XIAMEN PRODRILL EQUIPMENT CO., LTD.  

Product Name: Chisel Cross Button Bit Tapered Steel Drill Rod for Quarry Model NO.: tapered drill rod Material: Carbon Steel Usage: Oil Mining Length: 360mm Taper Degree: 4, 7, 11, 12 Hexagonal Bushing: 22*108mm Application: Quarry Small Hole Drilling Materials: 95crmo Match Rock Drill: Pneumatic Rock Drills Trademark: PRODRILL Transport Package: Wood Package Specification: CE, SGS, ISO9001 Origin: China HS Code: 82071990 Product Description Chisel Cross Button Bit Tapered Steel Drill Rod for QuarryShank Hexagon: 19 x108 mm, 22x 108mm, 25 x108 mm, 25 mmX159mm 6, 7, 11, 12 degree taper in most lengths, taper degree of drill steel is mostly important 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, 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.Shank sizeLength in mmLength in feetPart number22X10861020610-xx*22X108122041220-xx*22X108183061830-xx*22X10819802006-1-21980-xx*22X108244082440-xx*22X1083050103050-xx*22X1083660123660-xx*22X1085485185485-xx*22X1086400216400-xx*22X1087315247315-xx*Shank sizeLength in mmLength in feetPart number25X10815004,91500-7*25X108183061830-7*25X10820002006-1-22000-7*25X10822007,22200-7*25X1083050103050-7*