{"product_id":"service-caster-semi-steel-cast-iron-swivel-threaded-stem-casters","title":"Service Caster Semi Steel Cast Iron Swivel Threaded Stem Casters","description":"\u003cp\u003eIn this review of the Service Caster Semi Steel Cast Iron swivel casters the bottom line is simple: these are durable replacement or upgrade casters for heavy furniture and equipment that need reliable load capacity and straightforward installation. They are aimed at shops, offices, and facilities managers who value build quality and load rating more than quiet wheels. The single biggest reason to buy is their proven 300 lb capacity per caster combined with sturdy semi steel cast iron construction, which makes them a practical choice when strength and longevity matter.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSemi steel cast iron wheel:\u003c\/strong\u003e Provides a robust wheel body that resists deformation under repeated heavy loads for long term durability.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e300 lb capacity per caster:\u003c\/strong\u003e Each caster supports heavy items so a set of four handles up to 1,200 lb total for demanding use.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThreaded stem mounting:\u003c\/strong\u003e The 1\/2 in diameter (13 TPI x 1-1\/2) threaded stem allows direct screw-in installation into existing threaded sockets on equipment or furniture.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMultiple wheel sizes:\u003c\/strong\u003e Available with 3 in, 4 in and 5 in wheels and corresponding mounting heights to match clearance and rollability needs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrake options:\u003c\/strong\u003e Offers a top lock brake for wheel-only locking or a total lock brake to secure both wheel and swivel for full immobilization.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThese casters are best for service technicians, workshops, medical carts, industrial furniture and facility use where strength and proven materials are priorities. If the equipment needs consistent rollability and the ability to carry substantial loads, this set is a sensible, no-frills choice.\u003c\/p\u003e\n\u003cp\u003ePeople who prioritize silent, soft-floor-friendly wheels or who cannot easily measure threaded stems should look elsewhere. The threaded stem requires careful matching with existing threads, so buyers without a thread gauge or with unusual mounts may prefer plate-mount or stemless alternatives.\u003c\/p\u003e\n\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSolid construction and perceived high build quality make them reliable under heavy loads.\u003c\/li\u003e\n\u003cli\u003eGood rollability on hard surfaces thanks to the stiff wheel design.\u003c\/li\u003e\n\u003cli\u003eClear brake choices let users decide between wheel-only lock or full swivel plus wheel lock for complete stability.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eThreaded stems can be tricky to measure and may require a thread gauge to ensure correct fit.\u003c\/li\u003e\n\u003cli\u003eThe swivel or lock nut finish can protrude in some installations, which a few users noted as an installation nuisance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eService Caster\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWheel diameters\u003c\/td\u003e\n\u003ctd\u003e3 in, 4 in, 5 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCapacity per caster\u003c\/td\u003e\n\u003ctd\u003e300 lb\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTotal capacity (set of 4)\u003c\/td\u003e\n\u003ctd\u003e1,200 lb\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStem\u003c\/td\u003e\n\u003ctd\u003e1\/2 in diameter (13 TPI x 1-1\/2)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrake options\u003c\/td\u003e\n\u003ctd\u003eTop Lock Brake (TLB) or Total Lock Brake (TTL)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting heights\u003c\/td\u003e\n\u003ctd\u003e3 in wheel: 4-1\/8 in; 4 in wheel: 5-1\/8 in; 5 in wheel: 6-1\/8 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eThese Service Caster semi steel cast iron swivel casters are a pragmatic pick for anyone needing strong, long-lasting casters with clear brake choices and a high per-unit capacity. They deliver good value when mechanical strength and load rating are the priority, but buyers should confirm stem thread size before ordering to avoid fit issues.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eWhat thread size do these stems use?\u003c\/strong\u003e\u003cbr\u003eThe stems are 1\/2 in diameter with 13 TPI and a 1-1\/2 in length; Service Caster recommends checking existing threads with a thread gauge before ordering.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDo these casters lock the swivel as well as the wheel?\u003c\/strong\u003e\u003cbr\u003eThere are two brake options: the TLB locks the wheel only, while the TTL locks both the wheel and the swivel for full immobilization.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat total weight can a set of four handle?\u003c\/strong\u003e\u003cbr\u003eA set of four 300 lb casters is rated for 1,200 lb total capacity when load is distributed evenly.\u003c\/p\u003e","brand":"Service Caster","offers":[{"title":"Default Title","offer_id":48631948247259,"sku":"B08FCPZD78","price":74.74,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/518gxR1-iXL._SL1000.jpg?v=1778452615","url":"https:\/\/gearmusthave.com\/products\/service-caster-semi-steel-cast-iron-swivel-threaded-stem-casters","provider":"GearMustHave","version":"1.0","type":"link"}