Specification :

Tapered Drill Rod
Shank H22x108mm (7/8 x 4 1/4 )
Length: 610mm - 2800mm (Length can be according to customers' specifications)
Taper: 4.8, 6, 7, 11, 12
Hex: 19mm, 22mm
The drilling tools are widely applicable to boring and drilling in the industries of stone-quarrying,
mineral-quarrying, water conservancy, transport, military industry, geology and civil engineering,ect.
We supply OEM service.