Arc welding robot process outline ~ Features of our Contact Tip ~ ● Tip Hole Realization of more smooth Wire Feeding Method due to pulling process. ● Wire Entrance Shape Without Taper Portion, realization of smooth wire feeding. Related Products Contact Tip Hole Judgment Specialized Pin Gauge HG Pin Contact Tip Hole Judgment Specialized Pi Tip gauge ( teaching eye ) Tip gauge ( teaching eye ) Function/Use GF liner GF liner Features/Use As Primary Nozzle RED.71 Nozzle Features Due to thin thick