LH

Catalog Number: 3166

Besly Standard Straight Flute Taper Pipe Taps

These NPTF-Dryseal Medium Angle Taper Pipe Taps may be used in most materials under average conditions.

Please call 800 435-2965 for current net pricing.

Note: Click the EDP No to check availability.

   
All dimensions are in inches.
  Besly Standard
Straight Flute

Taper Pipe
Taps

Catl No. 3166
Fractional
Sizes
 
  Besly Surface Treatments Besly Drill Selector
Tap
Size
Thrds Per Inch No. of Flutes Chamfer Type Surface Treat EDP No Pkg Qty Gage Projection Overall Length
A
Thread Length
B
Shank Dia.
C
Square Length
D
Square Size
E
Min. Max.
1/16 27 4 Plug   13983 12 .250 .374 2-1/8 11/16 .3125 3/8 .234
1/16 27 4 Plug 33 15297 12 .250 .374 2-1/8 11/16 .3125 3/8 .234
1/16 27 4 Plug 55 15298 12 .250 .374 2-1/8 11/16 .3125 3/8 .234
1/16 27 4 Plug TiN 15839 12 .250 .374 2-1/8 11/16 .3125 3/8 .234
1/8 27 4 Plug   14012 12 .250 .374 2-1/8 3/4 .3125 3/8 .234
1/8 27 4 Plug 52 15310 12 .250 .374 2-1/8 3/4 .3125 3/8 .234
1/8 27 4 Plug TiN 15842 12 .250 .374 2-1/8 3/4 .3125 3/8 .234
1/8 27 4 Plug   13993 12 .250 .374 2-1/8 3/4 .4375 3/8 .328
1/8 27 4 Plug 33 15302 12 .250 .374 2-1/8 3/4 .4375 3/8 .328
1/8 27 4 Plug 52 15303 12 .250 .374 2-1/8 3/4 .4375 3/8 .328
1/8 27 4 Plug TiN 15843 12 .250 .374 2-1/8 3/4 .4375 3/8 .328
1/4 18 4 Plug   14030 12 .398 .522 2-7/16 1-1/16 .5625 7/16 .421
1/4 18 4 Plug 33 15314 12 .398 .522 2-7/16 1-1/16 .5625 7/16 .421
1/4 18 4 Plug 52 15315 12 .398 .522 2-7/16 1-1/16 .5625 7/16 .421
1/4 18 4 Plug TiN 15846 12 .398 .522 2-7/16 1-1/16 .5625 7/16 .421
3/8 18 4 Plug   14045 3 .392 .516 2-9/16 1-1/16 .7000 1/2 .531
3/8 18 4 Plug 33 15322 3 .392 .516 2-9/16 1-1/16 .7000 1/2 .531
3/8 18 4 Plug TiN 15847 3 .392 .516 2-9/16 1-1/16 .7000 1/2 .531
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Tap
Size
Thrds Per Inch No. of Flutes Chamfer Type Surface Treat EDP No Pkg Qty Gage Projection Overall Length
A
Thread Length
B
Shank Dia.
C
Square Length
D
Square Size
E
Min. Max.
1/2 14 4 Plug   14064 3 .518 .642 3-1/8 1-3/8 .6875 5/8 .515
1/2 14 4 Plug 33 15327 3 .518 .642 3-1/8 1-3/8 .6875 5/8 .515
1/2 14 4 Plug 52 15328 3 .518 .642 3-1/8 1-3/8 .6875 5/8 .515
1/2 14 4 Plug TiN 15848 3 .518 .642 3-1/8 1-3/8 .6875 5/8 .515
3/4 14 5 Plug   14083 3 .504 .628 3-1/4 1-3/8 .9063 11/16 .679
3/4 14 5 Plug 33 15332 3 .504 .628 3-1/4 1-3/8 .9063 11/16 .679
3/4 14 5 Plug 52 15333 3 .504 .628 3-1/4 1-3/8 .9063 11/16 .679
3/4 14 5 Plug TiN 15849 3 .504 .628 3-1/4 1-3/8 .9063 11/16 .679
1 11-1/2 5 Plug   14102 1 .584 .772 3-3/4 1-3/4 1.1250 13/16 .843
1 11-1/2 5 Plug 33 15336 1 .584 .772 3-3/4 1-3/4 1.1250 13/16 .843
1 11-1/2 5 Plug 55 15337 1 .584 .772 3-3/4 1-3/4 1.1250 13/16 .843
1 11-1/2 5 Plug TiN 15850 1 .584 .772 3-3/4 1-3/4 1.1250 13/16 .843
1-1/4 11-1/2 5 Plug   14120 1 .592 .780 4 1-3/4 1.3125 15/16 .984
1-1/4 11-1/2 5 Plug 33 19199 1 .592 .780 4 1-3/4 1.3125 15/16 .984
1-1/2 11-1/2 7 Plug   14132 1 .605 .793 4-1/4 1-3/4 1.5000 1 1.125
2 11-1/2 7 Plug   14144 1 .573 .761 4-1/2 1-3/4 1.8750 1-1/8 1.406
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