Hexagonal Hard Rock Hollow Drill Bit Drilling Rod B19 B22 B25 B28 B32 B35

The hollow drill steel is vital material for make drill rods.It is typically supplied as steel hollow bars that made from premium grade steel and through closely-controlled metallurgical processes.The result is quality hex hollow drill steel with increased hardenability,uniform grain structure,and excellent machinability,which is difficult to break.Drill rods made of our hollow steel bars deliver stable drilling performance and extended wear life.

The hollow rock drill rod we supply are produced from the finest quality steel material, designed to withstand the stresses developed by the high powered drilling machines.The major applications include mining, quarrying, tunnelling, welling and civil engineering.

1. Quality performance and field of application for products

Hex steel for Quarrying Rock Blast Hole hollow Drill Rod

and rock drill rod is required to have high anti-impact, abrasion resistance capacity; the products are mainly used for steel for rock drill head and rock drill rod.

2. Main grade of drill rod :

30CrNi4Mo 40CrMnMo FF-710 K24729 55SiMnMo 35SiMnMoV18-25Cr2Ni4WA 25CrMnSiNi2MoA

3. Processing route:

EAF + LF + VD + concastng steel billets + hot rolled+cold drawn HEX steel bar+Center hole

2. Handling time for an order
Based on order quantity, normally it takes 15-30 days for production.
Only 2 or 3 days if we have stock on your request size.
3. Shipping way
Sample order: We suggest Express like DHL/UPS/TNT/FEDEX/EMS or by air.
Bulk order: We suggest by sea shipment.

Why choose our Drill Steels?

1. Threaded rock drill rod connect with button bits perfectly for drilling holes
2. Stable and mature welding technology ensure high quality of bits
3. Accurate dimension of taper degree perfectly matches the button bits
4. work reliable and very cost-effective
5. Rod bodies manufactured from high grade steel and processed using state-of-the-art CNC machinery and heat treatment

Keywords: drill rod | la barra de taladro | broca Rod | forer tige | Bohrgestänge | çubuk matkap | drill rod hard rock Mining Integral drill steel,Integral drill rod

We specialize in rock drilling tools, including rock drill bits,tapered drill tools,threaded drill tools,Down the hole drilling tools ( DTH ), which are widely used in mining , quarrying , well drilling and construction . All these products are compatible with other world world leading brands such as Atlas Copco , Sandvik , Mitsubishi and Boart Longyear.
Test is the best way to find suitable rock drilling tools, for samples please Email to drillbit@qq.com