136682 - Miller Spoolmatic 30A Teflon Head Tube Liner .023-.035 (3-Pack)

Keep Your Spoolmatic Running Smoothly with Miller 136682 Liners

Nothing kills productivity in the shop faster than a jammed spool gun. If you are welding aluminum with a Miller Spoolmatic 30A or XR Pistol Grip gun, you know that feedability is everything. The Miller 136682 Teflon Head Tube Liner is your first line of defense against feeding problems. Designed specifically for the unique demands of aluminum welding, this liner replaces the standard steel liners found in other guns, providing a slick, non-stick path for soft aluminum wire to travel through the gun's neck.

This 3-pack of liners is an absolute must-have for any welder using .023" to .035" aluminum wire. The 6.812-inch length is precision-cut to fit the head tube of your spool gun, ensuring there are no gaps where the wire could buckle. Aluminum wire is notoriously difficult to feed; it acts like a wet noodle when pushed. If your liner is dirty, kinked, or worn out, the resistance increases, leading to the dreaded "bird-nest" at the drive rolls. By replacing your head tube liner regularly with these genuine Miller Teflon replacements, you reduce drag and keep your wire feeding at a consistent speed.

Why choose Teflon? Unlike steel liners, Teflon does not scrape the soft aluminum surface, which prevents the buildup of metal shavings inside the liner. These shavings are a common cause of micro-arcing and clogs. The Miller 136682 ensures that your wire stays clean and round all the way to the contact tip. This translates to a more stable arc, less spatter, and better-looking beads.

At Welders Supply, we recommend keeping a pack of these in your toolbox at all times. When you start to feel the wire surging or see the arc stuttering, a quick liner change often solves the problem instantly. Don't let a five-dollar part hold up a thousand-dollar job. Invest in genuine Miller consumables to protect your equipment and improve your weld quality. This package contains three liners, giving you peace of mind for multiple liner changes.