Rock Augers
These ground breaking rock augers are engineered to meet the increasing demand of today’s high powered hydraulic drilling rigs. With optimal cutting structures you gain fast penetration rates through consolidated or fractured rock. Add wear protection to increase the life of your auger!
What can be modified?
The following modifications can be made to all augers: Flighting Thickness |Multiple Flights |Flighting Pitch |Overall Length (OA L) | Steel Grade | Hardening | Pilot | Teeth & Holders | Tooth Angles | Kelly Box and Stem.
Commonly Requested Diameters: 16” – 144” *
Cut: DC/DF, DC/SF, SC/SF, TC/TF
Kelly boxes: All boxes made to customer specifications
Center Shaft: 4” OD -12” OD
➤ Solid shaft available in some sizes
Flight: 1″ – 2″ thickness available
➤ All flight ID is beveled for better weld penetration
➤ Laminate flight on all augers 30”
or larger
Wear Protection: Wear Pads
➤ 2″ x 3″ x ½” (39302)
*Smaller diameters available based on Kelly box size / custom sizes greater than 144*
Wear Items
.990 Rock Series Wear Parts:
.990 Standard (30122)
.990 Dragon’s Tooth® (30145)
.990 Tri-holder (32042)
.990 Pilot 2½” Square (40205)
38mm Rock Series Wear Parts:
B47K19LK80-H (30182)
38mm Dragon’s Tooth® (30188)
38mm Tri-holder* (32064)
RP-4 Machined Pilot (40285)
*All .990 and 38mm rock augers are manufactured with Tri-holders.
**Smaller conical teeth available upon request.


