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Besly Standard
Spiral Pointed Taps

High Speed Steel
Ground Thread

Straight Flute
2 and 3 Flute


Metric Sizes:
M3 | M3.5 | M4 | M4.5 | M5 |
M6 | M7 | M8 | M10 | M12 |
M14 | M16 | M18


Also available...

Popular Specials: Catl No. 4134

Catalog Number: 4134

Besly Standard Spiral Pointed Taps

Besly Popular Special Spiral Pointed Taps have angular flutes at the front end of the tap to propel the chips ahead of the tap. This feature plus the excellant shearing action of the flute make spiral pointed taps ideal for production tapping of thru holes

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 Pointed
Taps
Catl No. 4134
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
  M3 x 0.5 .1182 x 50.80 2 Plug D3   18115 12 1.940 .620 .141 .190 .110
  M3 x 0.5 .1182 x 50.80 2 Plug D3 TiN 15816 12 1.940 .620 .141 .190 .110
  M3.5 x 0.6 .1378 x 42.33 2 Plug D4   18116 12 2.000 .690 .141 .190 .110
  M4 x 0.7 .1575 x 36.29 2 Plug D4   18117 12 2.000 .690 .141 .190 .110
  M4 x 0.7 .1575 x 36.29 2 Plug D4 33 15410 12 2.120 .750 .168 .250 .131
  M4 x 0.7 .1575 x 36.29 2 Plug D4 TiN 15817 12 2.120 .750 .168 .250 .131
  M4.5 x 0.75 .1772 x 33.87 2 Plug D4   18118 12 2.380 .880 .194 .250 .152
  M5 x 0.8 .1969 x 31.75 2 Plug D4   18119 12 2.380 .880 .194 .250 .152
  M5 x 0.8 .1969 x 31.75 2 Plug D4 33 15411 12 2.380 .880 .194 .250 .152
  M5 x 0.8 .1969 x 31.75 2 Plug D4 TiN 15818 12 2.380 .880 .194 .250 .152
  M6 x 1 .2363 x 25.40 2 Plug D5   18120 12 2.500 1.000 .255 .310 .191
  M6 x 1 .2363 x 25.40 2 Plug D5 33 15412 12 2.500 1.000 .255 .310 .191
  M6 x 1 .2363 x 25.40 2 Plug D5 52 15413 12 2.500 1.000 .255 .310 .191
  M6 x 1 .2363 x 25.40 2 Plug D5 55 15414 12 2.500 1.000 .255 .310 .191
  M6 x 1 .2363 x 25.40 2 Plug D5 TiN 15819 12 2.500 1.000 .255 .310 .191
  M7 x 1 .2756 x 25.40 2 Plug D5   18121 12 2.720 1.120 .318 .380 .238
  M8 x 1.25 .3150 x 20.32 2 Plug D5   18123 12 2.720 1.120 .318 .380 .238
  M8 x 1.25 .3150 x 20.32 2 Plug D5 33 15415 12 2.720 1.120 .318 .380 .238
  M8 x 1.25 .3150 x 20.32 2 Plug D5 52 15416 12 2.720 1.120 .318 .380 .238
  M8 x 1.25 .3150 x 20.32 2 Plug D5 TiN 15826 12 2.720 1.120 .318 .380 .238
  M8 x 1 .3150 x 25.40 2 Plug D5   18122 12 2.720 1.120 .318 .380 .238
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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 3 Plug D6   18125 12 2.940 1.250 .381 .440 .286
  M10 x 1.5 .3937 x 16.93 3 Plug D6 33 15418 12 2.940 1.250 .381 .440 .286
  M10 x 1.5 .3937 x 16.93 3 Plug D6 52 15419 12 2.940 1.250 .381 .440 .286
  M10 x 1.5 .3937 x 16.93 3 Plug D6 TiN 15827 12 2.940 1.250 .381 .440 .286
  M10 x 1.25 .3937 x 20.32 3 Plug D5   18124 12 2.940 1.250 .381 .440 .286
  M10 x 1.25 .3937 x 20.32 3 Plug D5 33 15422 12 2.940 1.250 .381 .440 .286
  M12 x 1.75 .4725 x 14.51 3 Plug D6   18127 12 3.380 1.660 .367 .440 .275
  M12 x 1.75 .4725 x 14.51 3 Plug D6 33 15420 12 3.380 1.660 .367 .440 .275
  M12 x 1.75 .4725 x 14.51 3 Plug D6 52 15421 12 3.380 1.660 .367 .440 .275
  M12 x 1.75 .4725 x 14.51 3 Plug D6 TiN 15828 12 3.380 1.660 .367 .440 .275
  M12 x 1.25 .4725 x 20.32 3 Plug D5   18126 12 3.380 1.660 .367 .440 .275
  M14 x 2 .5512 x 12.70 3 Plug D7   18129 3 3.590 1.660 .429 .500 .322
  M14 x 2 .5512 x 12.70 3 Plug D7 33 15422 3 3.590 1.660 .429 .500 .322
  M14 x 1.5 .5512 x 16.93 3 Plug D6   18128 3 3.590 1.660 .429 .500 .322
  M16 x 2 .6300 x 12.70 3 Plug D7   18131 3 3.810 1.810 .480 .560 .360
  M16 x 2 .6300 x 12.70 3 Plug D7 33 15423 3 3.810 1.810 .480 .560 .360
  M16 x 2 .6300 x 12.70 3 Plug D7 52 15424 3 3.810 1.810 .480 .560 .360
  M16 x 1.5 .6300 x 16.93 3 Plug D6   18130 3 3.810 1.810 .480 .560 .360
  M18 x 2.5 .7087 x 10.16 3 Plug D7   18133 3 4.030 1.810 .542 .620 .406
  M18 x 1.5 .7087 x 16.93 3 Plug D6   18132 3 4.030 1.810 .542 .620 .406
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