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Besly Standard 
Straight Flute Taps

High Speed Steel
Ground Thread

Straight Flute
2 and 3 Flute


Fractional Sizes:
1/4 | 5/16 | 3/8 | 7/16 | 1/2

 

 Catalog Number: 4112

Besly Standard Straight Flute Taps     

These Besly Standard Straight Flute Taps are  available in two and three flute designs. Wider flutes make the two flute taps ideal for horizontal tapping. Three flute taps are suggested for use in deep, or blind holes in soft, stringy materials. They provide more room in the flutes for chip removal than four flute taps.

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 Taps
Catl No. 4112
Fractional Sizes		    
 
Besly Surface Treatments Besly Drill Selector
Tap Size
& TPI		 No. of Flutes Cham Type P.D. Limits Surface Treat EDP No Pkg Qty Basic Pitch Dia. Overall Length
A		 Thread Length
B		 Shank Dia.
C		 Square Length
D		 Square Size
E
1/4-20 2 Plug H3   11771 12 .2175 2-1/2 1 .255 5/16 .191
1/4-20 2 Plug H3 33 15116 12 .2175 2-1/2 1 .255 5/16 .191
1/4-20 2 Bot H3   11772 12 .2175 2-1/2 1 .255 5/16 .191
1/4-20 2 Bot H3 33 15117 12 .2175 2-1/2 1 .255 5/16 .191
1/4-20 3 Plug H1   11775 12 .2175 2-1/2 1 .255 5/16 .191
1/4-20 3 Plug H2   11781 12 .2175 2-1/2 1 .255 5/16 .191
1/4-20 3 Plug H3   11783 12 .2175 2-1/2 1 .255 5/16 .191
1/4-20 3 Plug H3 52 15118 12 .2175 2-1/2 1 .255 5/16 .191
1/4-20 3 Plug H5   11785 12 .2175 2-1/2 1 .255 5/16 .191
1/4-20 3 Plug H5 55 15121 12 .2175 2-1/2 1 .255 5/16 .191
1/4-20 3 Bot H3   11784 12 .2175 2-1/2 1 .255 5/16 .191
1/4-20 3 Bot H3 24 15119 12 .2175 2-1/2 1 .255 5/16 .191
1/4-20 3 Bot H3 55 15120 12 .2175 2-1/2 1 .255 5/16 .191
1/4-20 3 Bot H5   11790 12 .2175 2-1/2 1 .255 5/16 .191
1/4-28 2 Plug H3   11873 12 .2268 2-1/2 1 .255 5/16 .191
1/4-28 2 Bot H3   11874 12 .2268 2-1/2 1 .255 5/16 .191
1/4-28 3 Plug H3   11885 12 .2268 2-1/2 1 .255 5/16 .191
1/4-28 3 Plug H3 33 15129 12 .2268 2-1/2 1 .255 5/16 .191
1/4-28 3 Bot H3   11890 12 .2268 2-1/2 1 .255 5/16 .191
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Tap Size
& TPI		 No. of Flutes Cham Type P.D. Limits Surface Treat EDP No Pkg Qty Basic Pitch Dia. Overall Length
A		 Thread Length
B		 Shank Dia.
C		 Square Length
D		 Square Size
E
5/16-18 2 Plug H3   11970 12 .2764 2-23/32 1-1/8 .318 3/8 .238
5/16-18 2 Plug H3 33 15139 12 .2764 2-23/32 1-1/8 .318 3/8 .238
5/16-18 2 Bot H3   11971 12 .2764 2-23/32 1-1/8 .318 3/8 .238
5/16-18 3 Plug H1   11974 12 .2764 2-23/32 1-1/8 .318 3/8 .238
5/16-18 3 Plug H2   11980 12 .2764 2-23/32 1-1/8 .318 3/8 .238
5/16-18 3 Plug H3   11982 12 .2764 2-23/32 1-1/8 .318 3/8 .238
5/16-18 3 Plug H5   11984 12 .2764 2-23/32 1-1/8 .318 3/8 .238
5/16-18 3 Bot H3   11983 12 .2764 2-23/32 1-1/8 .318 3/8 .238
5/16-18 3 Bot H5   11985 12 .2764 2-23/32 1-1/8 .318 3/8 .238
5/16-18 3 Bot H5 52 15142 12 .2764 2-23/32 1-1/8 .318 3/8 .238
5/16-24 3 Plug H3   12084 12 .2854 2-23/32 1-1/8 .318 3/8 .238
5/16-24 3 Bot H3   12085 12 .2854 2-23/32 1-1/8 .318 3/8 .238
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Tap Size
& TPI		 No. of Flutes Cham Type P.D. Limits Surface Treat EDP No Pkg Qty Basic Pitch Dia. Overall Length
A		 Thread Length
B		 Shank Dia.
C		 Square Length
D		 Square Size
E
3/8-16 3 Plug H1   12175 12 .3344 2-15/16 1-1/4 .381 7/16 .286
3/8-16 3 Plug H3   12183 12 .3344 2-15/16 1-1/4 .381 7/16 .286
3/8-16 3 Plug H3 33 15044 12 .3344 2-15/16 1-1/4 .381 7/16 .286
3/8-16 3 Plug H3 52 15045 12 .3344 2-15/16 1-1/4 .381 7/16 .286
3/8-16 3 Plug H5   12185 12 .3344 2-15/16 1-1/4 .381 7/16 .286
3/8-16 3 Bot H3   12184 12 .3344 2-15/16 1-1/4 .381 7/16 .286
3/8-16 3 Bot H3 33 15046 12 .3344 2-15/16 1-1/4 .381 7/16 .286
3/8-16 3 Bot H3 52 15047 12 .3344 2-15/16 1-1/4 .381 7/16 .286
3/8-16 3 Bot H5   12190 12 .3344 2-15/16 1-1/4 .381 7/16 .286
3/8-24 3 Plug H3   12282 12 .3479 2-15/16 1-1/4 .381 7/16 .286
3/8-24 3 Bot H3   12283 12 .3479 2-15/16 1-1/4 .381 7/16 .286
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Tap Size
& TPI		 No. of Flutes Cham Type P.D. Limits Surface Treat EDP No Pkg Qty Basic Pitch Dia. Overall Length
A		 Thread Length
B		 Shank Dia.
C		 Square Length
D		 Square Size
E
7/16-14 3 Plug H3   12380 12 .3911 3-5/32 1-7/16 .323 13/32 .242
7/16-14 3 Bot H3   12381 12 .3911 3-5/32 1-7/16 .323 13/32 .242
7/16-20 3 Plug H3   12455 12 .4050 3-5/32 1-7/16 .323 13/32 .242
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Tap Size
& TPI		 No. of Flutes Cham Type P.D. Limits Surface Treat EDP No Pkg Qty Basic Pitch Dia. Overall Length
A		 Thread Length
B		 Shank Dia.
C		 Square Length
D		 Square Size
E
1/2-13 3 Plug H3   12571 12 .4500 3-3/8 1-21/32 .367 7/16 .275
1/2-13 3 Plug H3 33 15268 12 .4500 3-3/8 1-21/32 .367 7/16 .275
1/2-13 3 Bot H3   12572 12 .4500 3-3/8 1-21/32 .367 7/16 .275
1/2-13 3 Bot H3 33 15169 12 .4500 3-3/8 1-21/32 .367 7/16 .275
1/2-20 3 Plug H3   12670 12 .4675 3-3/8 1-21/32 .367 7/16 .275
1/2-20 3 Bot H3   12671 12 .4675 3-3/8 1-21/32 .367 7/16 .275
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