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Updated: 08 Oct 2025

10 Best Cast Iron Dumbbell Sets

#1
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2 x 11 kg Adjustable Dumbbell Set - Dumbbell Fitness Weight Set, Cast Iron Plate with Steel Handle for Bodybuilding Fitness Weight Lifting Training Home Gym

Brand: Generic
$219.99
⭐ 4.2
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    Quick Adjustment Feature: Effortlessly switch between weights ranging from 5 to 25 lbs with our smooth, easy-to-use slider mechanism. Perfect for dynamic adjustable dumbbell set workouts!
  • Space-Saving Design: This versatile 25 lb dumbbells set of 2 is designed to be compact, seamlessly integrating into your home gym without taking up unnecessary space. Get the benefit of multiple weights dumbbells set in one easy-to-store solution!
  • Enhanced Durability: Equipped with a non-slip grip, robust safety locks, and a sturdy metal handle to ensure your workouts with the adjustable dumbbells set of 2 are both safe and effective. Built to last through rigorous training sessions.
  • Full-Body Training: From curls and presses to lunges, expand your exercise options with our adjustable weights set that adapt to your fitness needs, allowing for a comprehensive workout.
  • Convenient Storage Rack Included: Keep your workout area neat and organized with the included rack, perfect for stowing your dumbbell sets with rack after your session.
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#2
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Cortex 40kg Dumbbell Cast Iron Tri-Grip Weight Set (Standard) with Dumbbells Weight Training Gym Strength

Brand: Cortex
$199.69
⭐ 4.1
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    CAST IRON Invest in strong and reliable weights that will last a lifetime.
  • STANDARD SLEEVE Weights and dumbbells have a standard 25mm sleeve diameter.
  • DUMBBELL HANDLES This set includes two dumbbell handles with spiral lock collars.
  • SOLID STEEL Strong steel dumbbell handles have chrome finish for improved durability, and rubber grips for comfort and stability.
  • 40KG SET This set comes with 4 of each 1.25, 2.5, and 5kg weight plates with 2x2.5kg dumbbell handles.
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#3
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HCE Adjustable Dumbbells Set - 40kg Standard Steel Bars with Cast Iron Hammertone Weight Plates - Home Gym Equipment for Body Building Workout WOD CrossFit MMA Fitness Weightlifting Sports Training

Brand: HCE
$198.99
⭐ 4.2
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    PROFESSIONAL GRADE HAMMERTONE STEEL DUMBBELL WEIGHTS - one of the most most effective tool for MASSIVE body gains in strength, speed and endurance.
  • INDESTRUCTIBLE HAMMERTONE STEEL MADE DUMBBELL PLATES - These pro-grade hammertone dumbbells set are designed to resist corrosion. Used by trainers, lifters and coaches for various dumbbell or barbell lifting workouts. Ideal for home or gym use - both men or women.
  • IDEAL FOR ANY WEIGHTLIFTING STRENGTH LEVELS - Our top-quality steel made bars for the hammertone dumbbells are used for various sport trainings by beginners, amateur or professional bodybuilders for various exercise such as squats, swings, twists, snatches and other related training that needs working out many muscle groups and body parts including biceps, shoulders, legs, & more.
  • ADJUSTABLE DUMBBELLS SET - Plates are available in a range of EZY grip hammertone standard weight plates. HCE has various weights set available for this kind of hammertone dumbbells (20kg, 30kg,40kg, 50kg, 60kg or 70kg). Comes with bolts and nuts locks and solid STEEL bars.
  • %SATISFACTION GUARANTEED Fitness and Sport cares for the satisfaction of our HCE customers and buyers. Our hammertone dumbbells set are top quality and used by many gyms and professional trainers around Australia. So hurry and hit "Add To Cart" button now!
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#4
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Hex Dumbbell Set, 1-20kg Rubber Encased Hex Dumbbell Cast Iron Exercise & Fitness Dumbbells, Non-Slip Handles Dumbbells Set of 2, Hand Weight for Strength Training  (3 KG X 2 PCS)

Brand: Nature Fitness
$30.99
⭐ 4.6
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    Premium Quality Construction: Crafted with a solid cast iron core, these 20 LB dumbbells offer reliable strength. The rubber coating not only prevents rust but also safeguards your floors and equipment.
  • Hexagonal Design for Convenience: The hex-shaped heads prevent unwanted rolling and allow for easy storage. The knurled ergonomic handle ensures a secure grip, reducing the risk of slipping. Additionally, the flattened hex weights reduce noise, enhancing your overall workout experience.
  • Versatile and Effective Workouts: These 20 LB dumbbells are versatile, suitable for multi-joint exercises targeting major muscle groups such as abs, chest, biceps, triceps, legs, and more.
  • Perfect for Weight Training: Whether your goal is to build strength, burn fat, or sculpt your body, free weight training with dumbbells has proven to be highly effective.
  • Widely Choices :This dumbbell weight is available in sizes from 1-20KG,sold in pair or individually,you can chose the weight based on your workout.theyre also a convenient option that can be used pretty much anywhere: the gym, home, and even outdoors.
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#5
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Hacienda 7-Piece 20 Kg Weighted Dumbbell Set with Rack - 2Kg, 3Kg & 5 Kg Cast-Iron Core & Neoprene Weight Sets For Weight Lifting, Strength Training, Full Body Workout - Black

Brand: Hacienda
$99.95
⭐ 4.7
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    7 PIECE 20KG DUMBBELL SET - Sculpt, tone and strengthen your body core with our Hacienda gym set range. Made of premium quality cast-iron core and neoprene finish, this dumbbell set features comfortable handles for a strong and sturdy grip.
  • 2KG, 3KG & 5KG DUMBBELL SET WITH RACK- Our 7-piece weighted dumbbell set comes pre-packaged with three sets of colour-coded variable-weighted dumbbells totalling a mass weight of 20 kilograms, as well as a heavy-duty dumbbell rack.
  • STRONG & STURDY GRIP - Colour-coded with large visible markings for easy and clear weight identification. With the comfortable grip and neoprene material wrapped around a cast-iron core, these soft-touch skin-friendly dumbbells will not cause calluses on the palms.
  • ROUNDED & FLATTENED ENDS, NO FLOOR DAMAGE - Effective and functional, our dumbbell set stays odour-free as its non-porous surface makes for easy sanitation after use. The rounded and flattened ends protect against unwanted rolling and the neoprene finish helps protect against floor damage.
  • IDEAL GIFT FOR FITNESS ENTHUSIASTS - Ideal training equipment for burning fat, muscle growth, training the core, increasing stamina, building up resistance, coordinating muscle groups and training the full-body, indoor or outdoor training.
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#6
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PROIRON Neoprene Dumbbells Set Weights Exercise & Fitness Dumbbells (10kg×2 Black)

Brand: PROIRON
$119.99
⭐ 4.4
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    About This DumbbellYou are currently viewing #9 Black: weight 10kg 2; 26.37cm in length 12.5cm in width 11.78cm in height. The diameter of the handle is about 36mm.Please refer to the weight selection suggestion chart to choose the dumbbell weight that suits you.
  • MaterialCast iron + Neoprene.Premium solid integrally cast iron inside with soft touch neoprene coated, no smell.
  • Textured SurfaceEasy to grip, comfortable hand-feel, don't slip out when sweaty.
  • Anti-rollingIt has a Designed shape to stop rolling away on the floor, easy storage.
  • Multi-coloredThe soft neoprene surface is superfine processing, easy to clean. Beautiful colors bring you a good mood for strength training.
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#7
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Yes4All Adjustable Cast Iron Dumbbell Sets 40LBS/18KGS, 60LBS/27KGS with Alloy Steel Connector Option for Strength Training, Full Body Workout, and Muscle Building

Brand: Yes4All
$64.08
⭐ 4.1
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    SET OF 2 DUMBBELLS 40LBS (18KGS) TOTAL: TWO 14inch x 1.15inch handles, FOUR 2.5lbs(1.13kgs) plates, FOUR 5lbs(2.3kgs) plates, FOUR collars, TWO bar handle 5lbs(2.3kgs)
  • CAST IRON WEIGHT PLATES FIT 1.15 INCH STANDARD BAR: Accommodate all standard 1.15 inch handles; durable cast iron plates covered with black paint finish preventing rust and corrosion for lifetime use
  • 14 INCH DIAMOND KNURLED HANDLE: Constructed of high quality, textured handle for secure, firm, and non slip grip
  • STAR LOCK COLLARS: Threaded ends with star lock collars provide a secure workout and easy weight plate changes
  • EASY USE and STORAGE: Take seconds to assemble and take out; compact, convenient, and easy to use and store; all for one dumbbells eliminate the need for multiple dumbbells in your workout space
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#8
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Li Fitness 20KG Cast Iron Adjustable Dumbbell Set 3 in 1 Kettlebell Set Barbell Set Exercise Fitness Dumbbells for Home Gym Training Weight Lifting Bodybuilding Exercise

Brand: LI FITNESS
$109.99
⭐ 4.1
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    What You GetThe 20KG adjustable dumbbell set comes with a pair of gloves, nuts 4, dumbbell bar 2, barbell connector 1, 0.5kg dumbbell plates 4, 1.25kg dumbbell plates 4, 2.5kg dumbbell plates 4.
  • Box PackageExercise & fitness dumbbells are packed with one black box. When you finish your daily exercise, you can put them into box and it can help you save its storage space. Most importantly, it's convenient to carry anywhere.
  • Anti Slip DesignThe grip of dumbbell bar is designed with anti slip pattern. The design provides you with double safety guards.
  • Versatile FunctionThe 20KG barbell set not only could be used as dumbbell but also as barbell. The gloves could keep your hands from calluses and protect your wrist.
  • Sydney-Based Service CenterWe have a dedicated service center in Smithfield Sydney specializes in providing rapid and trustworthy assistance. Whether it's answering your questions, handling warranty claims, or sourcing spare parts, we're here to offer seamless support.
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#9
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METEOR 20kg Adjustable Dumbbell Set, One Set for All, Dumbbell and Barbell, Compact Hand Weight Set - Solid Cast Iron Plate with Steel Handle - Upgradable Home Gym Exercise Weight Set

Brand: Meteor For The Winners
$134.95
⭐ 4.2
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    [OPTIMIZED FOR VERSATILITY]: Elevate your weight lifting routine with METEOR's Essential 20kg Cast Iron Dumbbell Set. The perfect addition to your home gym equipment, this set offers expansive training possibilities without breaking the bank. Easily progress by upgrading to 30kg or 40kg using our custom weight plate packs.
  • [INSTANT BARBELL TRANSFORMATION]: Amplify your weights workout with our included sturdy steel barbell connector. Seamlessly transition between adjustable dumbbell sets to a gym-ready barbell in seconds, maximizing the versatility of your fitness regime.
  • [SUPERIOR LOADING CAPACITY]: Dive deeper into your dumbbell workouts with our unique 14cm sleeves 5.5cm longer than most. These accommodate additional weight plates, ensuring your set evolves with your growing strength, eliminating the hassle of frequent gym equipment replacements.
  • [ENGINEERED COLLAR DESIGN]: Experience the next level in exercise & fitness dumbbells with our advanced locking collar. This innovative design counters the flaws of traditional spiral collars. Enhanced with a thicker build, rubber o-ring grip, and pivotal butterfly screws, you can trust in secure weight plate placement during intense workouts.
  • [STANDARDIZED & EXPANDABLE]: Sporting a consistent 1-inch/25.4mm diameter, our dumbbell and barbell set ensures compatibility with industry standards. Ready for the next challenge? Seamlessly upgrade with our 10kg or 20kg weight plate packs, paving your path to 30kg or 40kg prowess.
  • [PRECISION-CRAFTED COMPONENTS]: Every element, from the steel handles to the adjustable weights, has been meticulously crafted. Whether you're a beginner or a seasoned athlete, you can trust in the reliability of this dumbbell set for all your weightlifting sessions.
  • [UPGRADE-READY DESIGN]: Dreaming of lifting heavier? Our METEOR Essential Dumbbell Set is effortlessly scalable. Opt for our 10kg or 20kg Weight Plate Packs and take your training to new heights without buying an entirely new set.
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#10
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PROIRON 20kg Cast Iron Adjustable Dumbbell Set Hand Weight with Solid Dumbbell Handles Changed into Barbell Handily Perfect for Bodybuilding Fitness Weight Lifting Training Home Gym

Brand: PROIRON
$139.99
⭐ 4.1
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    The dumbbell set includes two handles, four 0.5kg plates, four 1.25kg plates, four 2.5kg plates, 4 collars, and a extended bar.
  • Strictly selected materials, free of phthalate and lead. Unique rubber O-ring anti-loose design.
  • Free connection steel tube to change dumbbell to barbell. Give you more functions to build up muscle. With the steel connection tube, you can add more weight plates from 4kg to 33kg (includes bar weight).
  • Ergonomic designed knurled handle grip makes your hands more comfortable.
  • 143mm wide hand grip part give more room for your hand to grip, making it easier to lift without bumping your wrists for doing certain exercises.
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