Besly Logo Besly Slogan  
Tap Pic  
Taps Dies Drills Reamers End Mills Misc Distributor About Us Home

Besly Standard
Straight Flute Taps

High Speed Steel
Ground Thread

Straight Flute
2, 3, 4 and 6 Flute


Metric Sizes:

M1.6 | M1.8 | M2 | M2.2 | M2.5 | M3 | M3.5 | M4 | M4.5 | M5 | M6 | M7 | M8 | M10 | M12 | M14 | M16 | M18 | M20 | M22 | M24 | M27 | M30 | M33 | M36 | M39


Also available...

Popular Specials: Catl No. 4124

Left Hand: Catl No. 4124LH

Catalog Number: 4124

Besly Standard Turbo Cut Taps

Besly Standard Straight Flute Taps are for general use in production tapping or hand operations. These tools are manufactured by Besly to meet the growing demand for metric sizes.

Choose the plug chamfer style for thru hole applications or blind holes with sufficient clearance. The bottoming style is used for threading deep or blind holes to the bottom. 

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. 4124
Metric Sizes
   
  Besly Surface Treatments Besly Drill Selector
Tap Size
& TPI
Inch
Equivalent
No. of Flutes Chamfer Type P.D. Limits Surface Treat EDP No Pkg Qty Overall Length
A
Thread Length
B
Shank Dia.
C
Square Length
D
Square Size
E
  M1.6 x 0.35 .0630 x 72.57 2 Plug D3   17995 12 1.620 .310 .141 .190 .110
  M1.6 x 0.35 .0630 x 72.57 2 Bot D3   17996 12 1.620 .310 .141 .190 .110
  M1.8 x 0.35 .0709 x 72.57 2 Plug D3   17998 12 1.690 .380 .141 .190 .110
  M1.8 x 0.35 .0709 x 72.57 2 Bot D3   17999 12 1.690 .380 .141 .190 .110
  M2 x 0.4 .0788 x 63.50 3 Plug D3   18001 12 1.750 .440 .141 .190 .110
  M2 x 0.4 .0788 x 63.50 3 Bot D3   18002 12 1.750 .440 .141 .190 .110
  M2.2 x 0.45 .0867 x 56.44 3 Plug D3   18004 12 1.750 .440 .141 .190 .110
  M2.2 x 0.45 .0867 x 56.44 3 Bot D3   18005 12 1.750 .440 .141 .190 .110
  M2.5 x 0.45 .0985 x 56.44 3 Bot D3   18007 12 1.810 .500 .141 .190 .110
  M2.5 x 0.45 .0985 x 54.44 3 Bot D3   18008 12 1.810 .500 .141 .190 .110
  M3 x 0.5 .1182 x 50.80 3 Plug D4   18010 12 1.940 .620 .141 .190 .110
  M3 x 0.5 .1182 x 50.80 3 Bot D4   18011 12 1.940 .620 .141 .190 .110
  M3.5 x 0.6 .1378 x 42.33 3 Plug D4   18013 12 2.000 .690 .141 .190 .110
  M3.5 x 0.6 .1378 x 42.33 3 Bot D4   18014 12 2.000 .690 .141 .190 .110
  M4 x 0.7 .1575 x 36.29 4 Plug D4   18016 12 2.120 .750 .168 .250 .131
  M4 x 0.7 .1575 x 36.29 4 Bot D4   18017 12 2.120 .750 .168 .250 .131
  M4.5 x 0.75 .1772 x 33.87 4 Plug D4   18019 12 2.380 .880 .194 .250 .152
  M4.5 x 0.75 .1772 x 33.87 4 Bot D4   18020 12 2.380 .880 .194 .250 .152
  M5 x 0.8 .1969 x 31.75 4 Plug D4   18022 12 2.380 .880 .194 .250 .152
  M5 x 0.8 .1969 x 31.75 4 Plug D4 TiN 15747 12 2.380 .880 .194 .250 .152
  M5 x 0.8 .1969 x 31.75 4 Bot D4   18023 12 2.380 .880 .194 .250 .152
  M5 x 0.8 .1969 x 31.75 4 Bot D4 TiN 15748 12 2.380 .880 .194 .250 .152
Go to the top of this page.
Tap Size
& TPI
Inch
Equivalent
No. of Flutes Chamfer Type P.D. Limits Surface Treat EDP No Pkg Qty Overall Length
A
Thread Length
B
Shank Dia.
C
Square Length
D
Square Size
E
  M6 x 1 .2363 x 25.40 4 Plug D5   18025 12 2.500 1.000 .255 .310 .191
  M6 x 1 .2363 x 25.40 4 Plug D5   15749 12 2.500 1.000 .255 .310 .191
  M6 x 1 .2363 x 25.40 4 Bot D5   18026 12 2.500 1.000 .255 .310 .191
  M6 x 1 .2363 x 25.40 4 Bot D5   15384 12 2.500 1.000 .255 .310 .191
  M6 x 1 .2363 x 25.40 4 Bot D5   15752 12 2.500 1.000 .255 .310 .191
  M7 x 1 .2756 x 25.40 4 Plug D5   18028 12 2.720 1.120 .318 .380 .238
  M7 x 1 .2756 x 25.40 4 Bot D5   18029 12 2.720 1.120 .318 .380 .238
  M8 x 1.25 .3150 x 20.32 4 Plug D5   18034 12 2.720 1.120 .318 .380 .238
  M8 x 1.25 .3150 x 20.32 4 Plug D5 33 15385 12 2.720 1.120 .318 .380 .238
  M8 x 1.25 .3150 x 20.32 4 Plug D5 55 15386 12 2.720 1.120 .318 .380 .238
  M8 x 1.25 .3150 x 20.32 4 Plug D5 TiN 15753 12 2.720 1.120 .318 .380 .238
  M8 x 1.25 .3150 x 20.32 4 Bot D5   18035 12 2.720 1.120 .318 .380 .238
  M8 x 1.25 .3150 x 20.32 4 Bot D5 33 15387 12 2.720 1.120 .318 .380 .238
  M8 x 1.25 .3150 x 20.32 4 Bot D5 52 15388 12 2.720 1.120 .318 .380 .238
  M8 x 1.25 .3150 x 20.32 4 Bot D5 55 15389 12 2.720 1.120 .318 .380 .238
  M8 x 1.25 .3150 x 20.32 4 Bot D5 TiN 15754 12 2.720 1.120 .318 .380 .238
  M8 x 1 .3150 x 25.40 4 Plug D5   18031 12 2.720 1.120 .318 .380 .238
  M8 x 1 .3150 x 25.40 4 Bot D5   18032 12 2.720 1.120 .318 .380 .238
Go to the top of this page.
Tap Size
& TPI
Inch
Equivalent
No. of Flutes Chamfer Type P.D. Limits Surface Treat EDP No Pkg Qty Overall Length
A
Thread Length
B
Shank Dia.
C
Square Length
D
Square Size
E
  M10 x 1.5 .3937 x 16.93 4 Plug D6   18040 12 2.940 1.250 .381 .440 .286
  M10 x 1.5 .3937 x 16.93 4 Plug D6 TiN 15755 12 2.940 1.250 .381 .440 .286
  M10 x 1.5 .3937 x 16.93 4 Bot D6   18041 12 2.940 1.250 .381 .440 .286
  M10 x 1.5 .3937 x 16.93 4 Bot D6 33 15390 12 2.940 1.250 .381 .440 .286
  M10 x 1.5 .3937 x 16.93 4 Bot D6 52 15391 12 2.940 1.250 .381 .440 .286
  M10 x 1.5 .3937 x 16.93 4 Bot D6 55 15392 12 2.940 1.250 .381 .440 .286
  M10 x 1.5 .3937 x 16.93 4 Bot D6 TiN 15756 12 2.940 1.250 .381 .440 .286
  M10 x 1.25 .3937 x 20.32 4 Plug D5   18037 12 2.940 1.250 .381 .440 .286
  M10 x 1.25 .3937 x 20.32 4 Bot D5   18038 12 2.940 1.250 .381 .440 .286
  M12 x 1.75 .4725 x 14.51 4 Plug D6   18046 12 3.380 1.660 .367 .440 .275
  M12 x 1.75 .4725 x 14.51 4 Plug D6 33 15393 12 3.380 1.660 .367 .440 .275
  M12 x 1.75 .4725 x 14.51 4 Plug D6 TiN 15757 12 3.380 1.660 .367 .440 .275
  M12 x 1.75 .4725 x 14.51 4 Bot D6   18047 12 3.380 1.660 .367 .440 .275
  M12 x 1.75 .4725 x 14.51 4 Bot D6 33 15394 12 3.380 1.660 .367 .440 .275
  M12 x 1.75 .4725 x 14.51 4 Bot D6 52 15395 12 3.380 1.660 .367 .440 .275
  M12 x 1.75 .4725 x 14.51 4 Bot D6 55 15396 12 3.380 1.660 .367 .440 .275
  M12 x 1.75 .4725 x 14.51 4 Bot D6 TiN 15758 12 3.380 1.660 .367 .440 .275
  M12 x 1.25 .4725 x 20.32 4 Plug D5   18043 12 3.380 1.660 .367 .440 .275
  M12 x 1.25 .4725 x 20.32 4 Bot D5   18044 12 3.380 1.660 .367 .440 .275
Go to the top of this page.
Tap Size
& TPI
Inch
Equivalent
No. of Flutes Chamfer Type P.D. Limits Surface Treat EDP No Pkg Qty Overall Length
A
Thread Length
B
Shank Dia.
C
Square Length
D
Square Size
E
  M14 x 2 .5512 x 12.70 4 Plug D7   18052 3 3.590 1.660 .429 .500 .322
  M14 x 2 .5512 x 12.70 4 Bot D7   18053 3 3.590 1.660 .429 .500 .322
  M14 x 1.5 .5512 x 16.93 4 Plug D6   18049 3 3.590 1.660 .429 .500 .322
  M14 x 1.5 .5512 x 16.93 4 Plug D6 33 15397 3 3.590 1.660 .429 .500 .322
  M14 x 1.5 .5512 x 16.93 4 Plug D6 55 15398 3 3.590 1.660 .429 .500 .322
  M14 x 1.5 .5512 x 16.93 4 Bot D6   18050 3 3.590 1.660 .429 .500 .322
  M14 x 1.5 .5512 x 16.93 4 Bot D6 33 15399 3 3.590 1.660 .429 .500 .322
  M16 x 2 .6300 x 12.70 4 Plug D7   18058 3 3.810 1.810 .480 .560 .360
  M16 x 2 .6300 x 12.70 4 Plug D7 33 15401 3 3.810 1.810 .480 .560 .360
  M16 x 2 .6300 x 12.70 4 Bot D7   18059 3 3.810 1.810 .480 .560 .360
  M16 x 2 .6300 x 12.70 4 Bot D7 33 15402 3 3.810 1.810 .480 .560 .360
  M16 x 2 .6300 x 12.70 4 Bot D7 52 15403 3 3.810 1.810 .480 .560 .360
  M16 x 1.5 .6300 x 16.93 4 Plug D6   18055 3 3.810 1.810 .480 .560 .360
  M16 x 1.5 .6300 x 16.93 4 Bot D6   18056 3 3.810 1.810 .480 .560 .360
  M16 x 1.5 .6300 x 16.93 4 Bot D6 33 15400 3 3.810 1.810 .480 .560 .360
  M18 x 2.5 .7087 x 10.16 4 Plug D7   18064 3 4.030 1.810 .542 .620 .406
  M18 x 2.5 .7087 x 10.16 4 Bot D7   18065 3 4.030 1.810 .542 .620 .406
  M18 x 1.5 .7087 x 16.93 4 Plug D6   18061 3 4.030 1.810 .542 .620 .406
  M18 x 1.5 .7087 x 16.93 4 Bot D6   18062 3 4.030 1.810 .542 .620 .406
  M18 x 1.5 .7087 x 16.93 4 Bot D6 33 15405 3 4.030 1.810 .542 .620 .406
Go to the top of this page.
Tap Size
& TPI
Inch
Equivalent
No. of Flutes Chamfer Type P.D. Limits Surface Treat EDP No Pkg Qty Overall Length
A
Thread Length
B
Shank Dia.
C
Square Length
D
Square Size
E
  M20 x 2.5 .7875 x 10.16 4 Plug D7   18070 3 4.470 2.000 .652 .690 .489
  M20 x 2.5 .7875 x 10.16 4 Plug D7   15405 3 4.470 2.000 .652 .690 .489
  M20 x 2.5 .7875 x 10.16 4 Plug D7   15406 3 4.470 2.000 .652 .690 .489
  M20 x 2.5 .7875 x 10.16 4 Bot D7   18071 3 4.470 2.000 .652 .690 .489
  M20 x 2.5 .7875 x 10.16 4 Bot D7   15407 3 4.470 2.000 .652 .690 .489
  M20 x 1.5 .7875 x 16.93 4 Plug D6   18067 3 4.470 2.000 .652 .690 .489
  M20 x 1.5 .7875 x 16.93 4 Bot D6   18068 3 4.470 2.000 .652 .690 .489
  M22 x 2.5 .8662 x 10.16 4 Plug D7   18076 3 4.690 2.220 .697 .750 .523
  M22 x 2.5 .8662 x 10.16 4 Bot D7   18077 3 4.690 2.220 .697 .750 .523
  M22 x 1.5 .8662 x 16.93 4 Plug D6   18073 3 4.690 2.220 .697 .750 .523
  M22 x 1.5 .8662 x 16.93 4 Bot D6   18074 3 4.690 2.220 .697 .750 .523
  M24 x 3 .9449 x 8.47 4 Plug D8   18082 3 4.910 2.220 .760 .750 .570
  M24 x 3 .9449 x 8.47 4 Plug D8 33 15408 3 4.910 2.220 .760 .750 .570
  M24 x 3 .9449 x 8.47 4 Bot D8   18083 3 4.910 2.220 .760 .750 .570
  M24 x 2 .9449 x 12.70 4 Plug D7 18079 3 4.910 2.220 .760 .750 .570
  M24 x 2 .9449 x 12.70 4 Bot D7   18080 3 4.910 2.220 .760 .750 .570
  M27 x 3 1.0630 x 8.47 4 Plug D8   18088 3 5.120 2.500 .896 .880 .672
  M27 x 3 1.0630 x 8.47 4 Bot D8   18089 3 5.120 2.500 .896 .880 .672
  M27 x 2 1.0630 x 12.70 4 Plug D7   18085 3 5.120 2.500 .896 .880 .672
  M27 x 2 1.0630 x 12.70 4 Bot D7   18086 3 5.120 2.500 .896 .880 .672
Go to the top of this page.
Tap Size
& TPI
Inch
Equivalent
No. of Flutes Chamfer Type P.D. Limits Surface Treat EDP No Pkg Qty Overall Length
A
Thread Length
B
Shank Dia.
C
Square Length
D
Square Size
E
  M30 x 3.5 1.1812 x 7.26 4 Plug D9   18094 1 5.440 2.560 1.021 1.000 .766
  M30 x 3.5 1.1812 x 7.26 4 Bot D9   18095 1 5.440 2.560 1.021 1.000 .766
  M30 x 3.5 1.1812 x 7.26 4 Bot D9 33 15409 1 5.440 2.560 1.021 1.000 .766
  M30 x 2 1.1812 x 12.70 4 Plug D7   18091 1 5.440 2.560 1.021 1.000 .766
  M30 x 2 1.1812 x 12.70 4 Bot D7   18092 1 5.440 2.560 1.021 1.000 .766
  M33 x 3.5 1.2993 x 7.26 4 Plug D9   18100 1 5.750 2.560 1.108 1.060 .831
  M33 x 3.5 1.2993 x 7.26 4 Bot D9   18101 1 5.750 2.560 1.108 1.060 .831
  M33 x 2 1.2993 x 12.70 4 Plug D7   18097 1 5.750 2.560 1.108 1.060 .831
  M33 x 2 1.2993 x 12.70 4 Bot D7   18098 1 5.750 2.560 1.108 1.060 .831
  M36 x 4 1.4174 x 6.35 4 Plug D9   18106 1 6.060 3.000 1.233 1.120 .925
  M36 x 4 1.4174 x 6.35 4 Bot D9   18107 1 6.060 3.000 1.233 1.120 .92  5
  M36 x 3 1.4174 x 8.47 4 Plug D8   18103 1 6.060 3.000 1.233 1.120 .925 
  M36 x 3 1.4174 x 8.47 4 Bot D8   18104 1 6.060 3.000 1.233 1.120 .925
  M39 x 4 1.5355 x 6.35 6 Plug D9   18112 1 6.690 3.190 1.305 1.120 .979
  M39 x 4 1.5355 x 6.35 6 Bot D9   18113 1 6.690 3.190 1.305 1.120 .979
  M39 x 3 1.5355 x 8.47 6 Plug D8   18109 1 6.690 3.190 1.305 1.120 .979
  M39 x 3 1.5355 x 8.47 6 Bot D8   18110 1 6.690 3.190 1.305 1.120 .979
Go to the top of this page.