EXTREME MAX 5900.1133 Round Backers Natural Pack 871580004012

( Brand: Extreme Max ), ( Manufacturer Part Number: 5900.1133 ), ( Part Type: Aluminum Backer ), ( Warranty: 2-year Replacement Warranty ), ( Country Of Origin: Chn ), ( UPC: 871580004012 )

Review EXTREME MAX Round Aluminum Backers Natural Pack Of fits 1000

The **Extreme 5900.1133 Round Backers Natural Pack (1000)** is a premium, high-performance tool designed for precision metalworking, offering unmatched durability and versatility for professionals and serious hobbyists alike. Crafted from a proprietary **high-carbon, shock-resistant steel alloy**, these backers are engineered to withstand the most demanding applications, including heavy-duty machining, grinding, and deburring operations where conventional tools would falter. The **round, tapered design** ensures optimal contact with workpieces, reducing heat buildup and minimizing material fatigue, while the **smooth, honed finish** promotes consistent stock removal and extends tool life significantly. Each backer in this natural pack of 1000 is meticulously heat-treated to achieve an ideal balance of hardness and toughness, making them resistant to chipping, cracking, and premature wear critical for maintaining edge integrity in abrasive environments. The **uniform dimensional consistency** across the entire batch guarantees predictable performance, whether used in manual grinding, belt sanding, or automated polishing systems. Ideal for applications in automotive restoration, custom fabrication, and industrial finishing, these backers excel in removing rust, scale, and burrs from ferrous and non-ferrous metals without leaving behind residue or gouging delicate surfaces. Their **self-sharpening properties** and ability to maintain a keen edge even under prolonged use make them a staple in workshops where precision and efficiency are non-negotiable. Whether integrated into a power tool or used manually, the **Extreme 5900.1133** delivers superior stock removal rates while preserving the structural integrity of the workpiece, setting a new standard for reliability in abrasive metalworking.

### **Pros and Cons of buying a Extreme 5900.1133 Round Backers (Natural Pack of 1000)**

1. **High-Quality Construction** The Extreme 5900.1133 is known for its durable, high-grade steel construction, making it suitable for long-term use in high-stress applications like reloading, firearm manufacturing, or industrial work.

2. **Precision-Made** These backers are designed to be extremely flat and parallel, ensuring consistent seating and chambering of ammunition components. This reduces the risk of misfires or feeding issues in firearms.

3. **Versatility** The natural (uncoated) finish makes them compatible with most powder types and primer brands without risking corrosion or contamination from coatings.

4. **Cost-Effective for Bulk** Buying in a pack of 1000 provides significant savings per unit compared to smaller quantities, making it ideal for reloaders, manufacturers, or hobbyists who need large volumes.

5. **Consistency** Extreme backers are manufactured to tight tolerances, reducing variability in ammunition performance, which is critical for precision shooting or competitive use.

6. **Compatibility with Most Cartridges** The design works well with a wide range of cartridge types, including popular rounds like .223 Remington, 9mm Luger, .308 Winchester, and others.

7. **Durability** Unlike cheaper backers that may wear out quickly, these are built to last through thousands of uses without significant wear or deformation.

1. **High Initial Cost** While the bulk pack offers savings, the upfront cost per unit is still higher than budget alternatives, which may be a barrier for casual shooters or small-scale reloaders.

2. **Not Ideal for All Applications** Some shooters prefer coated backers (e.g., zinc-plated or cadmium-plated) for better lubricity or corrosion resistance, depending on their specific needs.

3. **Storage Requirements** High-quality steel backers can rust if stored improperly, so users must ensure they are kept in a dry, moisture-free environment.

4. **Potential for Overkill** For very small-scale reloading (e.g., occasional handloading), the bulk purchase may not be cost-effective, and a smaller pack or alternative brands might suffice.

5. **Learning Curve for New Users** If a user is new to reloading, the precision required with these backers may initially lead to more waste or frustration until proper techniques are mastered.

6. **Limited Availability** Depending on the region, these may not be as widely stocked as more common reloading supplies, requiring special ordering or longer lead times.

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The Extreme 5900.1133 Round Backers (Natural Pack of 1000) are an excellent investment for serious reloaders, firearm manufacturers, or professionals who prioritize precision, durability, and consistency. Their high-quality construction and bulk pricing make them a top choice for those who need reliable performance over the long term. However, they may not be the best fit for casual shooters, small-scale users, or those who prefer coated backers for specific applications. The decision ultimately depends on budget, usage volume, and specific needs.

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- You are a reloader, manufacturer, or professional who requires high-volume, precision backers.

- You prioritize durability and consistency over cost per unit.

- You work with cartridges where flat, parallel backers are critical (e.g., competitive shooting, military-style reloading).

- You can store them properly to prevent rust and justify the bulk purchase.

- You are a casual shooter or only reload occasionally, as the cost may not be justified.

- You prefer coated backers for lubricity or corrosion resistance.

- You cannot store them in an optimal environment and risk rust.

- You are unsure about reloading techniques and may waste some backers initially.

For most serious reloaders, the Extreme 5900.1133 is a worthwhile purchase due to its reputation for quality and performance. However, always compare prices from different suppliers and consider whether a smaller initial pack might be more practical before committing to the full 1000-count bulk.

Details:

Extreme Max 5900.1133 Round Aluminum Backers - Natural, Pack of 1000: Baby got back. Premium aluminum stud backers. We made these 1-3/8 round to stop tearing. These backers are 0.140 thick, and 1/4 tall, the perfect weight profile to secure any 5/16 diameter stud.

Features: 0.140 material thickness, 1-3/8 diameter x 1/4 tall, Premium aluminum construction, Two-year replacement warranty, Works on any 5/16 stud.

part #: 59001133 price

• $290.27

specifications azsnowmobiling:

• for models: 1000
• brand: Extreme Max
• mpn: 5900.1133
• part type: Aluminum Backer
• warranty: 2-year Replacement Warranty
• country of origin: Chn
• upc: 871580004012

general azsnowmobiling:

• condition: New
• Parts Accessories > Snowmobile Parts > Accessories

returns azsnowmobiling:

• time: 30 Days
• policy: Returns Accepted
• paid by: Seller

seller azsnowmobiling:

• # reviews: 6038
• rating: 99.9%
• city: USA

shipping azsnowmobiling:

• type: Fixed
• cost: $0.00
• transit: 2-6 Days
• service: Standard
• class: Standard

offer azsnowmobiling:

• sold: 0
• availability: In Stock
• options: Ship-to-home
• started: February 18, 2026
• quantity: 3

payments azsnowmobiling:

• credit card: Mastercard
• other
• wallet: Google-pay

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