Product Description

Taper drill rods work with taper drill bits, it has different length for various applications, our taper drill rods come in a variety of taper angles, and we provide tapered rods in a full range of shank configurations and steel hex diameters for hand-held pneumatic drilling needs. Normally, tapered drill rods are matched with tapered drill bits, like tapered button bits, tapered cross bits, chisel bits etc... They are the main drilling bits & drilling rodsof tapered drilling tools.

(1) Steel grade: 95CrMo equivalent to SANDBAR 20 or C253, 55SiMnMo. 
(2) Shank size: hex.22mm×108mm, 
hex.22mm×159mm, 
hex.22mm×80mm, 
hex.25mm×108mm, 
hex.25mm×159mm. 
(3) Taper: 6, 7 , 11, 12 degree etc. 
(4) Length: 0.4m-10m. 
(5) Productivity: 40000MT/Month. 

Contact Person: David Zhang 
E-mail: rockdrillingtool@rockdrillingtools-cn.com 
MSN: rockdrillingtool@hotmail.com 
Skype: rockdrillingtool 

Website:

http://www.jinquandrill.com

http://www.rocktools-cn.com

http://www.rockdrillingtools-cn.com

http://www.china-rockdrilltool.bloombiz.com

Payment Terms︰ T/T in advance, Western Union or Paypal