Designed for heavy-duty welding applications, the Tweco® HD22 Series nozzle features a robust 0.5" bore and is compatible with wire sizes ranging from 1/8" to 5/32". This nozzle is crafted with a three-piece design that eliminates the need for an additional insulator, ensuring reliable electrical insulation thanks to its g7 silicone material. With a recessed tip length of 2.383", it is particularly suited for high-heat applications where longer electrical stick-out is essential, making it ideal for tasks such as tack, spot, and stitch welding. The nozzle is constructed from durable materials, including a copper alloy housing and a solid brass insert, ensuring longevity and performance in demanding environments. Whether you’re working on intricate joints or tackling open root pipe welding, this nozzle offers the versatility and reliability that professionals demand.