Black weight plate with 'Standard' and weight markings on a white background

Cast Iron Weight Plates

Pairs / 1.25 KG
£4.99
Sale price  £4.99 Regular price  £6.65
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Black weight plate with 'Standard' and weight markings on a white background

Cast Iron Weight Plates

In stock

Select Your Dumbbells:

Weight Price Qty Add Subtotal
Pairs 7 options
Pairs / 1.25 KG
Pairs / 1.25 KG 1.25 KG
£4.99
£0.00
Pairs / 2.5 KG
Pairs / 2.5 KG 2.5 KG
£9.99
£0.00
Pairs / 5.0 KG
Pairs / 5.0 KG 5.0 KG
£19.99
£0.00
Pairs / 10.0 KG
Pairs / 10.0 KG 10.0 KG
£39.99
£0.00
Pairs / 15.0 KG
Pairs / 15.0 KG 15.0 KG
£59.99
£0.00
Pairs / 20.0 KG
Pairs / 20.0 KG 20.0 KG
BEST VALUE
£79.99
£0.00
Pairs / 25.0 KG
Pairs / 25.0 KG 25.0 KG
£99.99
£0.00
Sets 6 options
Sets / 15KG Set
Sets / 15KG Set 15KG Set
£29.99
£0.00
Sets / 45KG Set
Sets / 45KG Set 45KG Set
£89.99
£0.00
Sets / 60KG Set
Sets / 60KG Set 60KG Set
£119.99
£0.00
Sets / 75KG Set
Sets / 75KG Set 75KG Set
£149.99
£0.00
Sets / 100KG Set
Sets / 100KG Set 100KG Set
£199.99
£0.00
Sets / 150KG Set
Sets / 150KG Set 150KG Set
£299.99
£0.00
Default Title
3-Tier Weight Tree & Bar Stand £114.99
£0.00
4ft Barbell & Clips / black
4ft Barbell & Clips / black £49.99
£0.00
4ft Barbell & Clips / silver
4ft Barbell & Clips / silver £49.99
£0.00
5ft Barbell & Clips / black
5ft Barbell & Clips / black £59.99
£0.00
5ft Barbell & Clips / silver
5ft Barbell & Clips / silver £59.99
£0.00
6ft Barbell & Clips / black
6ft Barbell & Clips / black £79.99
£0.00
6ft Barbell & Clips / silver
6ft Barbell & Clips / silver £79.99
£0.00
Default Title
Vertical Weight & Dumbbell Rack £149.99
£0.00
Default Title
Olympic 2" Spring Collars £6.99
£0.00
0 items 0.0kg £0.00
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Volume Rate: £0.00/kg
Add £500.00 more for FREE delivery

📊 Weight Guide

Weight Diameter Thickness Sleeve
1.25 kg 160 mm 12.4 mm 50 mm
2.5 kg 230 mm 16.2 mm 50 mm
5 kg 230 mm 21.7 mm 50 mm
10 kg 270 mm 34.4 mm 50 mm
15 kg 350 mm 34.4 mm 50 mm
20 kg 450 mm 33.6 mm 50 mm
25 kg 450 mm 36.6 mm 50 mm
Zoomed image

Often bought with

Olympic 2" Barbell
£66.65 £49.99
EVA Foam Puzzle Exercise Mat
£14.65 £10.99
Olympic Bumper Weight Plates
£6.99 £5.24
Pro Tip:

Build your complete home gym gradually - start with lighter weights for warm-ups and progressively add heavier pairs as your strength increases

UK Delivery (1-3 Days):

  • • Orders over £500: FREE Delivery
  • • Orders under £500: £4.99 per 30kg (calculated automatically)
  • • Orders placed before 2pm dispatched same day
180-Day Returns

Easy returns | Product refund guaranteed

Description

Train with confidence using Olympic 2" cast iron weight plates, built for serious lifters who demand durability and simplicity.

These solid cast iron plates feature a rugged black finish, engineered to handle high-impact exercises like deadlifts, presses, squats, and CrossFit‑style workouts. With weight options ranging from 1.25kg to 25kg, you can build your loadout whether you're just getting started or chasing PRs.

The 2‑inch precision‑milled centre delivers a snug fit on all standard Olympic barbells, hex bars, or even sledges. The classic disc design provides balance and grip convenience during plate changes, no bulky coatings, no distractions, just raw strength gear made to last.

Key Features at a Glance

  • Solid Cast Iron Construction: Built to withstand years of heavy lifting and high‑impact training
  • 2‑Inch / 50mm Precision‑Milled Centre: Snug, secure fit on all standard Olympic barbells
  • Rugged Black Finish: Durable coating resists rust and wear, maintaining a professional look
  • Wide Weight Range: Available as pairs from 1.25kg to 25kg – build your collection gradually
  • Complete Set Options: 15kg to 150kg sets for every training level and budget
  • Classic Disc Design: Balance and grip convenience during plate changes

Available Weights & Pricing

Weight (Pairs) Price
1.25 kg £4.99
2.5 kg £9.99
5.0 kg £19.99
10.0 kg £39.99
15.0 kg £59.99
20.0 kg £79.99
25.0 kg £99.99

Complete Set Options:

Set Price
15 kg Set £29.99
45 kg Set £89.99
60 kg Set £119.99
75 kg Set £149.99
100 kg Set £199.99
150 kg Set £299.99

Why Choose Cast Iron Plates?

  • Classic Feel: The satisfying clang of solid iron plates loading onto a barbell is unmatched
  • Durable Construction: Cast iron withstands years of heavy use without cracking or degrading
  • Slim Profile: Cast iron plates are thinner than rubber‑coated alternatives, allowing you to load more weight on the bar
  • Versatile Compatibility: Works with all standard Olympic barbells, dumbbell handles, hex bars, and sledges
  • Cost‑Effective: More affordable than bumper plates or urethane alternatives

UK Delivery

  • Orders over £500: FREE Delivery
  • Orders under £500: £4.99 per 30kg (calculated automatically)
  • Orders placed before 2 PM dispatched same day

180‑Day Returns – Easy returns | Product refund guaranteed

Goes Well With:

  • 3‑Tier Weight Tree & Bar Stand
  • Vertical Weight & Dumbbell Rack
  • Olympic 2" Barbell
  • Olympic 2" Spring Barbell Collars

Features

Key Features:

  • Heavy-Duty Solid Cast Iron Construction
    Manufactured from high-density cast iron, these Olympic weight plates are designed to endure years of demanding training. Their robust build delivers dependable performance through repeated drops, heavy lifting sessions, and everyday use in home or commercial gym environments.

  • Precision 2-Inch Olympic Fit
    Featuring a precision-machined 50mm centre hole, these plates slide securely onto all standard Olympic barbells, trap bars, and compatible loading equipment. The accurate fit helps minimise movement during lifts for improved stability and confidence under load.

  • Versatile Strength Training Essential
    Perfect for squats, deadlifts, bench presses, overhead presses, rows, lunges, and sled training, these cast iron plates form the foundation of effective resistance workouts. Their slim profile maximises barbell loading capacity, making them suitable for bodybuilding, functional fitness, and serious strength training.

  • Durable Black Protective Finish
    Finished with a rugged black coating, these plates offer increased resistance against rust, scratches, and cosmetic wear. The low-maintenance surface maintains a clean appearance while standing up to the demands of garage gyms, studios, and high-traffic training spaces.

  • Progressive Weight Options for Every Goal
    Available in 1.25kg, 2.5kg, 5kg, 10kg, 15kg, 20kg, and 25kg increments, these Olympic plates allow precise load adjustments to support progressive overload. Ideal for beginners, rehabilitation work, strength development, and advanced powerlifting programmes.

Specifications

  • Material: High-quality cast iron for maximum durability and performance.
  • Size: Available in various sizes with increasing thickness based on weight for optimal balance.
  • Hole Size: Precision-machined holes for a snug fit on Olympic bars, ensuring smooth loading and unloading.
  • Finish: Black powder-coated finish with silver lettering for added durability and a sleek look.

Plate Dimensions:

  • 1.25 kg: Diameter - 16 cm, Thickness - 12.4 mm, Sleeve - 50 mm
  • 2.5 kg: Diameter - 23 cm, Thickness - 16.2 mm, Sleeve - 50 mm
  • 5 kg: Diameter - 23 cm, Thickness - 21.7 mm, Sleeve - 50 mm
  • 10 kg: Diameter - 27 cm, Thickness - 34.4 mm, Sleeve - 50 mm
  • 15 kg: Diameter - 35 cm, Thickness - 34.2 mm, Sleeve - 50 mm
  • 20 kg: Diameter - 45 cm, Thickness - 33.6 mm, Sleeve - 50 mm
  • 25 kg: Diameter - 45 cm, Thickness - 36.6 mm, Sleeve - 50 mm

Key Features:

  • Standardized Diameter: All plates maintain a consistent 450mm diameter to meet IWF standards.
  • Durable Stainless Steel Inserts: Each plate comes with a high-quality stainless steel insert, ensuring a secure and snug fit on Olympic bar sleeves (50mm).
  • Perfect for Olympic Bars: Designed specifically to fit standard 50mm diameter bar sleeves, making them ideal for heavy lifting and ensuring a firm, stable grip during your workout.

Shipping & Returns

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