2025 Hughes Christensen 8-3/4" ATJ-11 Tri-Cone Bit

Hughes Christensen ATJ-11 Tri-Cone Bit

·       Size: 8-3/4"

·       Type: Chisel-Type TCI Buttons

·       Ideal For:

·  Softer rock formations (MOHS 4 or softer)

·  Examples: Limestone, Dolomite, Calcite, Marble, Chert, Slate, Ect.

Design Features:

·      Chisel shape of TCI buttons removes soils efficiently

·      Perfect for top hole drilling

·      Gauge protection

·      Sealed friction bearing

Connection:

·      4-1/2” API Reg. Pin Up

Manufactured In:

·      Texas, USA

Location: 12 in stock

·      Mifflinburg, PA USA