Six Inch Extension Rod For Core Drill Bits With One And Quarter Inch UNC Thread, Hollow Shaft For Water Flow During Wet Diamond Core Drilling, Durable Steel For Long Life And Reliable Connections

6in Hollow Extension Rod for Wet Diamond Core Drilling
✔️ 6 inch hollow shaft with 1-1/4"-7 male to 1-1/4"-7 female, single pack

The six inch extension rod is a hollow steel shaft that connects to diamond core bits with 1-1/4 inch UNC threads. It’s designed for wet drilling, letting coolant water flow through and maintain steady connections in field and workshop setups.

✅ Shaft length: 6 inches (152 mm) for core drilling compatibility
✅ Thread compatibility: 1-1/4" UNC male to 1-1/4" UNC female
✅ Hollow design enables water flow during wet drilling
✅ Durable steel for long life and reliable connections

💡 What is a hollow shaft extension rod used for in core drilling? This handy accessory adds reach and ensures water is delivered to the bit during wet drilling. - handy for extending reach in tight spaces during core drilling - helps keep water flowing to cool the bit - provides secure, leak-resistant connections between rod and bits - ideal for field and shop tasks with durable steel construction