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Besly Popular Special
Straight Flute Taps

High Speed Steel
Ground Thread

Straight Flute
4, 6  and 8 Flute


Fractional Sizes:
5/32 | 3/16 | .210 | 7/32 | 1/4 | 9/32 | 5/16 | 11/32 | 3/8 | 13/32 | 7/16 | 15/32 | 1/2 | 33/64 | 9/16 | 5/8 | 41/64 | 11/16 | 3/4 | 49/64 | .800 | 13/16 | 7/8 | 15/16 | 1 |
1-1/16 | 1-1/8 | 1-3/16 | 1-1/4 |
1-5/16 | 1-3/8 | 1-1/2 | 1-9/16 |
1-5/8 | 1-3/4 | 1-7/8 | 2 | 2-1/8 | 2-1/4 | 2-3/8 | 2-1/2 | 2-3/4 | 3


Also available...

Standard Sizes: Catl No. 4111

Left Hand: Catl No. 4111LH

Catalog Number: 4111

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 prices.

Printing Hint: Reduce the text size and turn off background printing before printing this page.

 
All dimensions are in inches.                 
  Besly Popular Special
Straight Flute
Taps
Catl No. 4111

Fractional Sizes
   
 
Besly Surface Treatments Besly Drill Selector
Tap Size
& TPI
No. of Flutes Cham 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
5/32-32 4 Taper H3     18472 .1360 2-1/8 3/4 .168 1/4 .131
5/32-32 4 Plug H3     18473 .1360 2-1/8 3/4 .168 1/4 .131
5/32-32 4 Bot H3     18474 .1360 2-1/8 3/4 .168 1/4 .131
3/16-24 4 Taper H3     18484 .1604 2-3/8 7/8 .194 1/4 .152
3/16-24 4 Plug H3     18486 .1604 2-3/8 7/8 .194 1/4 .152
3/16-24 4 Bot H3     18485 .1604 2-3/8 7/8 .194 1/4 .152
3/16-32 4 Taper H3     18489 .1672 2-3/8 7/8 .194 1/4 .152
3/16-32 4 Plug H3     18487 .1672 2-3/8 7/8 .194 1/4 .152
3/16-32 4 Bot H3     18490 .1672 2-3/8 7/8 .194 1/4 .152
.210-36 4 Taper H3     11795 .1920 2-3/8 15/16 .220 9/32 .165
.210-36 4 Plug H3     11796 .1920 2-3/8 15/16 .220 9/32 .165
.210-36 4 Plug H4     12663 .1920 2-3/8 15/16 .220 9/32 .165
.210-36 4 Bot H3     11797 .1920 2-3/8 15/16 .220 9/32 .165
.210-36 4 Bot H4     12664 .1920 2-3/8 15/16 .200 9/32 .165
7/32-32 4 Taper H3     18475 .1985 2-3/8 15/16 .220 9/32 .165
7/32-32 4 Plug H3     18476 .1985 2-3/8 15/16 .220 9/32 .165
7/32-32 4 Bot H3     18477 .1985 2-3/8 15/16 .220 9/32 .165
 * No standard package quantity. Price determined by quantity ordered. Go to the top of this page.
Tap Size
& TPI
No. of Flutes Cham 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
1/4-20 4 Taper H3 Double lead   14614 .2175 2-1/2 1 .255 5/16 .191
1/4-20 4 Taper H21 +.010   11855 .2175 2-1/2 1 .255 5/16 .191
1/4-20 4 Plug H3 6" ext   11847 .2175 6 1 .255 5/16 .191
1/4-20 4 Plug H3 6" ext
sm shk
  11849 .2175 6 1 .180 5/16 .191
1/4-20 4 Plug H3 8" ext   11867 .2175 8 1 .255 5/16 .191
1/4-20 4 Plug H3 Double lead   14615 .2175 2-1/2 1 .255 5/16 .191
1/4-20 4 Plug H11 +.005   11843 .2175 2-1/2 1 .255 5/16 .191
1/4-20 4 Plug H21 +.010   11856 .2175 2-1/2 1 .255 5/16 .191
1/4-20 4 Bot H3 6" ext   11848 .2175 6 1 .255 5/16 .191
1/4-20 4 Bot H3 6" ext
sm shk
  11858 .2175 6 1 .180 5/16 .191
1/4-20 4 Bot H3 8" ext   11868 .2175 8 1 .255 5/16 .191
1/4-20 4 Bot H3 Double lead   14616 .2175 2-1/2 1 .255 5/16 .191
1/4-20 4 Bot H11 +.005   11844 .2175 2-1/2 1 .255 5/16 .191
1/4-20 4 Bot H21 +.010   11857 .2175 2-1/2 1 .255 5/16 .191
1/4-24 4 Taper H3     11845 .2229 2-1/2 1 .255 5/16 .191
1/4-24 4 Plug H3     11850 .2229 2-1/2 1 .255 5/16 .191
1/4-24 4 Bot H3     11851 .2229 2-1/2 1 .255 5/16 .191
1/4-27 4 Taper H3     11852 .2259 2-1/2 1 .255 5/16 .191
1/4-27 4 Plug H3     11853 .2259 2-1/2 1 .255 5/16 .191
1/4-27 4 Bot H3     11854 .2259 2-1/2 1 .255 5/16 .191
 * No standard package quantity. Price determined by quantity ordered. Go to the top of this page.
Tap Size
& TPI
No. of Flutes Cham 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
1/4-28 4 Taper H3 6" ext   11948 .2268 6 1 .255 5/16 .191
1/4-28 4 Taper H3 Double lead   11945 .2268 2-1/2 1 .255 5/16 .191
1/4-28 4 Taper H5     11965 .2268 2-1/2 1 .255 5/16 .191
1/4-28 4 Taper H11 +.005   11939 .2268 2-1/2 1 .255 5/16 .191
1/4-28 4 Plug H3 6" ext   11950 .2268 6 1 .255 5/16 .191
1/4-28 4 Plug H3 Double lead   11946 .2268 2-1/2 1 .255 5/16 .191
1/4-28 4 Plug H5     11966 .2268 2-1/2 1 .255 5/16 .191
1/4-28 4 Plug H11 +.005   11936 .2268 2-1/2 1 .255 5/16 .191
1/4-28 4 Bot H3 6" ext   11949 .2268 6 1 .255 5/16 .191
1/4-28 4 Bot H3 Double lead   11947 .2268 2-1/2 1 .255 5/16 .191
1/4-28 4 Bot H5     11967 .2268 2-1/2 1 .255 5/16 .191
1/4-28 4 Bot H11 +.005   11937 .2268 2-1/2 1 .255 5/16 .191
1/4-32 4 Taper H3     11942 .2297 2-1/2 1 .255 5/16 .191
1/4-32 4 Taper H5     11956 .2297 2-1/2 1 .255 5/16 .191
1/4-32 4 Plug H3     11943 .2297 2-1/2 1 .255 5/16 .191
1/4-32 4 Plug H5     11957 .2297 2-1/2 1 .255 5/16 .191
1/4-32 4 Bot H3     11944 .2297 2-1/2 1 .255 5/16 .191
1/4-32 4 Bot H5     11958 .2297 2-1/2 1 .255 5/16 .191
 * No standard package quantity. Price determined by quantity ordered. Go to the top of this page.
Tap Size
& TPI
No. of Flutes Cham 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
1/4-36 4 Taper H2     18503 .2320 2-1/2 1 .255 5/16 .191
1/4-36 4 Taper H3     18160 .2320 2-1/2 1 .255 5/16 .191
1/4-36 4 Plug H2     18504 .2320 2-1/2 1 .255 5/16 .191
1/4-36 4 Plug H3     18163 .2320 2-1/2 1 .255 5/16 .191
1/4-36 4 Bot H2     18505 .2320 2-1/2 1 .255 5/16 .191
1/4-36 4 Bot H3     18164 .2320 2-1/2 1 .255 5/16 .191
1/4-40 4 Taper H2     16263 .2338 2-1/2 1 .255 5/16 .191
1/4-40 4 Plug H2     16264 .2338 2-1/2 1 .255 5/16 .191
1/4-40 4 Plug H3     11968 .2338 2-1/2 1 .255 5/16 .191
1/4-40 4 Bot H2     11951 .2338 2-1/2 1 .255 5/16 .191
1/4-40 4 Bot H3     11969 .2338 2-1/2 1 .255 5/16 .191
1/4-48 4 Taper H2     10039 .2365 2-1/2 1 .255 5/16 .191
1/4-48 4 Plug H2     10037 .2365 2-1/2 1 .255 5/16 .191
1/4-48 4 Bot H2     10038 .2365 2-1/2 1 .255 5/16 .191
1/4-56 4 Taper H2     10054 .2384 2-1/2 1 .255 5/16 .191
1/4-56 4 Plug H2     10055 .2384 2-1/2 1 .255 5/16 .191
1/4-56 4 Bot H2     10050 .2384 2-1/2 1 .255 5/16 .191
1/4-80 4 Taper H2     10051 .2419 2-1/2 1 .255 5/16 .191
1/4-80 4 Plug H2     10052 .2419 2-1/2 1 .255 5/16 .191
1/4-80 4 Bot H2     10053 .2419 2-1/2 1 .255 5/16 .191
 * No standard package quantity. Price determined by quantity ordered. Go to the top of this page.
Tap Size
& TPI
No. of Flutes Cham 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
9/32-32 4 Taper H3     10069 .2610 2-23/32 1-1/8 .318 3/8 .238
9/32-32 4 Plug H3     10070 .2610 2-23/32 1-1/8 .318 3/8 .238
9/32-32 4 Bot H3     10071 .2610 2-23/32 1-1/8 .318 3/8 .238
 * No standard package quantity. Price determined by quantity ordered. Go to the top of this page.
Tap Size
& TPI
No. of Flutes Cham 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
5/16-18 4 Taper H3 Double lead   12046 .2764 2-23/32 1-1/8 .318 3/8 .238
5/16-18 4 Taper H11 +.005   12040 .2764 2-23/32 1-1/8 .318 3/8 .238
5/16-18 4 Taper H21 +.010   12066 .2764 2-23/32 1-1/8 .318 3/8 .238
5/16-18 4 Plug H3 6" ext   12055 .2764 6 1-1/8 .318 3/8 .238
5/16-18 4 Plug H3 6" ext
sm shk
  19528 .2764 6 1-1/8 .220 3/8 .238
5/16-18 4 Plug H3 8" ext   12076 .2764 8 1-1/8 .318 3/8 .238
5/16-18 4 Plug H3 Double lead   12047 .2764 2-23/32 1-1/8 .318 3/8 .238
5/16-18 4 Plug H11 +.005   12041 .2764 2-23/32 1-1/8 .318 3/8 .238
5/16-18 4 Plug H21 +.010   12067 .2764 2-23/32 1-1/8 .318 3/8 .238
5/16-18 4 Bot H3 6" ext   12056 .2764 6 1-1/8 .318 3/8 .238
5/16-18 4 Bot H3 6" ext
sm shk
  19529 .2764 6 1-1/8 .220 3/8 .238
5/16-18 4 Bot H3 8" ext   12077 .2764 8 1-1/8 .318 3/8 .238
5/16-18 4 Bot H3 Double lead   12048 .2764 2-23/32 1-1/8 .318 3/8 .238
5/16-18 4 Bot H11 +.005   12042 .2764 2-23/32 1-1/8 .318 3/8 .238
5/16-18 4 Bot H21 +.010   12068 .2764 2-23/32 1-1/8 .318 3/8 .238
5/16-20 4 Taper H3     12051 .2800 2-23/32 1-1/8 .318 3/8 .238
5/16-20 4 Plug H3     12052 .2800 2-23/32 1-1/8 .318 3/8 .238
5/16-20 4 Bot H3     12053 .2800 2-23/32 1-1/8 .318 3/8 .238
 * No standard package quantity. Price determined by quantity ordered. Go to the top of this page.
Tap Size
& TPI
No. of Flutes Cham 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
5/16-24 4 Taper H5     10337 .2854 2-23/32 1-1/8 .318 3/8 .238
5/16-24 4 Taper H6     10340 .2854 2-23/32 1-1/8 .318 3/8 .238
5/16-24 4 Plug H3 6" ext   12058 .2854 6 1-1/8 .318 3/8 .238
5/16-24 4 Plug H5     10338 .2854 2-23/32 1-1/8 .318 3/8 .238
5/16-24 4 Plug H6     10341 .2854 2-23/32 1-1/8 .318 3/8 .238
5/16-24 4 Plug H11 +.005   12136 .2854 2-23/32 1-1/8 .318 3/8 .238
5/16-24 4 Bot H3 6" ext   12059 .2854 6 1-1/8 .318 3/8 .238
5/16-24 4 Bot H5     10339 .2854 2-23/32 1-1/8 .318 3/8 .238
5/16-24 4 Bot H6     10342 .2854 2-23/32 1-1/8 .318 3/8 .238
5/16-24 4 Bot H11 +.005   12137 .2854 2-23/32 1-1/8 .318 3/8 .238
5/16-27 4 Taper H3     12144 .2884 2-23/32 1-1/8 .318 3/8 .238
5/16-27 4 Plug H3     12145 .2881 2-23/32 1-1/8 .318 3/8 .238
5/16-27 4 Bot H3     12150 .2881 2-23/32 1-1/8 .318 3/8 .238
5/16-28 4 Taper H3     12156 .2893 2-23/32 1-1/8 .318 3/8 .238
5/16-28 4 Plug H3     12157 .2893 2-23/32 1-1/8 .318 3/8 .238
5/16-28 4 Bot H3     12158 .2893 2-23/32 1-1/8 .318 3/8 .238
5/16-32 4 Taper H3     12151 .2922 2-23/32 1-1/8 .318 3/8 .238
5/16-32 4 Taper H5     12166 .2922 2-23/32 1-1/8 .318 3/8 .238
5/16-32 4 Plug H3     12152 .2922 2-23/32 1-1/8 .318