Hexagon Hole Drilling Tool for Small Hole Rock Drilling 


Application                                                                                                                                                           

Taper Drill Rods

Tapered drill rod,another name called taper rod, tapered drill steels, This 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 lengths- available from 0.6m to 3.6 m in length-are measured from the collar to the bit end.

For drilling medium-hard to hard and abrasive rock formations,Taper angles of 11 and 12-degrees are 
normally used on modern drill rigs, like YT28B, YT29A, Y24, YT24, Mobile rock drill pneumatic and hydraulic. 

For low impact rock drills and softer rock formations, a narrow tape range of 7 degrees is used, such as 
Indian, Saudi's granite and marble quarry. 
A comprehensive range of taper button bits, cross bits and chisel bits with 6, 7, 11, 12 degreetaper.

Characteristics                                                                                                                                                       Shank Hexagon: 19 x108 mm, 22x 108mm, 25 x108 mm,  25 mmX159 mm  6, 7, 11, 12 degree taper in most lengths, taper degree of drill steel is mostly imports for excellent drilling productivity.
Package: in wooden case or in bundles.
Productivity: 20000pcs / month
Specification                                                                                                                                                             

Packing& Delivery                                                                                                                                                



Service                                                                                                                                                                

In our after sales service system, We establish perfect control system strictly according to ISO-9000 series, in this system, technology date and problem solve solution and preventive measures will be provided in any maintain project, all the spare parts will be used in new OEM products with installation instructions, packing list, manufacturer's instruction, qualification and Warranty certificate.

We provide "one equipment & one case, endless service, namely the after sales service begin from the order confirmation, last for the working life of the equipment.