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Besly
Popular Special
Straight Flute Taps

High Speed Steel
Ground Thread

Straight Flute
2, 3 and 4 Flute


Machine Screw Sizes:
2 | 4 | 6 | 8 | 10 | 12 | 14

Also available...

Standard Sizes: Catl No. 4115


Left Hand: Catl No. 4115LH

Catalog Number: 4115

Besly Standard Straight Flute Taps

Besly Popular Special 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 Popular Special
Straight Flute
Taps
Catl No. 4115
Machine Screw Sizes
 
   
  Besly Surface Treatments Besly Drill Selector
Tap Size
& TPI
No. of Flutes Chamfer Type P.D. Limits Special
Features
Pkg
Qty*
EDP No Basic Pitch Dia. Overall Length
A
Thread Length
B
Shank Dia.
C
Square Length
D
Square Size
E
2-56 2 Taper H4     10846 .0744 1-3/4 7/16 .141 3/16 .110
2-56 2 Plug H4     10833 .0744 1-3/4 7/16 .141 3/16 .110
2-56 2 Bot H4     10836 .0744 1-3/4 7/16 .141 3/16 .110
4-32 3 Taper H2     10979 .0917 1-7/8 9/16 .141 3/16 .110
4-32 3 Plug H2     10980 .0917 1-7/8 9/16 .141 3/16 .110
4-32 3 Bot H2     10981 .0917 1-7/8 9/16 .141 3/16 .110
4-40 3 Taper H3     11053 .0958 1-7/8 9/16 .141 3/16 .110
4-40 3 Plug H3     11054 .0958 1-7/8 9/16 .141 3/16 .110
4-40 3 Bot H3     11055 .0958 1-7/8 9/16 .141 3/16 .110
6-32 3 Taper H5     11236 .1177 2 11/16 .141 3/16 .110
6-32 3 Taper H11 +.005   18410 .1177 2 11/16 .141 3/16 .110
6-32 3 Plug H5     11241 .1177 2 11/16 .141 3/16 .110
6-32 3 Plug H11 +.005   18411 .1177 2 11/16 .141 3/16 .110
6-32 3 Bot H5     11237 .1177 2 11/16 .141 3/16 .110
6-32 3 Bot H11 +.005   18412 .1177 2 11/16 .141 3/16 .110
6-48 3 Taper H2     11300 .1245 2 11/16 .141 3/16 .110
6-48 3 Plug H2     11301 .1245 2 11/16 .141 3/16 .110
6-48 3 Bot H2     11302 .1245 2 11/16 .141 3/16 .110
 * No standard package quantity. Price determined by quantity ordered. Go to the top of this page.
Tap Size
& TPI
No. of Flutes Chamfer Type P.D. Limits Special
Features
Pkg
Qty*
EDP No Basic Pitch Dia. Overall Length
A
Thread Length
B
Shank Dia.
C
Square Length
D
Square Size
E
8-24 4 Taper H3     11306 .1369 2-1/8 3/4 .168 1/4 .131
8-24 4 Plug H3     11307 .1369 2-1/8 3/4 .168 1/4 .131
8-24 4 Bot H3     11308 .1369 2-1/8 3/4 .168 1/4 .131
8-32 4 Taper H5     11386 .1477 2-1/8 3/4 .168 1/4 .131
8-32 4 Taper H11 +.005   18428 .1477 2-1/8 3/4 .168 1/4 .131
8-32 4 Plug H3 6" ext   19538 .1477 6 3/4 .168 1/4 .131
8-32 4 Plug H5     11387 .1477 2-1/8 3/4 .168 1/4 .131
8-32 4 Plug H11 +.005   18429 .1477 2-1/8 3/4 .168 1/4 .131
8-32 4 Bot H3 6" ext   11397 .1477 6 3/4 .168 1/4 .131
8-32 4 Bot H5     11384 .1477 2-1/8 3/4 .168 1/4 .131
8-32 4 Bot H11 +.005   18430 .1477 2-1/8 3/4 .168 1/4 .131
8-40 4 Taper H2     15563 .1518 2-1/8 3/4 .168 1/4 .131
8-40 4 Plug H3     15564 .1518 2-1/8 3/4 .168 1/4 .131
8-40 4 Bot H3     15565 .1518 2-1/8 3/4 .168 1/4 .131
 * No standard package quantity. Price determined by quantity ordered. Go to the top of this page.
Tap Size
& TPI
No. of Flutes Chamfer Type P.D. Limits Special
Features
Pkg
Qty*
EDP No Basic Pitch Dia. Overall Length
A
Thread Length
B
Shank Dia.
C
Square Length
D
Square Size
E
10-24 4 Taper H3 Double lead   11536 .1629 2-3/8 7/8 .194 1/4 .152
10-24 4 Taper H5     11526 .1629 2-3/8 7/8 .194 1/4 .152
10-24 4 Taper H11 +.005   18440 .1629 2-3/8 7/8 .194 1/4 .152
10-24 4 Plug H3 Double lead   11537 .1629 2-3/8 7/8 .194 1/4 .152
10-24 4 Plug H5     11527 .1629 2-3/8 7/8 .194 1/4 .152
10-24 4 Plug H11 +.005   18441 .1629 2-3/8 7/8 .194 1/4 .152
10-24 4 Bot H3 Double lead   11538 .1629 2-3/8 7/8 .194 1/4 .152
10-24 4 Bot H5     11532 .1629 2-3/8 7/8 .194 1/4 .152
10-24 4 Bot H11 +.005   18442 .1629 2-3/8 7/8 .194 1/4 .152
10-28 4 Taper H3     18444 .1668 2-3/8 7/8 .194 1/4 .152
10-28 4 Plug H3     18445 .1668 2-3/8 7/8 .194 1/4 .152
10-28 4 Bot H3     18446 .1668 2-3/8 7/8 .194 1/4 .152
10-30 4 Taper H3     18447 .1684 2-3/8 7/8 .194 1/4 .152
10-30 4 Plug H3     18448 .1684 2-3/8 7/8 .194 1/4 .152
10-30 4 Bot H3     18449 .1684 2-3/8 7/8 .194 1/4 .152
10-32 4 Taper H5     11636 .1697 2-3/8 7/8 .194 1/4 .152
10-32 4 Taper H11 +.005   18465 .1697 2-3/8 7/8 .194 1/4 .152
10-32 4 Plug H4     11638 .1697 2-3/8 7/8 .194 1/4 .152
10-32 4 Plug H5     11634 .1697 2-3/8 7/8 .194 1/4 .152
10-32 4 Plug H11 +.005   18450 .1697 2-3/8 7/8 .194 1/4 .152
10-32 4 Bot H4     11639 .1697 2-3/8 7/8 .194 1/4 .152
10-32 4 Bot H5     11637 .1697 2-3/8 7/8 .194 1/4 .152
10-32 4 Bot H11 +.005   18451 .1697 2-3/8 7/8 .194 1/4 .152
 * No standard package quantity. Price determined by quantity ordered. Go to the top of this page.
Tap Size
& TPI
No. of Flutes Chamfer Type P.D. Limits Special
Features
Pkg
Qty*
EDP No Basic Pitch Dia. Overall Length
A
Thread Length
B
Shank Dia.
C
Square Length
D
Square Size
E
10-36 4 Taper H2     18455 .1720 2-3/8 7/8 .194 1/4 .152
10-36 4 Plug H2     18456 .1720 2-3/8 7/8 .194 1/4 .152
10-36 4 Bot H2     18457 .1720 2-3/8 7/8 .194 1/4 .152
10-40 4 Taper H2     18458 .1738 2-3/8 7/8 .194 1/4 .152
10-40 4 Plug H2     18453 .1738 2-3/8 7/8 .194 1/4 .152
10-40 4 Bot H2     18454 .1738 2-3/8 7/8 .194 1/4 .152
10-48 4 Taper H2     18459 .1765 2-3/8 7/8 .194 1/4 .152
10-48 4 Plug H2     18460 .1765 2-3/8 7/8 .194 1/4 .152
10-48 4 Bot H2     18461 .1765 2-3/8 7/8 .194 1/4 .152
10-56 4 Taper H2     18462 .1784 2-3/8 7/8 .194 1/4 .152
10-56 4 Plug H2     18463 .1784 2-3/8 7/8 .194 1/4 .152
10-56 4 Bot H2     18464 .1784 2-3/8 7/8 .194 1/4 .152
10-64 4 Taper H2     18668 .1799 2-3/8 7/8 .194 1/4 .152
10-64 4 Plug H2     18669 .1799 2-3/8 7/8 .194 1/4 .152
10-64 4 Bot H2     18670 .1799 2-3/8 7/8 .194 1/4 .152
 * No standard package quantity. Price determined by quantity ordered. Go to the top of this page.
Tap Size
& TPI
No. of Flutes Chamfer Type P.D. Limits Special
Features
Pkg
Qty*
EDP No Basic Pitch Dia. Overall Length
A
Thread Length
B
Shank Dia.
C
Square Length
D
Square Size
E
12-32 4 Taper H3     11710 .1957 2-3/8 15/16 .220 9/32 .165
12-32 4 Plug H3     11711 .1957 2-3/8 15/16 .220 9/32 .165
12-32 4 Bot H3     11712 .1957 2-3/8 15/16 .220 9/32 .165
12-36 4 Taper H2     11716 .1980 2-3/8 15/16 .220 9/32 .165
12-36 4 Plug H2     11717 .1980 2-3/8 15/16 .220 9/32 .165
12-36 4 Bot H2     11718 .1980 2-3/8 15/16 .220 9/32 .165
14-20 4 Taper H3     11714 .2175 2-1/2 1 .255 5/16 .191
14-20 4 Plug H3     11715 .2175 2-1/2 1 .255 5/16 .191
14-20 4 Bot H3     11720 .2175 2-1/2 1 .255 5/16 .191
14-24 4 Taper H3     11722 .2229 2-1/2 1 .255 5/16 .191
14-24 4 Plug H3     11721 .2229 2-1/2 1 .255 5/16 .191
14-24 4 Bot H3     11723 .2229 2-1/2 1 .255 5/16 .191
 * No standard package quantity. Price determined by quantity ordered. Go to the top of this page.