• tungsten carbide button bits,rock drill rods,thread button bit,hard rock drilling bits,Shandong Sinic Rock Drilling Tools Co.,Ltd.
  • Sinic Rock Drilling Tools CO.,LTD.

    +86-635-6366658 / +86-635-6319568

          

    Sales@sinicdrilltool.com

    tungsten carbide button bits,rock drill rods,thread button bit,hard rock drilling bits,Shandong Sinic Rock Drilling Tools Co.,Ltd. tungsten carbide button bits,rock drill rods,thread button bit,hard rock drilling bits,Shandong Sinic Rock Drilling Tools Co.,Ltd. tungsten carbide button bits,rock drill rods,thread button bit,hard rock drilling bits,Shandong Sinic Rock Drilling Tools Co.,Ltd.

tungsten carbide button bits,rock drill rods,thread button bit,hard rock drilling bits,Shandong Sinic Rock Drilling Tools Co.,Ltd.

Drill steel with Competitive Price H22 H25 Drill Rods

(1)Texture of material: 55SiMnMo40SiMnCrNiMo, 95CrMo;

(2)Shanksize:hex.22mm×108mm,hex.22mm×159mm,hex.22mm×80mmhex.25mm×108mm. hex.hex.25mm×159mm;

(3)Taper:11°12°;

(4)Length:0.5m-10m;

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

(6)Supply ability: 5000MT/month;

(7)Delivery time : 7-10 days;


Tapered Drill Rod


Tapered drill rod is connected with jack hammer rock drills via forged hex steel collar, and when connected with tungsten carbide drill bits/head, with the method of pyramidal/conical structure. The normal conical degree is 6, 7, 11, 12 etc.


This type of tapered rod is most widely used in various types of drill rods, owning the largest proportion in the drilling tools fields. The hollow small section of drill rod mainly include hexagonal 19mm, 22mm, 25mm.


(1)Texture of material: 55SiMnMo40SiMnCrNiMo, 95CrMo;

(2)Shanksize:hex.22mm×108mm,hex.22mm×159mm,hex.22mm×80mmhex.25mm×108mm. hex.hex.25mm×159mm;

(3)Taper:11°12°;

(4)Length:0.5m-10m;

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

(6)Supply ability: 5000MT/month;

(7)Delivery time : 7-10 days;


Always tapered drill rod are used for ore mining, tunnelling, railways, highways, water and electricity construction, foundation drilling works etc.













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