Wide-spaced serrated turbo style design for less surface-to-surface contact and speed.
Speciifcation
HY38Z - General purpose, cured concrete and hard materials, very fast coring and long life
| Size | HY38Z Cat # | 
| 2" | 108623 | 
| 2-1/2" | 108624 | 
| 3" | 108626 | 
| 3-1/2" | 108628 | 
| 4" | 108629 | 
| 4-1/2" | 108630 | 
| 5" | 108631 | 
| 6" | 108632 | 
| 8" | 108633 | 
| 10" | 108634 | 
| 12" | 108635 | 
Hyper Core Bore bits have a 13" core length.