AJMD K
AJMD K Standard Cast Iron Weight Plates II
Cast iron disc pair with precision machined 28 mm center bore.
¥6900¥4900
- 2 standard cast iron weight plates (5 kg each)
- Cast in solid grey cast iron for reliable mass density
- Precision 28 mm center hole slides smoothly on standard bars
- Raised edge rim provides quick fingertip loading and carrying
- Finished with baked industrial powder coat to prevent rust
AJMD K Standard Cast Iron Weight Plates II
Select your plate set
1 Pair (5 kg x 2)
- ✓ Tracked dispatch
- ✓ Tamper-evident safety seal
- ✓ Ideal for a first order
- ✓ 30-day returns
2 Pairs (5 kg x 4)
- ✓ Tracked dispatch
- ✓ Lower per-unit price than a single order
- ✓ One delivery, no repeat orders
- ✓ 30-day returns
3 Pairs (5 kg x 6)
- ✓ Tracked dispatch
- ✓ Lowest per-unit price
- ✓ One delivery for the whole supply
- ✓ 30-day returns
Express 1-Click Order (Name + Phone)
Selected Package: 2 Pairs (5 kg x 4) (¥9200)
Returns within 30 days
You have 30 days from delivery to return the product under our Returns Policy. Contact our team to initiate.
R. Kojima
Cast iron plates with machined center holes protect the threading on dumbbell handles from stripping. The slim width gives lifters the room they need to progress safely.
Five reasons to upgrade to AJMD K plates
Compact Thickness
Load significantly more total weight on standard handles.
True 28 mm Bore
Smooth fit on standard bars without sticking or excessive play.
Grip Rim Contour
Easier to grab off flat rubber gym mats without pinched thumbs.
Industrial Finish
Powder coat resists chipping during heavy plate-to-plate contact.
Safe Transit Boxing
Foam-cushioned double-box prevents courier drops from breaking rims.
How slim cast iron maximizes your bar capacity
Gravity Casting
Solid grey cast iron is molded into a slim disc profile.
Center Bore Machining
Hole is bored to 28 mm tolerance for consistent fit.
Protective Coating
Industrial powder coat seals against rust from humid air and sweat.
Edge Packing
High-density cardboard and foam cushion the rims for delivery.
Double-Wall Plate Box
Separated by foam layers inside high-density cardboard. Prevents metal-on-metal collision during delivery handling.
Add weight to your standard bar setup
Fast insured dispatch with real-time shipment tracking.
Reviews from standard bar lifters
"Fits my 28 mm dumbbell handles perfectly. Much thinner than the plastic cement plates I was using, so I can fit more on the bar."
Hiroshi N.
Customer
"Easy to grab from the floor because of the raised rim. Clean powder coat with no sharp metal flashings."
Sora Y.
Customer
"Weighed both plates on my scale and they came out right on target. Packaging was very sturdy with dense foam."
Junpei O.
Customer
Plate questions and compatibility
What bar diameter do these plates fit? +
These plates feature a 28 mm center bore, designed for all standard 28 mm bars and dumbbell handles.
Are these plates sold as a single plate or a pair? +
They are packaged and sold as a pair, containing two 5 kg plates for a total of 10 kg.
How do I pay for my order? +
Our store accepts cash on delivery and bank transfer only.
Will these plates fit on Olympic 50 mm bars? +
No, these are standard plates with a 28 mm hole, not 50 mm Olympic sleeves.