Fractional Iron Plates - 0.5 LB

Name: Fractional Iron Plates - 0.5 LB
Brand: Bells of Steel
Rating: 3.22 (3 reviews)

Bells of Steel’s Fractional Iron Plates - 0.5 LB are cast-iron micro-loading plates for barbell work, sold as a set of 8 (2lbs per side, 4lbs per pair). Instead of forcing 5-10lb jumps on exercises like overhead presses and biceps curls, they let you add weight in smaller 1-4lb increments – useful once a lift’s normal plate jump starts stalling progress. Each plate has a hexagonal profile, a 52mm center hole sized for a standard 2” Olympic barbell sleeve, and a guaranteed weight tolerance of +/-16 grams. They’re cast rather than machined, so the manufacturer notes minor cosmetic blemishes are standard; they ship in gray or black.

Buying guide

Best Weight Plates for Your Home Gym — July 2026 Bumper Plates or Iron Plates? How to Pick Your First Set — July 2026 Do You Need Calibrated or Competition Plates? — July 2026 How Much Do Weight Plates Cost Per Pound? — July 2026 What Weight Set Should a Beginner Buy? — July 2026 Will Dropping Weights Damage Your Floor? — July 2026

Colors	Gray or Black
Design	Hexagonal profile
Finish	Cast (not machined) -- minor cosmetic blemishes are standard
Material	Cast iron
Center hole	52mm (fits standard 2" Olympic barbell sleeve)
Weight increment	0.5 lb per plate
Weight tolerance	+/-16 grams
Set configuration	Set of 8 plates (2 lbs per side, 4 lbs per pair)

What is a Weight Plate?

What weight plates are

Weight plates load your barbell — but “plate” covers two very different tools. Bumper plates are rubber discs around a steel hub, all the same ~450mm diameter, built to be dropped from overhead without damaging your floor or bar; they’re the default for Olympic lifting and CrossFit. Iron/steel plates are denser and thinner per pound, cheaper, and quieter to load, but most aren’t made to be dropped — better for slow, controlled powerlifting-style work.

What actually matters

Bumper vs. iron. Buy bumpers if the bar might hit the floor; iron (or rubber-coated iron) for controlled lifts and compact loading.
Weight tolerance. How far a plate strays from its stated weight (±1% is tight, ±3% loose). It barely matters for general training but adds up if you chase a specific total — which is why serious lifters add small change / fractional plates.
Collar fit & bounce. The center hole should fit your bar’s sleeve snugly; rubber durometer (around 88 Shore A) controls how “dead” a dropped plate lands.
Coating & set composition. Virgin rubber holds up and smells less than recycled crumb rubber; plan a starting set (usually a pair each of 45/25/10/5 lb plus change plates) around the lifts you actually do.

Who it’s for

Every barbell gym needs plates. Most home lifters should start with a bumper set, then add iron, change, or specialty plates as a second purchase once they know what their training is missing.

How it compares

	Fractional Iron Plates - 0.5 LB	Iron Grip Urethane Olympic Barbell Plates UPT12	Captain America Weight Plates	Fitvids Cast Iron 2-Inch Olympic Plate
GymRadar rating	3.22/5	3.27/5	3.33/5	3.11/5
Price	$31.99	$15.40		$11.33
Colors	Gray or Black
Design	Hexagonal profile		Officially licensed Captain America shield graphic, raised weight lettering, Onnit + Hero Elite Series branding
Finish	Cast (not machined) -- minor cosmetic blemishes are standard			Black baked enamel (rust/corrosion resistant)
Material	Cast iron	cast iron core, urethane coating	Urethane exterior over a solid steel core	Cast iron
Center hole	52mm (fits standard 2" Olympic barbell sleeve)		Standard 2" Olympic bore; reviewers note it fits looser than most premium urethane plates
Weight increment	0.5 lb per plate
Weight tolerance	+/-16 grams
Set configuration	Set of 8 plates (2 lbs per side, 4 lbs per pair)

3.2/5 · 3 GymRadar reviews

Reviews by source

Expert	3.22/5	3 reviews
Retailer	4.9/5	37 reviews
Youtube	4.0/5	2 reviews
Reddit	3.5/5	1 reviews

Bells of Steel’s fractional plates do what they promise: half-pound cast-iron hex plates that let you micro-load presses and curls in 1lb jumps instead of the usual 5lb barbell-plate increments, and they fit any 2” Olympic sleeve. Functionality is the standout – an independent reviewer weighed a set himself and confirmed they land right at spec, and owners like that they’re compact enough to toss in a gym bag. Build quality is the weakest dimension: because these are cast rather than machined, GymRadar reviewers report inconsistent finish and, in one case, up to half an ounce of variance between individual plates in the same set, so buyers chasing calibrated accuracy should look elsewhere.

+Functionality: an independent reviewer weighed the plates himself and confirmed they land right at the stated half-pound spec (YouTube: Starting Strongman)
+Functionality: hexagonal design with a 52mm center hole fits any 2" Olympic barbell sleeve, and one GymRadar owner confirmed all of hers were within the stated tolerance (manufacturer; GymRadar)
+Versatility: compact enough to toss in a gym bag and travel with, unlike bulkier fractional-plate designs (YouTube: Starting Strongman)
+Value: r/Calgary commenters flag this set as one of the better-priced fractional options compared to buying single pairs (Reddit: r/Calgary)

−Build quality: cast (not machined) construction leads to inconsistent finish, and one owner reports up to half an ounce of variance between individual plates in the same set (GymRadar)
−Value: at $31.99-33.99 for a set of 8 (roughly $6-7/lb), two of three GymRadar reviewers called the price steep for the accuracy delivered (GymRadar)
−Durability: no long-term ownership data available -- coverage so far is unboxing-level weight checks and short reviews, not multi-year wear reports
−Build quality: GymRadar's sample is small (n=3) and split, ranging from 4.33/5 to 1.67/5 for the same product (GymRadar)

$31.99

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