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Besly
Popular Special
Spiral Flute Taps

High Speed Steel
Ground Thread

Spiral Flute
2 and 3 Flute


Metric Sizes:
M3 | M3.5 | M4 | M4.5 | M5 | M6 | M8 | M10 | M12

Catalog Number: 4133

Besly Standard Spiral Pointed Taps

Besly Popular Special Spiral Flute Taps are designed for easy removal of chips from blind holes and for tapping holes in which a keyway or opening must be bridged by the tap lands. These taps have 30° spiral flutes.

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 Flute
Taps
Catl No. 4133
Metric Sizes
 
   
  Besly Surface Treatments Besly Drill Selector
Tap Size
& TPI
Inch
Equivalent
No. of Flutes Chamfer Type P.D. Limits Pkg
Qty*
EDP No 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   18565 1-15/16 5/8 .141 3/16 .110
  M3 x 0.5 .1182 x 50.80 2 Bot D3   19566 1-15/16 5/8 .141 3/16 .110
  M3.5 x 0.6 .1378 x 42.33 2 Plug D4   19568 2 11/16 .141 3/16 .110
  M3.5 x 0.6 .1378 x 42.33 2 Bot D4   19569 2 11/16 .141 3/16 .110
  M4 x 0.7 .1575 x 36.29 2 Plug D4   19570 2-1/8 3/4 .168 1/4 .131
  M4 x 0.7 .1575 x 36.29 2 Bot D4   19571 2-1/8 3/4 .168 1/4 .131
  M4.5 x 0.75 .1772 x 33.87 2 Plug D4   19572 2-3/8 7/8 .194 1/4 .152
  M4.5 x 0.75 .1772 x 33.87 2 Bot D4   19573 2-3/8 7/8 .194 1/4 .152
  M5 x 0.8 .1969 x 31.75 2 Plug D4   19574 2-2/8 7/8 .194 1/4 .152
  M5 x 0.8 .1969 x 31.75 2 Bot D4   19575 2-2/8 7/8 .194 1/4 .152
  M6 x 1 .2363 x 25.40 3 Plug D5   19576 2-1/2 1 .255 5/16 .191
  M6 x 1 .2363 x 25.40 3 Bot D5   19577 2-1/2 1 .255 5/16 .191
  M8 x 1.25 .3150 x 20.32 3 Plug D5   19578 2-23/32 1-1/8 .318 3/8 .238
  M8 x 1.25 .3150 x 20.32 3 Bot D5   19579 2-23-32 1-1/8 .318 3/8 .238
  M8 x 1 .3150 x 25.40 3 Plug D5   19581 2-23/32 1--1/8 .318 3/8 .238
  M8 x 1 .3150 x 25.40 3 Bot D5   19582 2-23/32 1-1/8 .318 3/8 .238
  M10 x 1.5 .3937 x 16.93 3 Plug D6   19585 2-15/16 1-1/4 .381 7/16 .286
  M10 x 1.5 .3937 x 16.93 3 Bot D6   19586 2-15/16 1-1/4 .381 7/16 .286
  M10 x 1.25 .3937 x 20.32 3 Plug D5   19588 2-15/16 1-1/4 .381 7/16 .286
  M10 x 1.25 .3937 x 20.32 3 Bot D5   19589 2-15/16 1-1/4 .381 7/16 .286
  M12 x 1.75 .4725 x 14.51 3 Plug D6   19590 3-3/8 1-21/32 .367 7/16 .275
  M12 x 1.75 .4725 x 14.51 3 Bot D6   19591 3-3/8 1-21/32 .367 7/16 .275
  M12 x 1.25 .4725 x 20.32 3 Plug D5   19593 3-3/8 1-21/32 .367 7/16 .275
  M12 x 1.25 .4725 x 20.32 3 Bot D5   19594 3-3/8 1-21/32 .367 7/16 .275
 * No standard package quantity. Price determined by quantity ordered. Go to the top of this page.