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Besly
Counterbores
for Socket Head
Cap Screws

High Speed Steel
Straight Shank

Machine Screw Sizes:
2 | 3 | 4 | 5 | 6 | 8 | 10 | 12

Catalog Number: 968

Besly Counterbores for Socket Head Cap Screws

Besly Counterbores are of the solid two lipped type, designed for high production and long life.

With only two cutting lips they are easily sharpened. Their spiral flutes give ample clearance and strength. Cutting like a twist drill, they eliminate chatter.

Please call 800 435-2965 for current net pricing.

Note: Click the EDP No to check availability.

 
All dimensions are in inches.
  Besly Counterbores
for Socket Head
Cap Screws

Catl No. 968

Machine Screw Sizes
 
 
   
Machine
Screw
Size
EDP No Pkg Qty Pilot
Diameter*
A
Cutting
Size
B
Overall
Length
C
Shank
Diameter
D
2 22418 12 .085 .1550 2-1/2 .1875
3 22419 12 .098 .1760 2-1/2 .1875
4 22426 12 .111 .1980 2-5/8 .2500
5 22427 12 .124 .2200 2-5/8 .2500
6 22428 12 .137 .2410 2-5/8 .2500
8 22429 1 2 .163 .2850 2-3/4 .3125
10 22436 12 .189 .3280 2-7/8 .3750
12 22437 12 .215 .3720 3 .3750
*  .001 - .002 under nominal screw size.
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