Core Drill Bit Extension Rod Adapter with Male and Female Both 1-1/4"-7 UNC

Brand: XINGXIN

Features:

• Extesion Lenghth: 12", Overall length : 14"
• Female 1-1/4" -7 UNC thread to male 1-1/4" -7 UNC thread
• Adopt heat treated industrial grade steel extends lifetime
• Work status for connecting with diamond core drill bits
• The extension shaft is hollow to allow water flow during wet applications

Details: Extesion Lenghth: 12", Overall length : 14". Female 1-1/4" -7 UNC thread to male 1-1/4" -7 UNC thread. Adopt heat treated industrial grade steel extends lifetime. Work status for connecting with diamond core drill bits. The extension shaft is hollow to allow water flow during wet applications.