EST Taphole 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,
(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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