Taper Rod

We feel proud to introduce ourselves as a well reputed Exporter & Supplier of Taper Rod in Jinjiang, Fujian, China.
Tapered drill rod provides a hexagonal chuck section to provide leverage for the rotation chuck bushing. It usually has a forged collar to maintain the proper shank striking face position in the rock drill, and a tapered bit end. Tapered steel lengthsa available from 0.6 m to 3.6 m in lengtha are measured from the collar to the bit end.

Shank Hexagon: 19 x 108 mm, 22x 108mm, 25 x108 mm, 25 mm X159 mm 6, 7, 11, 12 degree taper in most lengths, taper degree of drill steel is mostly imports for excellent drilling productivity

For drilling medium-hard to hard and abrasive rock formations, Taper angles of 11 and 12-degrees are normally used on modern drill rigs,

For low impact rock drills and softer rock formations, a narrow taper angle of 7 degrees is used, such as Indian, Saudia s granite and marble quarry.

A comprehensive range of taper button bits, cross bits and chisel bits with 6, 7, 11, 12 degree taper, drill hole diameter: 28mm-57mm.

our factory supply any kind of drill rods,and the quality is very high.It is strong to use ,also we had pass ISO-9001&CE certification.