Drilling bits and tools

63.5 mm2 1/2″

63.5 mm (2 1/2") Tricone Bit with Milled Steel Teeth, open bearing, IADC 231, N-ROD API Reg — NRBTricone Bit with Milled Steel Teeth

IADC 231 · Open bearing

NRB

92.1 mm3 5/8″

92.1 mm (3 5/8") Tricone Bit with Milled Steel Teeth, open bearing, IADC 211C, 2 3/8 API Reg — UDTTricone Bit with Milled Steel Teeth

IADC 211C · Open bearing

UDT

93 mm3.66″

93 mm (3.66") Tricone Bit with Milled Steel Teeth, open bearing, IADC 311C, Z50 API Reg — UDTTricone Bit with Milled Steel Teeth

IADC 311C · Open bearing

UDT

95 mm3 3/4″

95 mm (3 3/4") PDC Drag Bit (3 and 4 blades) 4 blades, 2 3/8 API Reg — ProkarPDC Drag Bit (3 and 4 blades) · 4×

2 3/8 API Reg

Prokar

95.3 mm3 3/4″

95.3 mm (3 3/4") Tricone Bit with Milled Steel Teeth, open bearing, IADC 321, 2 3/8 API Reg — DATCTricone Bit with Milled Steel Teeth

IADC 321 · Open bearing

DATC

98.4 mm3 7/8″

98.4 mm (3 7/8") Tricone Bit with Milled Steel Teeth, open bearing, IADC 211, 2 3/8 API Reg — UDTTricone Bit with Milled Steel Teeth

IADC 211 · Open bearing

UDT

98.4 mm3 7/8″

98.4 mm (3 7/8") Tricone Bit with Milled Steel Teeth, open bearing, IADC 321, 2 3/8 API Reg — DATCTricone Bit with Milled Steel Teeth

IADC 321 · Open bearing

DATC

98.4 mm3 7/8″

98.4 mm (3 7/8") Tricone Bit with Carbide Inserts (TCI), open bearing, IADC 521, 2 3/8 API Reg — UBMTricone Bit with Carbide Inserts (TCI)

IADC 521 · Open bearing

UBM

101.6 mm4″

101.6 mm (4") Drag Bit, 2 3/8 API Reg — RockpeckerDrag Bit

2 3/8 API Reg

Rockpecker

101.6 mm4″

101.6 mm (4") Tricone Bit with Milled Steel Teeth, open bearing, IADC 213, 2 3/8 API Reg — NRBTricone Bit with Milled Steel Teeth

IADC 213 · Open bearing

NRB

101.6 mm4″

101.6 mm (4") Tricone Bit with Milled Steel Teeth, open bearing, IADC 211, 2 3/8 API Reg — KLRTricone Bit with Milled Steel Teeth

IADC 211 · Open bearing

KLR

101.6 mm4″

101.6 mm (4") Tricone Bit with Milled Steel Teeth, open bearing, IADC 231, 2 3/8 API Reg — DATCTricone Bit with Milled Steel Teeth

IADC 231 · Open bearing

DATC

104.8 mm4 1/8″

104.8 mm (4 1/8") Tricone Bit with Milled Steel Teeth, open bearing, IADC 211, 2 3/8 API Reg — EpirocTricone Bit with Milled Steel Teeth

IADC 211 · Open bearing

Epiroc

104.8 mm4 1/8″

104.8 mm (4 1/8") Tricone Bit with Milled Steel Teeth, open bearing, IADC 211, 2 3/8 API Reg — NRBTricone Bit with Milled Steel Teeth

IADC 211 · Open bearing

NRB

104.8 mm4 1/8″

104.8 mm (4 1/8") Tricone Bit with Carbide Inserts (TCI), open bearing, IADC 523, 2 3/8 API Reg — UBMTricone Bit with Carbide Inserts (TCI)

IADC 523 · Open bearing

UBM

108.4 mm4.27″

108.4 mm (4.27") Tricone Bit with Milled Steel Teeth, open bearing, IADC 211, 2 3/8 API Reg — KLRTricone Bit with Milled Steel Teeth

IADC 211 · Open bearing

KLR

110 mm4.33″

110 mm (4.33") PDC Drag Bit (3 and 4 blades) 3 blades, Z50 API RegPDC Drag Bit (3 and 4 blades) · 3×

Z50 API Reg

110 mm4.33″

110 mm (4.33") PDC Drag Bit (3 and 4 blades) 4 blades, Z50 API RegPDC Drag Bit (3 and 4 blades) · 4×

Z50 API Reg

114.3 mm4 1/2″

114.3 mm (4 1/2") Tricone Bit with Milled Steel Teeth, open bearing, IADC 211, 2 3/8 API Reg — UDTTricone Bit with Milled Steel Teeth

IADC 211 · Open bearing

UDT

114.3 mm4 1/2″

114.3 mm (4 1/2") Tricone Bit with Carbide Inserts (TCI), open bearing, IADC 733, 2 3/8 API Reg — GlinikTricone Bit with Carbide Inserts (TCI)

IADC 733 · Open bearing

Glinik

114.3 mm4 1/2″

114.3 mm (4 1/2") Tricone Bit with Milled Steel Teeth, open bearing, IADC 211, 2 3/8 API Reg — DATCTricone Bit with Milled Steel Teeth

IADC 211 · Open bearing

DATC

114.3 mm4 1/2″

114.3 mm (4 1/2") Tricone Bit with Milled Steel Teeth, open bearing, IADC 211, 2 3/8 API Reg — G-ROCTricone Bit with Milled Steel Teeth

IADC 211 · Open bearing

G-ROC

114.3 mm4 1/2″

114.3 mm (4 1/2") PDC Drag Bit (3 and 4 blades) 4 blades, 2 3/8 API Reg — ProkarPDC Drag Bit (3 and 4 blades) · 4×

2 3/8 API Reg

Prokar

114.3 mm4 1/2″

114.3 mm (4 1/2") Drag Bit, 2 3/8 API Reg — ProkarDrag Bit

2 3/8 API Reg

Prokar