The Stemlock can be customized for your specific drill rig. The following information would be required to ensure accurate fit.
• Drill manufacturer
• Drill model
• Drill rod diameter
• Spanner-flat size
The Mammoth stemlock is designed and manufactured to secure the drill string during the breakout and makeup process. They serve as a direct replacement for any Atlas Copco / Epiroc drill rig. They can also be installed on other OEM drill rigs to convert from the original design.