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Besly
Popular Special
Straight Pipe Taps

High Speed Steel
Ground Thread

Straight Flute
4 and 5 Flute


Fractional Sizes:
1/8 | 1/4 | 3/8 | 1/2 | 3/4

Catalog Number: 3174

Besly Popular Special Straight Pipe Taps

Besly Popular Special Straight Pipe Taps (NPSI) are used primarily for tapping internal straight threads in intermediate automotive threading.

Please call 800 435-2965 for current net pricing.

Note: Click the EDP No to check availability.

 
All dimensions are in inches.
  Besly Popular Special
Straight
PipeTaps
Catl No. 3174
Fractional
Sizes
 
  Besly Surface Treatments Besly Drill Selector
Tap
Size
Thrds Per Inch No. of Flutes Chamfer Type Pkg
Qty*
EDP No Gage Projection Overall Length
A
Thread Length
B
Shank Dia.
C
Square Length
D
Square Size
E
Min. Max.
1/8 27 3 Plug   19242 .250 .374 2-1/8 3/4 .3125 3/8 .234
1/4 18 4 Plug   19243 .398 .522 2-7/16 1-1/16 .5625 7/16 .421
3/8 18 4 Plug   19244 .392 .516 2-9/16 1-1/16 .7000 1/2 .531
1/2 14 4 Plug   19245 .518 .642 3-1/8 1-3/8 .6875 5/8 .515
3/4 14 5 Plug   19246 .504 .628 3-1/4 1-3/8 .9063 11/16 .679
 * No standard package quantity. Price determined by quantity ordered. Go to the top of this page.