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Besly
Popular Special
Spiral Pointed
Oversize Taps

High Speed Steel
Ground Thread

Spiral Pointed
2 Flute


Machine Screw Sizes:
2 | 4

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

Also available...

Standard Sizes: Catl No. 4127

Catalog Number: 4127

Besly Special Purpose Straight Flute Oversize Tap

These Besly Popular Special Taps are slightly oversize for production tapping of through holes which are to be plated.

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
Oversize
Taps
Catl No. 4127
Machine Screw Sizes
 
   
  Besly Surface Treatments Besly Drill Selector
Tap Size
& TPI
No. of Flutes Chamfer Type P.D. Limits Pkg
Qty*
EDP No Basic Pitch Dia. Overall Length
A
Thread Length
B
Shank Dia.
C
Square Length
D
Square Size
E
2-56 2 Plug H7   11197 .0744 1-3/4 7/16 .141 3/16 .110
4-40 2 Plug H7   11196 .0958 1-7/8 9/16 .141 3/16 .110
 * No standard package quantity. Price determined by quantity ordered. Go to the top of this page.
   
All dimensions are in inches.
  Besly Popular Special
Spiral Pointed
Oversize
Taps
Catl No. 4127
Fractional Sizes
 
   
  Besly Surface Treatments Besly Drill Selector
Tap Size
& TPI
No. of Flutes Chamfer Type P.D. Limits Pkg
Qty*
EDP No Basic Pitch Dia. Overall Length
A
Thread Length
B
Shank Dia.
C
Square Length
D
Square Size
E
1/4-20 2 Plug H7   15653 .2175 2-1/2 1 .255 5/16 .191
1/4-28 2 Plug H7   15655 .2268 2-1/2 1 .255 5/16 .191
5/16-18 2 Plug H7   19165 .2764 2-23/32 1-1/8 .318 3/8 .238
3/8-16 3 Plug H7   19195 .3344 2-15/16 1-1/4 .381 7/16 .286
3/8-24 3 Plug H7   19166 .3479 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.