The Lincoln Electric KP2742-1-38R is a high-performance gas nozzle engineered specifically for the Magnum PRO 350A series of semi-automatic MIG welding guns. Designed to meet the rigorous demands of industrial fabrication, this nozzle features a 3\/8-inch (9.5 mm) inner diameter (ID) and a 1\/8-inch (3.2 mm) recessed tip relationship. The specific bore size is optimized for standard welding applications where precise gas coverage is required without excessive gas waste, while the recessed design provides a critical protective barrier for the contact tip, reducing the risk of short-circuiting against the workpiece and shielding the tip from radiant heat.<\/p>\n
Constructed with a robust copper alloy core and finished with high-quality nickel plating, the KP2742-1-38R is built to withstand high-amperage welding environments up to 350A. The nickel plating serves a dual purpose: it reflects radiant heat to keep the front-end consumables cooler, and it provides a slick surface that resists the adhesion of weld spatter. This significantly reduces downtime associated with nozzle cleaning and extends the overall service life of the consumable. In high-volume production environments, the reduction in spatter buildup translates directly to improved arc stability and fewer interruptions.<\/p>\n
One of the standout features of the Magnum PRO consumable system is the thread-on nozzle design. Unlike slip-on nozzles that can become loose or misaligned, the KP2742-1-38R threads securely onto the gas diffuser. This mechanical connection ensures perfect concentricity between the contact tip and the nozzle, guaranteeing uniform shielding gas flow around the weld pool. Furthermore, the coarse thread pitch is specifically engineered to prevent seizing, a common issue in high-heat applications where thermal expansion and contraction can lock components together. This design detail ensures that the nozzle can be easily removed for maintenance or replacement, even after long periods of continuous welding.<\/p>\n
This nozzle is compatible exclusively with 350A thread-on diffusers within the Magnum PRO line. It supports a wide range of wire diameters from .035″ to 5\/64″, making it a versatile choice for shops handling various material thicknesses. Whether used in general fabrication, structural steel, or heavy equipment manufacturing, the KP2742-1-38R delivers the reliability and performance expected from Lincoln Electric’s premium consumable line.<\/p>\n","protected":false},"excerpt":{"rendered":"Lincoln Electric KP2742-1-38R Magnum PRO 350A MIG Nozzle The Lincoln Electric KP2742-1-38R is a high-performance gas nozzle engineered specifically for the Magnum PRO 350A series of semi-automatic MIG welding guns. Designed to meet the rigorous demands of industrial fabrication, this nozzle features a 3\/8-inch (9.5 mm) inner diameter (ID) and a 1\/8-inch (3.2 mm) recessed… View Article<\/a>","protected":false},"featured_media":0,"template":"","meta":{"_acf_changed":false},"product_brand":[],"product_cat":[2042,2044],"product_tag":[],"class_list":{"0":"post-1764410","1":"product","2":"type-product","3":"status-publish","5":"product_cat-mig-accessories","6":"product_cat-mig-consumables","7":"pa_amps-350amp","8":"pa_brand-lincoln","9":"pa_brand-magnum","10":"pa_item-nozzle","11":"pa_packaging-description-1-per-each","13":"first","14":"instock","15":"taxable","16":"shipping-taxable","17":"purchasable","18":"product-type-simple"},"acf":[],"_links":{"self":[{"href":"https:\/\/josefgases.com\/stage\/wp-json\/wp\/v2\/product\/1764410","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/josefgases.com\/stage\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/josefgases.com\/stage\/wp-json\/wp\/v2\/types\/product"}],"wp:attachment":[{"href":"https:\/\/josefgases.com\/stage\/wp-json\/wp\/v2\/media?parent=1764410"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/josefgases.com\/stage\/wp-json\/wp\/v2\/product_brand?post=1764410"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/josefgases.com\/stage\/wp-json\/wp\/v2\/product_cat?post=1764410"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/josefgases.com\/stage\/wp-json\/wp\/v2\/product_tag?post=1764410"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}