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")
(4)Length: Blasting furnace Tap hole drilling rod: 1.0m-6m
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