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https://www.litechtools.com/products/extension-rod/

Extension rod, with male threads at both ends, connects with a shank adapter through a coupling sleeve. drill extension rod can divide into round extension rods and hexagonal extension rods, and is widely used in bench drilling, bolt hole drilling, production drilling, long hole drilling, small hole drilling and other fields.

Litian owns a large scale rock drill bits factory to produce and provide high quality rock drill bit extension rods, such as R22 drill extension rod, R25 extension rod, R28 extension rod, R32 extension rod, R38 extension drill rod, T38 threaded extension rod, T45 extension rod, T51 rod, SR25 extension rod.

Specification Of Extension Drill Rod
R22
LengthDiameterWeightModel No.Part No.
[mm][ft-in][mm][in][kg]
8002' 7″227/8″2.4R22-H22-800601-8108-202
Extension rod, Hex 22, R22 - R2212003' 11″227/8″3.6R22-H22-1200601-8112-202
16005' 3″227/8″3.8R22-H22-1600601-8116-202

As one of rock drilling tools manufacturers, we will do our best to meet all the needs of customers.