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Besly Standard 
Straight Flute Taps

High Speed Steel
Ground Thread

Straight Flute
2, 3 and 4 Flute


Machine Screw Sizes:
0 | 1 | 2 | 3 | 4 | 5 | 6 | 8 | 10 | 12

Also available...

Popular Specials: Catl No. 4115


Left Hand: Catl No. 4115LH

Catalog Number: 4115

Besly Standard Straight Flute Taps
Besly Standard Straight Flute Taps are for general use in production tapping or hand operations. A choice of taper, plug and bottoming chamfer styles provide great versatility in tough materials with blind or thru holes. The taper style starts the thread square with the hole. The plug style is generally used in thru holes or in blind holes with sufficient clearance. The bottoming style generates the thread to the bottom of the hole. These taps are also available in complete sets of one taper, one plug and one bottoming tap of the same size.

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. 4115

Machine Screw 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
0-80 2 Taper H1   10773 12 .0519 1-5/8 5/16 .141 3/16 .110
0-80 2 Plug H1   10774 12 .0519 1-5/8 5/16 .141 3/16 .110
0-80 2 Plug H2   10781 12 .0519 1-5/8 5/16 .141 3/16 .110
0-80 2 Plug H2 TiN 15685 12 .0519 1-5/8 5/16 .141 3/16 .110
0-80 2 Bot H1   10775 12 .0519 1-5/8 5/16 .141 3/16 .110
0-80 2 Bot H2   10782 12 .0519 1-5/8 5/16 .141 3/16 .110
0-80 2 Bot H2 TiN 15686 12 .0519 1-5/8 5/16 .141 3/16 .110
0-80 2 Set H1   16784 1 .0519 1-5/8 5/16 .141 3/16 .110
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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
1-64 2 Taper H1   10793 12 .0629 1-11/16 3/8 .141 3/16 .110
1-64 2 Plug H1   10794 12 .0629 1-11/16 3/8 .141 3/16 .110
1-64 2 Plug H2   10801 12 .0629 1-11/16 3/8 .141 3/16 .110
1-64 2 Bot H1   10795 12 .0629 1-11/16 3/8 .141 3/16 .110
1-64 2 Set H1   16785 1 .0629 1-11/16 3/8 .141 3/16 .110
1-72 2 Taper H1   10813 12 .0640 1-11/16 3/8 .141 3/16 .110
1-72 2 Plug H1   10814 12 .0640 1-11/16 3/8 .141 3/16 .110
1-72 2 Plug H2   10821 12 .0640 1-11/16 3/8 .141 3/16 .110
1-72 2 Plug H2 33 15237 12 .0640 1-11/16 3/8 .141 3/16 .110
1-72 2 Bot H1   10815 12 .0640 1-11/16 3/8 .141 3/16 .110
1-72 2 Bot H2   10822 12 .0640 1-11/16 3/8 .141 3/16 .110
1-72 2 Set H1   16790 1 .0640 1-11/16 3/8 .141 3/16 .110
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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
2-56 2 Plug H1   10834 12 .0744 1-3/4 7/16 .141 3/16 .110
2-56 2 Plug H2   10841 12 .0744 1-3/4 7/16 .141 3/16 .110
2-56 2 Bot H1   10835 12 .0744 1-3/4 7/16 .141 3/16 .110
2-56 2 Bot H2   10842 12 .0744 1-3/4 7/16 .141 3/16 .110
2-56 2 Bot H2 33 15242 12 .0744 1-3/4 7/16 .141 3/16 .110
2-56 3 Taper H1   10843 12 .0744 1-3/4 7/16 .141 3/16 .110
2-56 3 Taper H2   10850 12 .0744 1-3/4 7/16 .141 3/16 .110
2-56 3 Plug H1   10844 12 .0744 1-3/4 7/16 .141 3/16 .110
2-56 3 Plug H2   10851 12 .0744 1-3/4 7/16 .141 3/16 .110
2-56 3 Plug H2 TiN 15687 12 .0744 1-3/4 7/16 .141 3/16 .110
2-56 3 Bot H1   10845 12 .0744 1-3/4 7/16 .141 3/16 .110
2-56 3 Bot H2   10852 12 .0744 1-3/4 7/16 .141 3/16 .110
2-56 3 Bot H2 TiN 15688 12 .0744 1-3/4 7/16 .141 3/16 .110
2-56 3 Set H2   10853 1 .0744 1-3/4 7/16 .141 3/16 .110
2-64 3 Taper H2   10881 12 .0759 1-3/4 7/16 .141 3/16 .110
2-64 3 Plug H2   10882 12 .0759 1-3/4 7/16 .141 3/16 .110
2-64 3 Bot H2   10883 12 .0759 1-3/4 7/16 .141 3/16 .110
2-64 3 Set H2   16792 1 .0759 1-3/4 7/16 .141 3/16 .110
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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
3-48 2 Plug H2   10905 12 .0855 1-13/16 1/2 .141 3/16 .110
3-48 2 Bot H2   10910 12 .0855 1-13/16 1/2 .141 3/16 .110
3-48 3 Taper H2   10924 12 .0855 1-13/16 1/2 .141 3/16 .110
3-48 3 Plug H1   10922 12 .0855 1-13/16 1/2 .141 3/16 .110
3-48 3 Plug H2   10925 12 .0855 1-13/16 1/2 .141 3/16 .110
3-48 3 Bot H2   10930 12 .0855 1-13/16 1/2 .141 3/16 .110
3-48 3 Set H2   10931 1 .0855 1-13/16 1/2 .141 3/16 .110
3-56 3 Taper H2   10971 12 .0874 1-13/16 1/2 .141 3/16 .110
3-56 3 Plug H2   10972 12 .0874 1-13/16 1/2 .141 3/16 .110
3-56 3 Bot H2   10973 12 .0874 1-13/16 1/2 .141 3/16 .110
3-56 3 Set H2   10974 1 .0874 1-13/16 1/2 .141 3/16 .110
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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
4-36 3 Taper H2   10992 12 .0940 1-7/8 9/16 .141 3/16 .110
4-36 3 Plug H2   10993 12 .0940 1-7/8 9/16 .141 3/16 .110
4-36 3 Bot H2   10994 12 .0940 1-7/8 9/16 .141 3/16 .110
4-36 3 Set H2   10995 1 .0940 1-7/8 9/16 .141 3/16 .110
4-40 2 Plug H2   11013 12 .0958 1-7/8 9/16 .141 3/16 .110
4-40 2 Plug H2 33 11020 12 .0958 1-7/8 9/16 .141 3/16 .110
4-40 2 Plug H2   15248 12 .0958 1-7/8 9/16 .141 3/16 .110
4-40 2 Bot H2   11021 12 .0958 1-7/8 9/16 .141 3/16 .110
4-40 2 Bot H2 33 15249 12 .0958 1-7/8 9/16 .141 3/16 .110
4-40 3 Taper H1   11032 12 .0958 1-7/8 9/16 .141 3/16 .110
4-40 3 Taper H2   11035 12 .0958 1-7/8 9/16 .141 3/16 .110
4-40 3 Plug H1   11033 12 .0958 1-7/8 9/16 .141 3/16 .110
4-40 3 Plug H2   11040 12 .0958 1-7/8 9/16 .141 3/16 .110
4-40 3 Plug H2 TiN 15689 12 .0958 1-7/8 9/16 .141 3/16 .110
4-40 3 Bot H1   11034 12 .0958 1-7/8 9/16 .141 3/16 .110
4-40 3 Bot H2   11041 12 .0958 1-7/8 9/16 .141 3/16 .110
4-40 3 Bot H2 TiN 15690 12 .0958 1-7/8 9/16 .141 3/16 .110
4-40 3 Set H2   11042 1 .0958 1-7/8 9/16 .141 3/16 .110
4-48 3 Taper H2   11082 12 .0985 1-7/8 9/16 .141 3/16 .110
4-48 3 Plug H2   11083 12 .0985 1-7/8 9/16 .141 3/16 .110
4-48 3 Bot H2   11084 12 .0985 1-7/8 9/16 .141 3/16 .110
4-48 3 Set H2   11085 1 .0985 1-7/8 9/16 .141 3/16 .110
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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
5-40 2 Plug H2   11110 12 .1088 1-15/16 5/8 .141 3/16 .110
5-40 2 Bot H2   11111 12 .1088 1-15/16 5/8 .141 3/16 .110
5-40 3 Taper H1   11122 12 .1088 1-15/16 5/8 .141 3/16 .110
5-40 3 Taper H2   11125 12 .1088 1-15/16 5/8 .141 3/16 .110
5-40 3 Plug H1   11123 12 .1088 1-15/16 5/8 .141 3/16 .110
5-40 3 Plug H2   11130 12 .1088 1-15/16 5/8 .141 3/16 .110
5-40 3 Plug H2 TiN 15691 12 .1088 1-15/16 5/8 .141 3/16 .110
5-40 3 Bot H1   11124 12 .1088 1-15/16 5/8 .141 3/16 .110
5-40 3 Bot H2   11131 12 .1088 1-15/16 5/8 .141 3/16 .110
5-40 3 Bot H2 TiN 15692 12 .1088 1-15/16 5/8 .141 3/16 .110
5-40 3 Set H1   11126 1 .1088 1-15/16 5/8 .141 3/16 .110
5-40 3 Set H2   11132 1 .1088 1-15/16 5/8 .141 3/16 .110
5-44 2 Plug H2   11153 12 .1102 1-15/16 5/8 .141 3/16 .110
5-44 3 Taper H2   11172 12 .1102 1-15/16 5/8 .141 3/16 .110
5-44 3 Plug H2   11173 12 .1102 1-15/16 5/8 .141 3/16 .110
5-44 3 Bot H2   11174 12 .1102 1-15/16 5/8 .141 3/16 .110
5-44 3 Set H2   11175 1 .1102 1-15/16 5/8 .141 3/16 .110
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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
6-32 2 Plug H1   11195 12 .1177 2 11/16 .141 3/16 .110
6-32 2 Plug H2   11202 12 .1177 2 11/16 .141 3/16 .110
6-32 2 Plug H3   11205 12 .1177 2 11/16 .141 3/16 .110
6-32 2 Plug H3 33 15063 12 .1177 2 11/16 .141 3/16 .110
6-32 2 Bot H2   11203 12 .1177 2 11/16 .141 3/16 .110
6-32 2 Bot H3   11210 12 .1177 2 11/16 .141 3/16 .110
6-32 2 Bot H3 33 15064 12 .1177 2 11/16 .141 3/16 .110
6-32 3 Taper H1   11223 12 .1177 2 11/16 .141 3/16 .110
6-32 3 Taper H2   11230 12 .1177 2 11/16 .141 3/16 .110
6-32 3 Taper H3   11233 12 .1177 2 11/16 .141 3/16 .110
6-32 3 Plug H1   11224 12 .1177 2 11/16 .141 3/16 .110
6-32 3 Plug H2   11231 12 .1177 2 11/16 .141 3/16 .110
6-32 3 Plug H2 TiN 15694 12 .1177 2 11/16 .141 3/16 .110
6-32 3 Plug H3   11234 12 .1177 2 11/16 .141 3/16 .110
6-32 3 Plug H3 52 15065 12 .1177 2 11/16 .141 3/16 .110
6-32 3 Plug H3 55 15066 12 .1177 2 11/16 .141 3/16 .110
6-32 3 Bot H1   11225 12 .1177 2 11/16 .141 3/16 .110
6-32 3 Bot H2   11232 12 .1177 2 11/16 .141 3/16 .110
6-32 3 Bot H2 TiN 15695 12 .1177 2 11/16 .141 3/16 .110
6-32 3 Bot H3   11235 12 .1177 2 11/16 .141 3/16 .110
6-32 3 Bot H3 33 15068 12 .1177 2 11/16 .141 3/16 .110
6-32 3 Set H1   11226 1 .1177 2 11/16 .141 3/16 .110
6-32 3 Set H2   16800 1 .1177 2 11/16 .141 3/16 .110
6-32 3 Set H3   11240 1 .1177 2 11/16 .141 3/16 .110
6-40 2 Plug H2   11273 12 .1218 2 11/16 .141 3/16 .110
6-40 3 Taper H2   11284 12 .1218 2 11/16 .141 3/16 .110
6-40 3 Plug H2   11285 12 .1218 2 11/16 .141 3/16 .110
6-40 3 Bot H2   11290 12 .1218 2 11/16 .141 3/16 .110
6-40 3 Set H2   11291 1 .1218 2 11/16 .141 3/16 .110
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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
8-32 2 Plug H1   11322 12 .1437 2-1/8 3/4 .168 1/4 .131
8-32 2 Plug H2   11325 12 .1437 2-1/8 3/4 .168 1/4 .131
8-32 2 Plug H2 33 15071 12 .1437 2-1/8 3/4 .168 1/4 .131
8-32 2 Plug H3   11332 12 .1437 2-1/8 3/4 .168 1/4 .131
8-32 2 Bot H2   11330 12 .1437 2-1/8 3/4 .168 1/4 .131
8-32 2 Bot H3   11333 12 .1437 2-1/8 3/4 .168 1/4 .131
8-32 2 Bot H3 33 15072 12 .1437 2-1/8 3/4 .168 1/4 .131
8-32 3 Plug H1   11341 12 .1437 2-1/8 3/4 .168 1/4 .131
8-32 3 Plug H2   11344 12 .1437 2-1/8 3/4 .168 1/4 .131
8-32 3 Plug H3   11351 12 .1437 2-1/8