Lock Nut

Locking Nut M6MF M10 8.8

Atlas Copco

• Cobra PROe Gas Breaker S/N BES037888 - Current 2021
• Cobra TTe TTe AWD Tie Tamper SN BES037882-Current 2020

Chicago Pneumatic

• Red Hawk Road Gas Breaker S/N APP501045-Current 2021
• Red Hawk Rail Gas Tie Tamper 2021 S/N BES047029-Current

Discontinued Models

• AC Cobra PROi Gas Breaker - S/N BES611613-Current 2020
• AC Cobra Pro Gas Breaker 2020 s/n BES000001-BES037887
• AC Cobra TT, TT/AWD Gas Breaker BES000001 - BES037881
• AC Cobra MK1 Gas Breaker - S/N KAL 003300 - 2021

Also see