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Besly Popular Special Combination Tap/Drill

High Speed Steel
Ground Thread
RH Threads

Spiral Flute
2 and 3 Flute

Machine Screw, Fractional
and Metric Sizes

Machine Screw Sizes:
6 | 8 | 10

Fractional Sizes:
1/4 | 5/16 | 3/8

Metric Sizes:
M3.5 | M4 | M4.5 | M6 | M7

 Catalog Number: COMB

  Besly Popular Special Combination Tap/Drill
Besly Popular Special Combination Tap/Drills require only one setup for drilling and tapping in a single operation. The drill point is designed to reduce drilling time on high production jobs. These tools are suitable for multi-spindle applications and can drill and tap thru-holes in material with a thickness up to 1-1/2 times the diameter of the tap. The self-centering helical point helps eliminate the need for spot or center drilling and holds tight tolerances.

Please call 800 435-2965 for current net pricing.

Note: Click the EDP No to check availability.
                 
  Besly Popular Special
Combination Tap/Drill
Catl No. COMB
Machine Screw Sizes		  
 
Besly Surface Treatments Besly Drill Selector
Tap Size
& TPI		 No. of Flutes Cham Type P.D. Limits Pkg
Qty*		 EDP No Basic Pitch Dia. Overall Length Thread Length Drill Length Drill Dia. Shank Dia. Square Length Square Size
6-32 2 Plug H3   19335 .1177 2 13/32 1/4 .112 .141 3/16 .110
8-32 3 Plug H3   19358 .1437 2-1/8 15/32 9/32 .138 .168 1/4 .131
10-24 3 Plug H3   19360 .1629 2-3/8 9/16 9/32 .155 .194 1/4 .152
10-32 3 Plug H3   19361 .1697 2-3/8 1/2 9/32 .164 .194 1/4 .152
 * No standard package quantity. Price determined by quantity ordered. Go to the top of this page.
        
  Besly Popular Special
Combination Tap/Drill
Catl No. COMB
Fractional Sizes		  
 
Besly Surface Treatments Besly Drill Selector
Tap Size
& TPI		 No. of Flutes Cham Type P.D. Limits Pkg
Qty*		 EDP No Basic Pitch Dia. Overall Length Thread Length Drill Length Drill Dia. Shank Dia. Square Length Square Size
1/4-20 3 Plug H3   19362 .2175 2-1/2 23/32 7/16 .208 .255 5/16 .191
1/4-28 3 Plug H3   19363 .2268 2-1/2 21/32 7/16 .220 .255 5/16 .191
5/16-18 3 Plug H3   19364 .2764 2-23/32 27/32 9/16 .266 .318 3/8 .238
5/16-24 3 Plug H3   19366 .2854 2-23/32 13/16 9/16 .277 .318 3/8 .238
3/8-16 3 Plug H3   19367 .3344 2-15/16 1 21/32 .322 .381 7/16 .286
3/8-24 3 Plug H3   19370 .3479 2-15/16 15/16 21/32 .340 .381 7/16 .286
 * No standard package quantity. Price determined by quantity ordered. Go to the top of this page.
   
  Besly Popular Special
Combination Tap/Drill
Catl No. COMB
Metric Sizes		  
 
Besly Surface Treatments Besly Drill Selector
Tap Size
& TPI		 Inch Equivalent No. of Flutes Cham Type Pitch Dia. Limits Pkg
Qty*		 EDP No Overall Length Thread Length Drill Length Drill Dia. Shank Dia. Square Length Square Size
M3.5 x 0.6 .1182 x 50.80 3 Plug D4   19371 2 3/8 9/32 .120 .141 .190 .110
M4 x 0.7 .1575 x 36.29 3 Plug D4   19372 2-1/8 15/32 11/32 .134 .168 .250 .131
M4.5 x 0.75 .1969 x 31.75 3 Plug D4   19373 2-3/8 17/32 3/8 .152 .194 .250 .152
M6 x 1 .2363 x 25.40 3 Plug D5   19374 2-1/2 9/16 7/16 .203 .255 .310 .191
M7 x 1 .3150 x 2032 3 Plug D5   19375 2-23/32 5/8 1/2 .242 .318 .380 .238
 * No standard package quantity. Price determined by quantity ordered. Go to the top of this page.

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