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Besly
Popular Special
Spiral Pointed Taps

High Speed Steel
Ground Thread

Straight Flute
2 and 3 Flute


Metric Sizes:
M1.6 | M1.8 | M2 | M2.2 | M2.5 | M3 | M3.5 | M4 | M4.5 | M5 | M6 | M7 | M8 | M10 | M11 | M12 | M14 | M16 | M20 | M24

Also available...

Standard Sizes: 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 Popular Special
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 Special
Features
Pkg
Qty*
EDP No 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     18506 1-5/8 5/16 .141 3/16 .110
  M1.8 x 0.35 .0709 x 72.57 2 Plug D3     18507 1-11/16 3/8 .141 3/16 .110
  M2 x 0.4 .0788 x 63.50 2 Plug D3     18508 1-3/4 7/16 .141 3/16 .110
  M2.2 x 0.45 .0867 x 56.44 2 Plug D3     18509 1-3/4 7/16 .141 3/16 .110
  M2.5 x 0.45 .0985 x 56.44 2 Plug D1     18510 1-13/16 1/2 .141 3/16 .110
  M2.5 x 0.45 .0985 x 56.44 2 Plug D3     18511 1-13/16 1/2 .141 3/16 .110
  M3 x 0.5 .1182 x 50.80 2 Plug D1     18512 1-15/16 5/8 .141 3/16 .110
  M3 x 0.5 .1182 x 50.80 2 Plug D5     19567 1-15/16 5/8 .141 3/16 .110
  M3 x 0.5 .1182 x 50.80 2 Plug D7     18136 1-15/16 5/8 .141 3/16 .110
  M3.5 x 0.6 .1378 x 42.33 2 Plug D1     18513 2 11/16 .141 3/16 .110
  M3.5 x 0.6 .1378 x 42.33 2 Plug D4 6" ext   18514 6 11/16 .141 3/16 .110
  M3.5 x 0.6 .1378 x 42.33 2 Plug D11 +.005   18515 2 11/16 .141 3/16 .110
  M4 x 0.7 .1575 x 36.29 2 Plug D2     18516 2-1/8 3/4 .168 1/4 .131
  M4 x 0.7 .1575 x 36.29 2 Plug D4 6" ext   18517 6 3/4 .168 1/4 .131
  M4 x 0.7 .1575 x 36.29 2 Plug D7     17696 2-1/8 3/4 .168 1/4 .131
  M4 x 0.7 .1575 x 36.29 2 Plug D11 +.005   18518 2-1/8 3/4 .168 1/4 .131
  M4.5 x 0.75 .1772 x 33.87 2 Plug D2     18519 2-3/8 7/8 .194 1/4 .152
  M4.5 x 0.75 .1772 x 33.87 2 Plug D4 6" ext   18520 6 7/8 .194 1/4 .152
  M4.5 x 0.75 .1772 x 33.87 2 Plug D11 +.005   18521 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
Inch
Equivalent
No. of Flutes Chamfer Type P.D. Limits Special
Features
Pkg
Qty*
EDP No Overall Length
A
Thread Length
B
Shank Dia.
C
Square Length
D
Square Size
E
  M5 x 0.8 .1969 x 31.75 2 Plug D2   18522 2-3/8 7/8 .194 1/4 .152
  M5 x 0.8 .1969 x 31.75 2 Plug D4 6" ext   18523 6 7/8 .194 1/4 .152
  M5 x 0.8 .1969 x 31.75 2 Plug D7   18137 2-3/8 7/8 .194 1/4 .152
  M5 x 0.8 .1969 x 31.75 2 Plug D11 +.005   18524 2-3/8 7/8 .194 1/4 .152
  M5 x 0.5 .1969 x 50.80 2 Plug D3   18562 2-3/8 7/8 .194 1/4 .152
  M6 x 1 .2363 x 25.40 2 Plug D3   18525 2-1/2 1 .255 5/16 .191
  M6 x 1 .2363 x 25.40 2 Plug D5 6" ext   18526 6 1 .255 5/16 .191
  M6 x 1 .2363 x 25.40 2 Plug D11 +.005   18527 2-1/2 1 .255 5/16 .191
  M6 x 0.75 .2363 x 33.87 2 Plug D3     18528 2-1/2 1 .255 5/16 .191
  M7 x 1 .2756 x 25.40 2 Plug D11 +.005   18530 2-23/32 1-1/8 .318 3/8 .238
  M8 x 1.25 .3150 x 20.32 2 Plug D3   18531 2-23/32 1-1/8 .318 3/8 .238
  M8 x 1.25 .3150 x 20.32 2 Plug D5 6" ext   19580 6 1-1/8 .318 3/8 .238
  M8 x 1.25 .3150 x 20.32 2 Plug D11 +.005   18532 2-23/32 1-1/8 .318 3/8 .238
  M8 x 1 .3150 x 25.40 2 Plug D3   18533 2-23/32 1-1/8 .318 3/8 .238
  M8 x 1 .3150 x 25.40 2 Plug D11 +.005   18534 2-23/32 1-1/8 .318 3/8 .238
  M10 x 1.5 .3937 x 16.93 3 Plug D3   18535 2-15/16 1-1/4 .381 7/16 .286
  M10 x 1.5 .3937 x 16.93 3 Plug D6 6" ext   19587 6 1-1/4 .381 7/16 .286
  M10 x 1.5 .3937 x 16.93 3 Plug D11 +.005   18536 2-15/16 1-1/4 .381 7/16 .286
  M10 x 1.25 .3937 x 20.32 3 Plug D3   18537 2-15/16 1-1/4 .381 7/16 .286
  M10 x 1.25 .3937 x 20.32 3 Plug D11 +.005   18108 2-15/16 1-1/4 .381 7/16 .286
  M10 x 1 .3937 x 25.40 3 Plug D5   18142 2-15/16 1-1/4 .381 7/16 .286
 * No standard package quantity. Price determined by quantity ordered. Go to the top of this page.
Tap Size
& TPI
Inch
Equivalent
No. of Flutes Chamfer Type P.D. Limits Special
Features
Pkg
Qty*
EDP No Overall Length
A
Thread Length
B
Shank Dia.
C
Square Length
D
Square Size
E
  M11 x 1.5 .4331 x 16.93 3 Plug D6     18539 3-3/16 1-1/2 .323 7/16 .242
  M12 x 1.75 .4725 x 14.51 3 Plug D3     18540 3-3/8 1-21/32 .367 7/16 .275
  M12 x 1.75 .4725 x 14.51 3 Plug D6 6" ext   18134 6 1-21/32 .367 7/16 .275
  M12 x 1.75 .4725 x 14.51 3 Plug D11 +.005   18541 3-3/8 1-21/32 .367 7/16 .275
  M12 x 1.5 .4725 x 16.93 3 Plug D6     19592 3-3/8 1-21/32 .367 7/16 .275
  M12 x 1.25 .4725 x 20.32 3 Plug D3     18542 3-3/8 1-21/32 .367 7/16 .275
  M12 x 1 .4725 x 25.40 3 Plug D5     18135 3-3/8 1-21/32 .367 7/16 .275
  M14 x 2 .5512 x 12.70 3 Plug D3     18544 3-19/32 1-21/32 .429 1/2 .322
  M14 x 1.5 .5512 x 16.93 3 Plug D3     18543 3-19/32 1-21/32 .429 1/2 .322
  M16 x 2 .6300 x 12.70 3 Plug D4     18548 3-13/16 1-13/16 .480 9/16 .360
  M16 x 2 .6300 x 12.70 3 Plug D7 6" ext   19585 6 1-13/16 .480 9/16 .360
  M16 x 2 .6300 x 12.70 3 Plug D11 +.005   18549 3-13/16 1-13/16 .480 9/16 .360
  M16 x 1.5 .6300 x 16.93 3 Plug D3     18550 3-13/16 1-13/16 .480 9/16 .360
  M20 x 2.5 .7875 x 10.16 3 Plug D7     19596 4-15/32 2 .652 11/16 .489
  M24 x 3 .9449 x 8.47 3 Plug D8     19597 4-29/32 2-7/32 .760 3/4 .570
 * No standard package quantity. Price determined by quantity ordered. Go to the top of this page.