5 1/2″ DHA417GT
Specifications
Size: 5 1/2″ (139.7 mm)
IADC: 417
Bearing and Seal: Journal Bearing / O-Ring Rubber seal
No. of Rows: 3-3-3
Inner Row: Chisel / 37 pcs
Gauge Row: Wedge / 33 pcs
Trimming Row: Wedge / 16 pcs
Bevel Row: Flat / 33 pcs
Pin Connection: 3 1/2 REG
Bit Weight (KG): 14.5
Weight on Bit (KN/mm): 0.35 ~ 0.90
ROP (rpm): 70 ~ 140