Name: drill extension rod with hex 22 R22 R25 thread connection
Brand: beentools

Description

Drill Rods for Rock Drilling Tools

Drill rods for rock drilling tools are available in various standard lengths to match the feed rates of different rock drills.

Key Roles of the Drill Extension Rod in Drilling Operations

The drill extension rod extends the length of the drilling tool, enabling it to reach deeper rock layers that were previously inaccessible.
The drill extension rod transmits the rotary torque and impact energy from the drill rig to the drilling tool.

Length options for the drill extension rod: 500 mm, 600 mm, 1 m, 1.2 m, 1.6 m, and 1.8 m.
Specification: hexagonal 22 mm.
Connection thread options: R22 and R25.
Weight: ranges from 1.6 kg to 5.8 kg, with detailed information available in the table.
Material: high-strength alloy structural steel, 23CrNi3Mo.
Manufacturing process: full carburization.

Technical Parameters

drill extension rod with hex 22 R22 R25 thread connection
22mm ( 7/8" ) Extension rod	L		H		Thread	Order number	Weight kg
22mm ( 7/8" ) Extension rod	mm	foot, inch	mm	inch	Thread	Order number	Weight kg
R22(R25)-Hex22-R22(R25)	500	1', 7 5/8"	22	7/8	R22	B256-2205-5151	1.6
	600	1', 11 5/8"	22	7/8	R22	B256-2206-5151	1.9
	1000	3', 3 3/8"	22	7/8	R25	B256-2210-5252	3.1
	1200	3', 11 1/4"	22	7/8	R25	B256-2212-5252	3.7
	1600	5', 3"	22	7/8	R25	B256-2216-5252	5.1
	1800	5', 10 7/8"	22	7/8	R25	B256-2218-5252	5.8

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