DESCRIPTION |
FRACTIONAL |
METRIC |
AIRCRAFT COUNTERBORES |
|
|
3 Flutes (Similar to Craig 850 series) | 522 | |
STRAIGHT SHANK COUNTERBORES |
|
|
4 Flutes | 512 | 512 |
3 - 4 Flutes | 514 | 514 |
3 - 4 Flutes - For Steels | 510 | 510 |
TAPER SHANK COUNTERBORES |
|
|
4 Flutes | 518 | 518 |
3 - 4 Flutes | 516 | 516 |
3 - 4 Flutes - For Steels | 511 | 511 |
STUB LENGTH COUNTERBORES |
|
|
Pin Drive - For Non-Ferrous & Cast Irons | 573 | |
Pin Drive - For Steels | 574 | |
Stub Taper - For Non-Ferrous & Cast Irons | 575 | |
Stub Taper - For Steels | 576 | |
Radial Drive - For Non-Ferrous & Cast Irons | 577 | |
Radial Drive - For Steels | 578 | |
CAPSCREW COUNTERBORES |
|
|
Straight Shank - For Non-Ferrous & Cast Iron | 513 | 513 |
Straight Shank - For Steels | 515 | 515 |
PILOTS COUNTERBORES |
|
|
Short Shank | 500 | |