ER70S 6 MIG Premium Welding Wire, Carbon Steel, 0.035 in dia, 44 lb Spool ORS NASCO Single flute cutting edge for greater Single flute cutting edge for greater control through steps Hex shank prevents slipping in drill chuck Also available with (TiN) coating for longer life New SpeedPoint tip penetrates faster than previous Unibits and prevents walking Ideal for drilling holes into thin materials such as stainless steel Designed for precision metal fasteners under 3 4" Protects threads from rust and corrosion Removable with hand tools oily or rusty steel The high silicon content increases the fluidity of the weld pool x ray quality welds at the highest tensile strength of all the plain carbon steel wires Requires a shielding gas of CO2 and or CO2 mix