Needle Plate Jack E4 Needle Plate 277505R40/121215004 for E4S, C4, Pegasus EX5200 & EX5214

Product Details

Jack E4 Needle Plate 277505R40 for 4-Thread Overlock Sewing MachinesReplace a worn or damaged needle plate with this Jack E4 Needle Plate 277505R40, designed for high-speed 4-thread overlock sewing machines. This precision-engineered needle throat plate fits selected Jack and Pegasus overlock machines, helping maintain accurate needle positioning, smooth fabric feeding, and consistent stitch formation.Manufactured to OEM specifications, this replacement plate features precision needle slots, an accurately machined chaining tongue, and a polished surface that minimizes thread wear during continuous production. Whether you operate a garment factory, tailoring unit, boutique, or alteration shop, this needle plate helps restore professional overedge stitching performance.Please verify your existing needle plate shape and part number before purchasing.Key FeaturesOEM replacement for Part No. 277505R40 / 121215004Precision-machined dual needle openingsAccurate chaining tongue for consistent overlock stitch formationHardened high-carbon steel constructionChrome-plated polished surface for smooth fabric movementWear-resistant against continuous feed dog contactHelps reduce skipped stitches and thread abrasionDirect drop-in replacement with no machine modification requiredSuitable for high-speed industrial overlock sewing applicationsMachine CompatibilityThis needle plate is compatible with the following 4-thread overlock sewing machines.Jack ModelsJack E4Jack E4SJack E3Jack C4Pegasus ModelsPegasus EX5200Pegasus EX5214Pegasus M752-13Pegasus M800 SeriesCompatible Part Numbers277505R40121215004Please compare your existing needle plate and part number before ordering.Machine Compatibility TableMACHINE TYPE COMPATIBLEJack E4 YesJack E4S YesJack E3 YesJack C4 YesPegasus EX5200 YesPegasus EX5214 YesPegasus M752-13 YesPegasus M800 Series YesWhy Choose This Needle Plate?A needle plate directly affects stitch quality, fabric control, and needle alignment. When the plate becomes scratched, bent, or worn, it may cause:Skipped stitchesNeedle breakageThread frayingPoor seam appearanceUneven fabric feedingReplacing it with a precision-made OEM-compatible plate restores proper stitch quality while protecting both needles and loopers during high-speed production.Best Fabric TypesThis industrial overlock needle plate performs well on many commonly stitched fabrics including:CottonPolyesterKnitted fabricsJerseyLycraFleeceUniform fabricLightweight denimBlended garment fabricsSuitable for:T-shirt manufacturingGarment productionKnitwearSportswearFashion apparelGeneral overedge finishingApplicationsIdeal for:Garment factoriesTailoring shopsExport housesBoutique productionUniform manufacturersTextile workshopsProfessional sewing machine servicingHow to InstallSwitch off the sewing machine.Remove the presser foot and needles if required.Unscrew the existing needle plate.Clean lint around the feed dogs.Position the new needle plate correctly.Tighten the screws securely.Rotate the handwheel manually to confirm needle clearance.Test stitch on scrap fabric before production.Frequently Asked QuestionsIs this needle plate compatible with Jack E4?Yes. It is designed to fit Jack E4 and other compatible 4-thread overlock machines using Part No. 277505R40 / 121215004.Does it fit Pegasus EX5214?Yes. It is compatible with Pegasus EX5200 and EX5214 series overlock machines that use the same part number.What material is the needle plate made from?It is manufactured from hardened high-carbon steel with a polished chrome-plated surface for long service life.Can a worn needle plate cause skipped stitches?Yes. Grooves, burrs, or worn needle holes can affect needle alignment and thread movement, resulting in skipped stitches or poor seam quality.Is installation difficult?No. It is a direct replacement part that installs using the original mounting screws.How do I confirm compatibility?Compare your existing part number and the physical shape of your current needle plate before ordering.