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
