Description
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″ O.D. shanks; 14 3/4″ and larger fit 4 1/2″ O.D. shanks. | |||
| 5 1/2″ (140mm) Inserted Wing | NW6RIW512S | 2 | 0.9 |
| 5 5/8″ (143mm) Inserted Wing | NW6RIW558S | 2 | 0.9 |
| 5 7/8″ (149mm) Inserted Wing | NW6RIW578S | 2 | 0.9 |
| 6″ (152mm) Inserted Wing | NW6RIW600S | 2 | 0.9 |
| 6 1/8″ (156mm) Inserted Wing | NW6RIW618S | 2.7 | 1.2 |
| 6 1/4″ (159mm) | NW6RIW614S | 2.7 | 1.2 |
| 6 1/2″ (165mm) Inserted Wing | NW6RIW612S | 2.7 | 1.2 |
| 6 3/4″ (171mm) Inserted Wing | NW6RIW634S | 3 | 1.4 |
| 7″ (178mm) Inserted Wing | NW6RIW700S | 3 | 1.4 |
| 7 7/8″ (200mm) Inserted Wing | NW6RIW778S | 3.4 | 1.5 |
| 8 1/2″ (208mm) Inserted Wing | NW6RIW812S | 4.4 | 2.9 |
| 8 3/4″ (222mm) Inserted Wing | NW6RIW834S | 4.4 | 2 |
| 9 7/8″ (251mm) Inserted Wing | NW6RIW978S | 5 | 2.3 |
| 10 5/8″ (270mm) Inserted Wing | NW6RIW1058S | 5.4 | 2.3 |
| 12 1/4″ (311mm) Inserted Wing | NW6RIW1214S | 5.7 | 2.6 |
| 14 3/4″ (375mm) Inserted Wing | NW6RIW1434S | 10 | 4.5 |
 Heavy Duty 1″ Thick | |||
| Weld-on Replacement Blades for Heavy Duty NW6R and W6R Step Type Drag Bits are made with 1″ Steel Plate and 1/4″ carbide. Other shapes and styles are available. *5 1/2″ – 12 1/4″ Inserted Wings fit 3 1/2″ O.D. shanks; 14 3/4″ and larger fit 4 1/2″ O.D. shanks. | |||
| 5 1/2″ (140mm) HD Inserted Wing | NW6RIW512HD | – | – |
| 5 5/8″ (143mm) HD Inserted Wing | NW6RIW558HD | – | – |
| 5 7/8″ (149mm) HD Inserted Wing | NW6RIW578HD | – | – |
| 6″ (152mm) HD Inserted Wing | NW6RIW600HD | – | – |
| 6 1/8″ (156mm) HD Inserted Wing | NW6RIW618HD | – | – |
| 6 1/4″ (159mm) HD Inserted Wing | NW6RIW614HD | – | – |
| 6 1/2″ (165mm) HD Inserted Wing | NW6RIW612HD | – | – |
| 6 3/4″ (171mm) HD Inserted Wing | NW6RIW634HD | – | – |
| 7″ (178mm) HD Inserted Wing | NW6RIW700HD | – | – |
| 7 7/8″ (200mm) HD Inserted Wing | NW6RIW778HD | – | – |
| 8 1/2″ (208mm) HD Inserted Wing | NW6RIW812HD | – | – |
| 8 3/4″ (222mm) HD Inserted Wing | NW6RIW834HD | – | – |
| 9 7/8″ (251mm) HD Inserted Wing | NW6RIW978HD | – | – |
| 10 5/8″ (270mm) HD Inserted Wing | NW6RIW1058HD | – | – |
| 12 1/4″ (311mm) HD Inserted Wing | NW6RIW1214HD | – | – |
| 14 3/4″ (378mm) HD Inserted Wing | NW6RIW1434HD | – | – |
| 17 1/2″ (445mm) HD Inserted Wing | NW6RIW1712HD | – | – |
