2.5 KG Cast Iron Collars
2.5 KG Cast Iron Collars

2.5 KG Cast Iron Collars

SKU: W06AC003
SKU W06AC003 Category Tag

The 2.5 KG Cast Iron Collars by Alex Athletics offer rugged, professional-grade security for heavy training. Featuring a space-saving thinner profile, they allow for maximum plate loading on the barbell sleeve. Weighing a calibrated 2.5kg each, they replicate competition conditions. The durable powder-coated cast iron construction and patented T-screw locking mechanism ensure that plates remain tightly compressed and secure, eliminating rattle and shift. These collars are the durable, cost-effective choice for serious powerlifters and weightlifters who demand unshakeable stability.

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Rugged Reliability: 2.5 KG Cast Iron Training Collars

Training requires the same precision as competition, but demands even greater durability. The 2.5 KG Cast Iron Collars by Alex Athletics are the “workhorse” version of the competition collar. Made in Vietnam, these collars retain the exact 2.5kg weight and secure locking function of the chrome model but are constructed from rugged Cast Iron with a durable Powder Coated finish. This finish provides a tactile, grippy texture and superior resistance to chipping and corrosion in humid gym environments. The key innovation in this specific model (W06AC003) is its profile; Alex has engineered them to be thinner than previous designs. This slimming down is a strategic advantage, freeing up valuable real estate on the barbell sleeve to accommodate more weight plates—a critical feature for heavy squatters and deadlifters.

Like their chrome counterparts, these collars utilize a dual-sided locking design driven by a patented T-screw. This mechanism allows the user to crank the collar tight against the plate stack, compressing the weights into a solid block. This eliminates the distraction of rattling plates and the danger of load shifting mid-lift. While they lack the mirror shine of the competition version, their industrial black aesthetic signals that they are built for hard work. They offer the perfect balance of professional performance and cost-effective durability for commercial gyms, training halls, and serious home setups.

1. Space-Saving Thin Profile

Running out of sleeve space is a real problem for elite lifters. The Alex Cast Iron Collars feature a refined, thinner design compared to standard bulky collars. This extra millimeter of space allows you to slide on that one extra 25kg plate or fractional plate that might otherwise slide off. It maximizes the loading potential of your barbell.

2. Calibrated 2.5kg Training Weight

Train as you compete. These collars weigh 2.5kg each, ensuring that your training math aligns with competition standards. Using consistent collar weight allows you to track your progress accurately without the variability of light spring clips or plastic locks. It brings a professional standard to daily practice.

3. Durable Powder Coated Cast Iron

Cast iron is heavy, dense, and tough. The powder-coated finish adds a layer of protection that is grippier and more rugged than chrome. It resists the sweat and chalk of a training environment and hides scratches well. The industrial look fits perfectly in powerlifting clubs and hardcore gyms.

4. Patented T-Screw Lock

Security is the priority. The patented T-screw mechanism provides a mechanical advantage, allowing you to tighten the collar with significant force. Once locked, it stays locked. This prevents the “walking” of plates that can occur with high-rep touch-and-go deadlifts or repeated dropping of the bar.

5. Cost-Effective Performance

These collars offer the functional benefits of the high-end chrome competition collars—weight, security, and stability—at a more accessible price point. They are the smart choice for outfitting multiple platforms in a gym where function is prioritized over flash. They deliver 100% of the performance needed for heavy training.

Who is this for?

  • Powerlifting and Weightlifting training halls.
  • Lifters who need to load maximum weight (thin profile).
  • Gym owners seeking durable, low-maintenance heavy collars.
  • Athletes who want the stability of a 2.5kg collar for daily training.
  • Home gyms wanting competition-style security on a budget.

Product Specifications

Model W06AC003
Material Cast Iron, Powder Coated
Weight 2.5 kg/pc (5 kg/pair)
Dimensions L 130 x W 120 x H 52 mm
Feature Thinner Profile, T-Screw Lock

Sample Policy

We are happy to provide product samples for customers to evaluate quality or conduct testing. The process typically begins with a quotation based on the customer’s specifications.

Sample arrangements will be made based on the outcome of discussions between our sales team and the customer.

Order Process

After confirming the product requirements and other details with the customer, we will issue a Sales Confirmation for approval.

Payment terms and shipment arrangements will be determined based on the outcome of discussions between our sales team and the customer.

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Frequently Asked Questions (FAQ)

Please provide a detailed inquiry sheet including product specifications, materials, quantities, and any special requirements. We will offer a quotation based on your request.

Our quotations are typically based on FOB terms. However, we can also offer CFR, CIF, or other Incoterms upon request.

We operate on a made-to-order basis and do not hold stock.
Our standard MOQ is USD 15,000. Depending on the order composition, we may offer flexibility in certain cases.

By T/T – 30% down payment upon order confirmation, and 70% balance before shipment.

Our general lead time ranges from 30 to 45 days, depending on the order complexity and production schedule.
For more complex orders or during peak seasons, it may extend to 60–90 days.

2.5 KG Cast Iron Collars2.5 KG Cast Iron Collars
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