tapered drill rods hex drill rods

We are a professional manufacturer of rock drilling tools in China. Our main products include rock drill, TBM cutter, roller cutter bits, DTH hammer, DTH bit, button bit, retract button bit, cross bit, chisel bit, drill rod, drill tube, shank adaptor, coupling sleeve, pilot adaptor, overburden drilling equipment, cutting tools which are used for mining, quarrying, tunneling, water well drilling, mineral exploration, geological prospecting, civil engineering and construction. Etc.

Taper drill rod is used for rock drilling, blasting holes and other drilling works in the quarries, coal mines, traffic and other contractions. It works with taper drill bits and has different length for various applications, our taper drill rods come in a variety of taper angles, generally, the light duty rock drill usually use 7 taper or smaller taper angle, the heavy duty rock drill mainly use 11\12 taper angle. And the basic theory is that taper drill rods and taper drill bits must be in the same tapered degree. We provide tapered rods in a full range of shank configurations and steel hex diameters for hand-held pneumatic drilling needs.

(1)(1)Steel grade: 55SiMnMo,40SiMnCrNiMo, 95CrMo equivalent to SANDBAR 20 or C253,

(2)Shank size: hex.22mm×108mm , hex.22mm×159mm, hex.22mm×80mmhex.25mm×108mm. hex.

(3)Taper:6°,7°,11°,12°,etc

(4)Length:0.5m-9m

(5)Package: in wooden case or in bundles.

(6)Supply ability:3000MT/month

(7)Delivery time :30days

(8)Payment terms:T/T or L/C

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