ROLLER CONE BITS Standart (STD)

Bit Size Range: 59.0 mm to 490.0 mm (2 21/64″ to 19 19/64″)

Bit Configurations: One-cone, double-cone, and tricone roller bits

Cutting Elements: Steel teeth or tungsten carbide inserts

Bearing Type: Open roller or journal bearing depending on bit size

Connecting Thread (API): N-Rod, Pin 2 3/8 Reg, Pin 2 7/8 Reg, Pin 3 1/2 Reg, Pin 4 1/2 Reg, Pin 4 1/2 FH, Pin 6 5/8 Reg, and Box 6 5/8 FH

Gross Weight: max. 310.0 kg