{"id":932,"date":"2020-04-16T08:43:18","date_gmt":"2020-04-16T08:43:18","guid":{"rendered":"http:\/\/fastenerworld.ae\/?post_type=product&p=932"},"modified":"2026-07-07T04:51:59","modified_gmt":"2026-07-07T04:51:59","slug":"pal-nuts","status":"publish","type":"product","link":"https:\/\/asiabolt.om\/ar\/product\/pal-nuts\/","title":{"rendered":"Pal Nuts"},"content":{"rendered":"

Pal Nuts \u2013 Palnut Fastener & Push-On Retaining Nut Manufacturer & Supplier in UAE<\/h4>\n

Asia Bolts Industries LLC is a specialist Pal Nut manufacturer and supplier<\/strong> based in Dubai, UAE, delivering precision-stamped spring retaining fastener solutions to the automotive, electrical, HVAC, oil & gas, marine, and general assembly sectors across the GCC and global markets since 1997. Our Pal Nuts \u2014 manufactured from hardened spring steel strip on precision stamping tooling \u2014 provide the fastest, most compact, and most cost-effective secondary retention solution available for stud, shaft, and bolt end retention applications where conventional threaded nuts are impractical, inaccessible, or too slow for high-volume assembly operations.<\/p>\n

\n

What Are Pal Nuts?<\/h4>\n

Pal Nuts are single-piece stamped spring fasteners \u2014 also referred to in industry as Palnuts, Spire Nuts, Speed Nuts, Push-On Retaining Nuts<\/strong>, or Multi-Finger Retaining Nuts<\/strong> \u2014 that consist of a flat or dished steel disc with multiple inward-angled spring fingers punched from the central area. When the Pal Nut is pushed axially onto a bolt, stud, or plain shaft:<\/p>\n

    \n
  1. The spring fingers deflect outward as the stud passes through the central aperture<\/li>\n
  2. The angled fingers spring back and grip the stud surface or thread flanks by multi-point spring contact<\/li>\n
  3. The grip resistance increases proportionally with any axial pull-off force applied to the Pal Nut \u2014 creating a self-reinforcing retention mechanism<\/li>\n
  4. The Pal Nut cannot be pushed further onto the stud beyond its seated position \u2014 providing positive end retention<\/li>\n<\/ol>\n

    The result is a one-push, tool-free, instant retention<\/strong> fastener that replaces conventional nut threading operations entirely in applications where the primary function is axial retention rather than clamping load generation.<\/p>\n

    Key distinctions from conventional nuts:<\/strong><\/p>\n

      \n
    • No rotation required for installation \u2014 push-on engagement only<\/li>\n
    • No thread on the stud is required for plain-stud variants \u2014 grip is by spring finger contact on the plain shaft<\/li>\n
    • Installation is one-directional \u2014 Pal Nuts are designed for permanent or semi-permanent retention<\/li>\n
    • Removal requires deliberate finger deflection or a removal tool \u2014 preventing accidental release under vibration<\/li>\n<\/ul>\n

      They are widely used in:<\/p>\n

        \n
      • Automotive body and trim assembly<\/strong> \u2014 interior panel retention, exterior trim clips, under-bonnet cable retention<\/li>\n
      • Electrical and electronic enclosures<\/strong> \u2014 PCB retention studs, terminal post retention, cable management clips<\/li>\n
      • HVAC and air handling units<\/strong> \u2014 filter retention studs, access panel secondary retention, duct connector clips<\/li>\n
      • Appliance manufacturing<\/strong> \u2014 washing machine, refrigerator, and oven panel retention studs<\/li>\n
      • Instrument and control panel assembly<\/strong> \u2014 dial retention, indicator lamp retention, knob retention on plain shafts<\/li>\n
      • Oil & gas instrument enclosures<\/strong> \u2014 secondary retention of internal components on stud posts<\/li>\n
      • Marine and offshore<\/strong> \u2014 cable and conduit retention clips, panel component retention in vibrating environments<\/li>\n
      • General assembly lines<\/strong> \u2014 any high-volume assembly operation where stud retention speed is critical<\/li>\n<\/ul>\n
        \n

        Types of Pal Nuts Available<\/h4>\n

        1. Standard Pal Nut (Multi-Finger Push-On)<\/strong>
        \nThe classic Pal Nut configuration \u2014 a flat stamped disc with four or more inward-angled spring fingers around a central aperture. Pushes onto plain or threaded studs and retains by multi-point spring finger grip. The lightest and most compact retention fastener available. Standard configuration for automotive trim, appliance panel, and instrument retention.<\/p>\n

        2. Dished Pal Nut<\/strong>
        \nA Pal Nut with a dished (slightly conical) body form \u2014 the dish provides an axial spring load against the retained component in addition to the radial grip of the spring fingers. Used where both axial retention and a light preload against the retained panel or component are required simultaneously \u2014 providing rattle-free retention in vibrating environments.<\/p>\n

        3. Spire Nut (Spire Lock Nut)<\/strong>
        \nA Pal Nut variant with a helical spire-form spring finger that engages the thread flanks of a threaded stud when pushed on \u2014 providing both axial retention and a degree of thread engagement resistance to rotation. Higher retention force than a plain multi-finger Pal Nut. Used in automotive and HVAC applications where the stud is threaded and higher pull-off resistance is required.<\/p>\n

        4. Flat Push-On Nut<\/strong>
        \nA flat stamped nut with a central pierced thread form \u2014 pushes onto a threaded stud and provides retention by thread interference without rotation. A hybrid between a Pal Nut and a conventional nut \u2014 faster installation than threading but with thread engagement providing higher retention than plain spring finger grip.<\/p>\n

        5. Large Flange Pal Nut<\/strong>
        \nA Pal Nut with an extended outer flange diameter \u2014 providing a larger bearing surface against the retained component or panel. Used where load distribution over a wider area is required to prevent pull-through of the Pal Nut into thin or soft panel materials.<\/p>\n

        6. Stainless Steel Pal Nut<\/strong>
        \nFull Pal Nut configurations in AISI 304 and AISI 316 stainless steel for corrosive environment applications \u2014 marine equipment, offshore instrument enclosures, food processing plant, and coastal GCC installations where carbon steel spring corrosion would compromise retention performance.<\/p>\n

        7. Custom Stamped Pal Nut<\/strong>
        \nFor OEM customers requiring non-standard aperture sizes, custom flange diameters, bespoke spring finger counts and angles, or specific retention force targets \u2014 Asia Bolts develops custom Pal Nut stamping tooling from customer drawings or retention force specifications through to approved production supply.<\/p>\n

        \n

        Standards & Specifications<\/h4>\n
        \n\n\n\n\n\n\n\n\n\n
        Standard<\/th>\nDescription<\/th>\n<\/tr>\n<\/thead>\n
        DIN 6798<\/strong><\/td>\nSerrated lock washers \u2014 associated spring steel stamping standard<\/td>\n<\/tr>\n
        ASME B18.21.1<\/strong><\/td>\nLock washers \u2014 spring steel stamping specification<\/td>\n<\/tr>\n
        BS 4464<\/strong><\/td>\nSpring washers and retaining nuts \u2014 general engineering<\/td>\n<\/tr>\n
        ISO 7090<\/strong><\/td>\nPlain washers \u2014 associated disc fastener standard<\/td>\n<\/tr>\n
        Proprietary<\/strong><\/td>\nOEM and customer drawing specifications accepted<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

        Custom stamping tooling for non-standard aperture sizes, retention forces, flange diameters, and spring finger configurations is available through our engineering team.<\/p>\n

        \n

        Materials & Grades Available<\/h4>\n
        \n\n\n\n\n\n\n\n\n
        Material<\/th>\nGrade \/ Specification<\/th>\nTypical Application<\/th>\n<\/tr>\n<\/thead>\n
        Carbon Spring Steel<\/strong><\/td>\n65Mn, C75, hardened & tempered<\/td>\nGeneral industrial, automotive, HVAC<\/td>\n<\/tr>\n
        Stainless Steel<\/strong><\/td>\nAISI 301, 304, 316<\/td>\nMarine, offshore, food-grade, corrosive<\/td>\n<\/tr>\n
        Phosphor Bronze<\/strong><\/td>\nCuSn6, CuSn8<\/td>\nElectrical, EMI-sensitive, marine<\/td>\n<\/tr>\n
        Galvanised Steel<\/strong><\/td>\nZinc electroplated spring steel<\/td>\nOutdoor, construction, general assembly<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

        Surface treatment options include zinc electroplating, nickel plating, tin plating, black oxide<\/strong>, and passivation<\/strong> for stainless grades.<\/p>\n

        \n

        Dimensions & Size Range<\/h4>\n
        \n\n\n\n\n\n\n\n\n\n\n\n
        Parameter<\/th>\nRange<\/th>\n<\/tr>\n<\/thead>\n
        Stud \/ Shaft Diameter<\/strong><\/td>\n2 mm to 25 mm (plain stud) | M3 to M20 (threaded stud)<\/td>\n<\/tr>\n
        Flange OD<\/strong><\/td>\n8 mm to 50 mm<\/td>\n<\/tr>\n
        Material Thickness<\/strong><\/td>\n0.3 mm to 1.5 mm spring strip<\/td>\n<\/tr>\n
        Spring Finger Count<\/strong><\/td>\n3 to 8 fingers per standard configurations<\/td>\n<\/tr>\n
        Retention Force<\/strong><\/td>\n50 N to 2,000 N depending on configuration<\/td>\n<\/tr>\n
        Finish<\/strong><\/td>\nPlain, zinc plated, nickel, tin, black oxide<\/td>\n<\/tr>\n
        Tolerance<\/strong><\/td>\nPer customer drawing \/ OEM specification<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

        Custom aperture sizes, flange diameters, and target retention forces are manufactured on request.<\/p>\n","protected":false},"excerpt":{"rendered":"

        Pal Nuts<\/strong> \u2014 also known as Palnuts, Spire Nuts, Push-On Retaining Nuts<\/strong>, or Speed Retaining Nuts<\/strong> \u2014 by Asia Bolts Industries are single-piece, stamped spring steel fasteners designed to push axially onto a plain or threaded stud, bolt, or shaft and grip by multi-finger spring tension alone \u2014 providing instant, tool-free retention without rotation, threading, or secondary locking elements. The inward-angled spring fingers of the Pal Nut deflect outward as the fastener is pushed onto the stud, then spring back to grip the stud surface or thread flanks \u2014 creating a one-way mechanical retention that resists axial pull-off forces while allowing quick hand-removal when the fingers are released.<\/p>\n

        Widely used as secondary retention fasteners, anti-vibration retainers, cable and wire clip retainers<\/strong>, and trim retention nuts<\/strong> in automotive, electrical, HVAC, and general assembly applications, Pal Nuts are manufactured from hardened carbon spring steel and stainless steel to DIN 6798, ASME B18.21.1<\/strong>, and proprietary stamping specifications. All Pal Nuts are produced at our Dubai Investment Park<\/strong> facility under ISO 9001, ISO 45001, and ISO 14001<\/strong> certified quality systems and exported to 70+ countries<\/strong> across the GCC, Middle East, Africa, and Asia.<\/p>\n

        \u2705 Push-on, spire, multi-finger & palnut retainer types available
        \n\u2705 Carbon spring steel & stainless steel grades
        \n\u2705 Plain stud & threaded stud engagement configurations
        \n\u2705 Standard & custom stamping profiles on request
        \n\u2705 Full MTC documentation & batch traceability provided
        \n\u2705 ISO 9001 \u00b7 ISO 45001 \u00b7 ISO 14001 certified
        \n\u2705 Approved vendor: Saudi Aramco | ADNOC | SABIC<\/p>\n

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