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Besly Standard
Spiral Flute Taps

High Speed Steel
Ground Thread

Spiral Flute
2 and 3 Flute


Machine Screw Sizes:

4 | 5 | 6 | 8 | 10

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


Also available...

Popular Specials: Catl No. 4113

Catalog Number: 4113

Besly Standard Spiral Pointed Taps

Besly Standard Spiral Flute Taps are designed for easy removal of chips from blind holes and for tapping holes in which a keyway or opening must be bridged by the tap lands. These taps have 30° spiral flutes.

Please call 800 435-2965 for current net pricing.

Note: Click the EDP No to check availability.

   
All dimensions are in inches.
  Besly Standard
Spiral Flute
Taps
Catl No. 4113
Machine Screw Sizes
   
  Besly Surface Treatments Besly Drill Selector
Tap Size
& TPI
No. of Flutes Chamfer 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
4-40 2 Plug H2   11030 12 .0958 1-7/8 9/16 .141 3/16 .110
4-40 2 Bot H2   11031 12 .0958 1-7/8 9/16 .141 3/16 .110
5-40 2 Plug H2   11120 12 .1088 1-11-16 5/8 .141 3/16 .110
5-40 2 Bot H2   11121 12 .1088 1-11/16 5/8 .141 3/16 .110
6-32 2 Plug H3   11221 12 .1177 2 11/16 .141 3/16 .110
6-32 2 Bot H3   11222 12 .1177 2 11/16 .141 3/16 .110
8-32 2 Plug H3   11334 12 .1437 2-1/8 3/4 .168 1/4 .131
8-32 2 Bot H3   11335 12 .1437 2-1/8 3/4 .168 1/4 .131
10-24 2 Plug H3   11481 12 .1629 2-3/8 7/8 .194 1/4 .152
10-24 2 Bot H3   11482 12 .1629 2-3/8 7/8 .194 1/4 .152
10-32 2 Plug H3   11575 12 .1697 2-3/8 7/8 .194 1/4 .152
10-32 2 Bot H3   11580 12 .1697 2-3/8 7/8 .194 1/4 .152
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All dimensions are in inches.
  Besly Standard
Spiral Flute
Taps
Catl No. 4113
Fractional Sizes
   
  Besly Surface Treatments Besly Drill Selector
Tap Size
& TPI
No. of Flutes Chamfer 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   11773 12 .2175 2-1/2 1 .255 5/16 .191
1/4-20 2 Bot H3   11774 12 .2175 2-1/2 1 .255 5/16 .191
1/4-20 3 Plug H3   16875 12 .2175 2-1/2 1 .255 5/16 .191
1/4-20 3 Bot H3   16880 12 .2175 2-1/2 1 .255 5/16 .191
1/4-28 2 Plug H3   11875 12 .2268 2-1/2 1 .255 5/16 .191
1/4-28 2 Bot H3   11880 12 .2268 2-1/2 1 .255 5/16 .191
1/4-28 3 Plug H3   16881 12 .2268 2-1/2 1 .255 5/16 .191
1/4-28 3 Bot H3   16882 12 .2268 2-1/2 1 .255 5/16 .191
5/16-18 3 Plug H3   11994 12 .2764 2-23/32 1-1/8 .318 3/8 .238
5/16-18 3 Plug H3 33 15291 12 .2764 2-23/32 1-1/8 .318 3/8 .238
5/16-18 3 Bot H3   11995 12 .2764 2-23/32 1-1/8 .318 3/8 .238
5/16-18 3 Bot H3 33 15292 12 .2764 2-23/32 1-1/8 .318 3/8 .238
5/16-24 3 Plug H3   12094 12 .2854 2-23/32 1-1/8 .318 3/8 .238
5/16-24 3 Bot H3   12095 12 .2854 2-23/32 1-1/8 .318 3/8 .238
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Tap Size
& TPI
No. of Flutes Chamfer 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 H3   12195 12 .3344 2-15/16 1-1/4 .381 7/16 .286
3/8-16 3 Bot H3   12200 12 .3344 2-15/16 1-1/4 .381 7/16 .286
3/8-16 3 Bot H3 33 15293 12 .3344 2-15/16 1-1/4 .381 7/16 .286
3/8-24 3 Plug H3   12294 12 .3479 2-15/16 1-1/4 .381 7/16 .286
3/8-24 3 Bot H3   12295 12 .3479 2-15/16 1-1/4 .381 7/16 .286
7/16-14 3 Plug H3   12390 12 .3911 3-5/32 1-7/16 .323 13/32 .242
7/16-14 3 Bot H3   12391 12 .3911 3-5/32 1-7/16 .323 13/32 .242
7/16-20 3 Plug H3   12465 12 .4050 3-5/32 1-7/16 .323 13/32 .242
7/16-20 3 Bot H3   12470 12 .4050 3-5/32 1-7/16 .323 13/32 .242
1/2-13 3 Plug H3   12583 12 .4500 3-3/8 1-21/32 .367 7/16 .275
1/2-13 3 Bot H3   12584 12 .4500 3-3/8 1-21/32 .367 7/16 .275
1/2-13 3 Bot H3 33 15294 12 .4500 3-3/8 1-21/32 .367 7/16 .275
1/2-20 3 Plug H3   12680 12 .4675 3-3/8 1-21/32 .367 7/16 .275
1/2-20 3 Bot H3   12681 12 .4675 3-3/8 1-21/32 .367 7/16 .275
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