Railhead Housings
For all major brands of HDD drill rigs
Century Products handles Railhead™ Rock Drilling Bits and Reamers. Railhead™ is a leading manufacturer in the HDD tooling industry.
Features:
- Handle all major brands of transmitters, side-load acceptable
- Tail pieces thread to the back of housings for connections to any HDD threads
- Sizes for all rigs up through 120,000 lbs.
| Railhead™ Housings & Drill Heads | ||
| Description |
Size
|
Part No.
|
| Incredibit® Sonde Housing |
3″
|
4-1830
|
| Incredibit® Sonde Housing |
3 1/2″
|
4-1860
|
| Incredibit® Sonde Housing |
4 1/8″
|
4-1850
|
| Incredibit® Sonde Housing |
5″
|
4-1880
|
| Standard Incredibit® |
2 3/4″
|
4-1503
|
| Standard Incredibit® |
3″
|
4-1526
|
| Standard Incredibit® |
3 1/2″
|
4-1554
|
| Standard Incredibit® |
4 1/8″
|
4-1562
|
| Standard Incredibit® |
5″
|
4-1581
|
| Incredibit® 1503 Teeth |
General
|
4-5013
|
| Incredibit® 1526 Teeth |
Hard Rock
|
4-5019
|
| Incredibit® 1526 & 1528 Teeth |
General
|
4-5021
|
| Incredibit® 1554 & 1555 Teeth |
General
|
4-5022
|
| Incredibit® 1562 Teeth |
Hard Rock
|
4-5023
|
| Incredibit® 1554 & 1555 Teeth |
Hard Rock
|
4-5026
|
| Incredibit® 1554 Teeth |
Hard Rock
|
4-5030
|
| Incredibit® 1581 Teeth |
General
|
4-5032
|
Incredibit® Drill Heads
For boring and steering through tough, rocky conditions

Features:
- Replaceable teeth
- Standard Incredibit® for boring in soft to medium rock formations
- Aggressive Incredibit® for easier boring in harder rock formations
Also see Railhead™ EXTReam Rock Reamer
