tapered drill steels

Description

Tapered drill steels

Tapered drill rod, another name called taper rod or conical drills, tapered drill steels from rock drilling tools manufacturerSuperdrill which 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 0.6 meters to 3.6 meters in length—are measured from the collar to the rock drill bits end

We also offer excellent super quality tapered drill rods for hydraulic rok drill rig from Doofer, Atlas Copco, Sandivk which are used in granite,, marble & lime quarrying site, also with two hydraulic drifter hammer , this type of tapered rod done after special hot treatment techolog-Surface Carburized , more abrasive , more hardness , more stronger in time of drilling rock with a perfect performance in penetration rate , service life , cost less.

A range of Rods and T.C. Tipped Bits (Cross and Button). Shank sizes 82.5mm*22mm(3 1/4”*7/8”),108mm*25mm(4 1/4”*1”), 159mm*25mm(6 1/4”*1). Lengths 600mm to 6400, (2’-21’). Available in Taper Angles of 4.8º,7º,11º and 12ºon 22mm and 25mm (7/8”&1”)Hexagon. Bit Diameters: Cross-32mm to 51,(1 1/4”-2”), Button -32,, to 51mm(1 1/4”-2”)

Shank Hexagon: 19*108 mm, 22*108mm, 25*108 mm, 25*159 mm; 6, 7, 11, 12 degree taper in most lengths, taper degrees of Drill Steel for excellent drilling productivity.

For drilling medium-hard to hard and abrasive rock formations, normally taper angles of 11 and 12-degrees are used on modern drill rigs, like our model no. PD-Y58 crawler hydraulic rock drill. Also for Y6, Y10, 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 degree taper, drill hole diameter: 28mm-57mm