Cutting Heads
All Purpose/Dirt Heads
![MBH – All Purpose](https://byrnegroup.com/wp-content/uploads/2019/06/36MBH-4H-AllPurpose-1024x768.jpg)
MBH – All Purpose
- Light Rock
- Cobbles
- Dirt
- Clay mixes
- Maximum material flow
![MBR – Flat Face Dirt](https://byrnegroup.com/wp-content/uploads/2019/06/54MBR-W-FlatFaceDirt-1024x768.jpg)
MBR – Flat Face Dirt
- Dirt or Clay
- Restricts material flow to reduce or prevent voids
- Chipper teeth with carbide tips available for hard soils with cobbles
![MBRS – Open and Close Sand Head](https://byrnegroup.com/wp-content/uploads/2019/07/MBRS-30-1024x769.jpg)
MBRS – Open and Close Sand Head
- Running material or free flowing sands
- Cutting face can open and close to restrict material flow
Rock Cutting Heads
![BMF – Single Row Flat Face](https://byrnegroup.com/wp-content/uploads/2019/06/42MBKF-SingleRow-1024x683.jpg)
BMF – Single Row Flat Face
- Medium to hard rock
- Extra-large, heat treated, jacketed carbide teeth
![BMF – Double Row Flat Face](https://byrnegroup.com/wp-content/uploads/2019/04/54-flat-face-dbl-row-1024x768.jpg)
BMF – Double Row Flat Face
- Medium to hard rock
- Extra-large, heat treated, jacketed carbide teeth
- Extra row of teeth for increased cutting surface action
![MBK – Hard Core X-Mas Tree](https://byrnegroup.com/wp-content/uploads/2019/06/60MBK-XMAS-1024x849.jpg)
MBK – Hard Core X-Mas Tree
- Medium to hard rock
- Angular cutting plane
- Heavily gusseted frame
- Increased number of cutting teeth
Specialty Cutting Heads
![SVH – Active Swivel Head](https://byrnegroup.com/wp-content/uploads/2019/06/GuidedBoreCuttingHeadPS.jpg)
SVH – Active Swivel Head
- “Needle” follows the pilot tube installed by a guided bore machine
- Bearing sealed in an oil bath allows the head to rotate while the needle and tube are stationary
- Multiple types of cutting heads can be used with one main swivel assembly
![Custom](https://byrnegroup.com/wp-content/uploads/2019/04/42in-side-view-custom-flat-hd-rock-1024x768.jpg)
Custom
- Extreme Duty Cutting Head – 6” solid steel base with heat treated XL cutting teeth
- Customer going through a mixed face requested a heavy-duty base to handle the continuous hammer
- Other – Contact us to design a cutting head built for your job requirements
![MRC – Roller Cone Cutting Head](https://byrnegroup.com/wp-content/uploads/2019/04/36-roller-cone-2-8-2017-1024x768.jpg)
MRC – Roller Cone Cutting Head
- For use in hard to extremely hard rock
- Tungsten carbide insert rock bits
- Retractable Head Option – springs allow the cutting head to be pulled back through the casing
Roller Cone Bit Selection
![RollerConeBitSelection](https://byrnegroup.com/wp-content/uploads/2019/06/RollerConeBitSelection.jpg)