Besly Logo Besly Slogan  
Tap Pic  
Taps Dies Drills Reamers End Mills Misc Distributor About Us Home

Besly
Counterbores
for 82° Flat Head
Machine Screws

High Speed Steel
Straight Shank

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

Fractional Sizes:

1/4 | 5/16 | 3/8

Catalog Number: 971

Besly Counterbores for 82 Flat Head Machine Screws

These Besly Counterbores are for 82° flat head machine screws.

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 82
° Flat Head
Machine Screws

Catl No. 971
Machine Screw Sizes
 
 
   
Machine
Screw Size
EDP No Pkg Qty Pilot
Diameter*
A
Cutting
Size
B
Overall
Length
C
Shank
Diameter
D
2 22496 12 .085 .172 2-5/8 .1875
3 22497 12 .098 .199 2-5/8 .2188
4 22498 12 .111 .225 2-5/8 .2500
5 22499 12 .124 .252 2-3/4 .2500
6 22506 12 .137 .279 2-3/4 .2813
8 22507 12 .163 .332 2-7/8 .3125
10 22508 12 .189 .385 3 .3750
12 22509 12 .215 .438 3-1/4 .3750
*  .001 - .002 under nominal screw size.
  Go to the top of the page.
 
All dimensions are in inches.
  Besly Counterbores
for 82
° Flat Head
Machine Screws

Catl No. 971
Fractional Sizes
 
 
   
Fractional
Size
EDP No Pkg Qty Pilot
Diameter*
A
Cutting
Size
B
Overall
Length
C
Shank
Diameter
D
1/4 22516 1 .249 .507 3-1/2 .4375
5/16 22517 1 .311 .636 3-5/8 .5000
3/8 22518 1 .374 .762 3-3/4 .5000
*  .001 - .002 under nominal screw size.
  Go to the top of the page.