NW6R Drag Reamer – Heavy Duty
The NW6R Drag Reamer (Holeopener) is designed to fit between an NW6R Connector and an NW6R Drag Bit Head. The NW6R Drag Reamer can be used with any size NW6R Head and is available with 3 or 4 blades. The Heavy Duty Reamer has 1″ thick blades with 1/4″ carbide inserts. Other shapes and sizes […]
Forged Step Drag Bits – 3 Wing – Pin
Forged Step Drag Bits – 3 Wing – Pin Description Part # Lbs. Kg 4 Thd N Rod Pin 2 3/4″ (70mm) Step Drag Bit, 4 Thd N Rod Pin DB234S4N – – 2 7/8″ (73mm) Step Drag Bit, 4 Thd N Rod Pin DB278S4N – – 3″ (76mm) Step Drag Bit, 4 Thd N […]
Forged Chevron Drag Bits – 3 Wing
Forged Chevron Drag Bits – 3 Wing Description Part # Lbs. Kg AW Pin 1 7/8″ (48mm) Chevron Drag Bit, AW Pin DB178CAWP 2 0.9 2″ (51mm) Chevron Drag Bit, AW Pin DB200CAWP 2 0.9 2 1/8″ (54mm) Chevron Drag Bit, AW Pin DB218CAWP 2 0.9 2 1/4″ (57mm) Chevron Drag Bit, AW Pin DB214CAWP […]
Drag Bit Blades – Step Type for NW6R and W6R
Drag Bit Blades – Step Type for NW6R and W6R Description Part # Lbs. Kg Standard Duty 3/4″ Thick Weld-on replacement blades for NW6R and W6R Step Type Drag Bits are made with 3/4″ Steel Plate and 3/16″ Carbide. Other shapes and styles are available. *5 1/2″ – 12 1/4″ Inserted Wings fit 3 1/2″ […]
NW6R Chevron Drag Bits – 3 Wing – Heavy Duty
NW6R Chevron drag bits are heavy duty with 1″ thick blades and 1/4″ carbide. The Chevron (Apex) style drag bit does not penetrate as fast as the step type, however it will cut harder formations such as medium soft to medium hard sand rock and shale. Description Part # Connection Lbs. Kg NW6R Chevron – […]
D6R Drag Bits
Mills Machine manufactures an extensive line of D6R bolt-on tooth drag bits that can be made for a specific hole size or can be enlarged with bolt on reamer blades (see example below). These bits start at 12 1/4″ diameter and can be made as large as you need. The basic bit is designed for […]