00:00Worn molding barrels ruin melt pressure and trash cycle times
00:03Fix worn molding barrels with these bimetallic screws
00:07Tested market, found 5 best deals to get extrusion line running like new
00:12First is 12mm, 16mm, and 20mm screw barrel set
00:18Complete drop-in package includes nozzle
00:22Costs $212.23
00:25Over 4,600 units sold with perfect 5-star rating
00:29Worth money because full-matched assembly eliminates fitment guesswork on standard shop machines
00:35Second is custom bimetallic screw, barrel, and sleeve set up for film extrusion and pelletizing
00:41Best for running abrasive HDPE, LDP, or PAGES
00:46Costs $77.25
00:50Thick bimetallic alloy lining handles filled resins without chewing through walls
00:55Massive durability upgrade for under $80
00:58Third is 20mm nitrite or stainless steel screw and drilled barrel kit
01:03Best feature is surface hardness from deep nitriding
01:07Costs $243.20, holds 4.8-star rating
01:12Desktop machines struggle with pressure drop, but tight tolerances on this kit restore factory compression immediately
01:20Fourth is mini-plastic extruder screw and material tray combo
01:23Best for desktop injection rigs and small test batches
01:27Costs $73.16 with 4.9-star rating
01:32Feeds consistently, stops bridging in throat, easiest way to rebuild small lab setup on tight budget
01:38Fifth is high-precision custom stainless injection screw service
01:43Best feature is made to order specs cut for specific resin blends
01:47Costs $46.23 with 5-star rating
01:52Solves weird wear patterns in oddball production barrels without paying machine OEM markup
01:57Links to all 5 options down in description
02:00Hit like, subscribe to channel
02:03Drop comments below on current barrel wear issues
02:07Step number one, one second, I'll turn the
