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Machined Iron Olympic Weight Plates

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Precision machined plates with a guaranteed weight tolerance of +/- 1% for 45, 35, and 25 and +/- 3% for 10, 5, 2.5 and precision fit 50.5mm center hole.

$8.99$1,544.99

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     TRUSTED SINCE 2010

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Machine Iron Plates set

Craft your own personalized Machined Olympic Plates Custom Set by choosing a minimum of 3 pairs, and get 10% off.

Precision Weight Plates, Machined to Perfection.

Weight is weight, right? Your plates should add weight to the bar; that’s their job; it’s not rocket science!

But what if I told you your sloppy, 45lb plates you got for your 16th birthday from the local big box store were lying to you? The process of casting molten hot iron into moulds can be fickle.

Cast plates manufactured without proper quality control protocols can have as much as 4lbs weight variance, meaning you might have 41lbs on one side of the bar and 48lbs on the other side; leaving you prone to injuries from imbalanced bars, or even worse, finding out at your competition that you are 10lbs weaker than you thought, and missing the gold medal!

Our new machined iron plates are cast in a specialty casting factory with over 40 years of experience, then finished on a lathe that shaves of excessive weight from the back of the plate, followed by polishing and machining edges for an even smoother, more aesthetic plate.

The machined plates are a guaranteed tolerance of +/- 1% for 45, 35, and 25 and +/- 3% for 10, 5, 2.5. However, in our strict quality control and inspection, most plates are under that tolerance, and many fall within 10 grams of the claimed weight.

But we don’t stop there; the holes of the plates are cast smaller than the Olympic bar sleeve diameter of 2 inch/50mm and is then drilled out with a guaranteed precision hole fit of 50.5mm +.4mm tolerance, meaning your plates fit snug and erect on your bar.

Finally, the plates are smoothed, and any excess dirt/dust is flamethrowered off before being finished with an ultra-durable hammertone powder coat.

This additional precision work makes for a more expensive (albeit worth it!) weight plate. If you’re looking for excellent quality but a less precise plate, be sure to check out our mighty grip iron plates.

Specs

BrandBells of Steel
Weight Increments0.5/2.5/5/10/15/25/35/45
Pounds or KilogramsPounds
ThicknessVaries - See Images
Plate DiameterVaries - See Images
Centre Hole Diameter1.99"/50.5mm
ColourGray
MaterialMachined Iron
FinishSemi-Gloss
CoatingHammertone Powder Coat
Weight Tolerance+/- 1% for 45, 35 & 25
+/- 3% for 15, 10, 5 & 2.5
Warranty5 Years

Outfitting your commercial gym?
Customized plates with your brand’s logo on them are available for bulk orders.
 Contact Us 

Dimensions Chart

Weight (lbs/kg)Weight Tolerance %Tolerance +/- GramsDiameter (+-.5mm tolerance)Thickness (in/mm)
45/20.411%2044501.2/31
35/15.881%1593541.2/31.5
25/11.341%113.52771.3/34
15/6.83%2042570.8/22.2
10/4.543%1362260.89/22.7
5/2.273%681970.6/15
2.5/1.133%341350.6/14

5-Year Light Commercial Warranty against breakage. 

5-Year Light Commercial Warranty
against breakage.

Customer Reviews
4.9 Based on 77 Reviews
5 ★
94% 
72
4 ★
6% 
5
3 ★
0% 
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2 ★
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Customer Photos
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CD
02/05/2024
Cailean D.
US US

Great machining and finish.

I scoured the internet for the smallest diameter plates for my tibialis machine. The 25’s are compact and keep me from running out of 10s. I have only bought some odds and ends from BoS but I am always happy with the products.

  • My Fitness Goal Is: Avenge my fathers death.
Bells of Steel Machined Iron Olympic Weight Plates Review
02/06/2024

Bells of Steel

Hi Cailean, Thank you so much for the great review of our 25lbs machine plates today. We are so glad you have enjoyed these and with your service from us. We hope to serve you again soon ! Yours in strength, Marcus & the BoS team

A
04/28/2023
Alister

Great plates, poor shipping

I ordered 2 pairs of 25lb plates and one pair of 10s, and they're all within the 1% tolerance. I give them 5 stars on that front. One of the 10lb plates has a small manufacturing defect, but it's no big deal. The 2 25lb pairs shipped separately, and they both arrived in pretty beat up packaging. The first package was literally falling apart. The second was just beat up and tearing. 3 of the 4 25s ended up with chipping from the rough delivery. I'm overall very happy with them, but i have to withhold a star for all of the chipping. It's unclear if this was UPS's fault or if they just needed better packaging.

  • My Fitness Goal Is: Strength and hypertrophy
Bells of Steel Machined Iron Olympic Weight Plates ReviewBells of Steel Machined Iron Olympic Weight Plates ReviewBells of Steel Machined Iron Olympic Weight Plates ReviewBells of Steel Machined Iron Olympic Weight Plates ReviewBells of Steel Machined Iron Olympic Weight Plates Review
05/01/2023

Bells of Steel

Hi Alister, Thank you for reviewing our machined olympic plates. We are happy to hear you have been satisfied with these overall. We are sorry to hear about the beat up packaging and chipping caused to your new equipment. We will be reaching out shortly regarding this. Sincerely, Marcus & the BoS team

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