MAXDRILL Blast Furnace Taphole drill rod

—MAXDRILL Tap hole Drill Rod It was widely used in big steel mill for delivering liquid steel specially from blast furnace. A blast furnace tap hole drill is provided having an elongated feedshell which supports a percussion drill, drill rod assembly, and a centralizing drill rod support disposed between the percussion drill and a stationary forward end drill rod support. (1)Material/Grade:DIN CK45, JIS S45C, SAE1045, AISI1045; DIN CK20, JIS S20C, SAE1020, AISI1020, ASTM A106B, ASTM A53B, ST45, ST42. (2)Out diameter: hex.19mm, hex.22mm ,hex.28mm , hex.32mm, dia.32mm, dia.38mm ,dia.45mm dia.51mm (3)Wall thickness: 11mm-14mm (0.43"-0.55&quot ;) (4)Length:Blasting furnace Tap hole drilling rod: 1.0m-6m We serve customized design, production and serve according to worldwide clients’ different condition. —MAXDRILL Tap hole Drill Bit (1)Diameter:38mm-70mm. (2) shape, carbide 3-blade type , steel cross bit , carbide cross bit ,button bit andetc (3)Package: in wood case or in carton (4) Productivity:10000pcs/ month We serve customized design, production and serive according to worldwide clients different condition.