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  3. STEVENS LAKE OTK20-0146

STEVENS LAKE PARTS OTK20-0146 Bolt 8T8911 5/16-18X2

fits make: Caterpillar.

Otk20-0146 Stevens Lake Parts 8t8911 5/16-18x2 Nc Bolt Fits Caterpillar Industrial Models

( Brand: Stevens Lake Parts ), ( Manufacturer Part Number: OTK20-0146 ), ( Compatible Equipment Make: For Aftermarket ), ( Compatible Equipment Type: Industrial Construction ), ( Part Type: Bolts ), ( Type: Dozer Parts )

Review STEVENS LAKE PARTS 5/16-18x2 Nc Bolt Caterpillar Industrial Model's

The **Stevens OTK20-0146 8T8911 5/16-18 x 2 NC Bolt** is a precision-engineered, heavy-duty fastener designed specifically for Caterpillar machinery, ensuring seamless integration with the brand s robust equipment while delivering unmatched reliability under extreme operational conditions. This bolt features a **5/16-inch (0.3125") diameter** with an **18 threads per inch (TPI) coarse thread pitch**, providing a secure and durable connection capable of withstanding high tensile loads and vibrational stresses common in industrial and construction environments. The **NC (National Coarse) thread form** ensures compatibility with standard Caterpillar components, while the **2-inch (2") length** strikes a balance between structural integrity and installation flexibility, making it ideal for applications requiring moderate to heavy-duty fastening without excessive material waste. Crafted from high-quality **carbon steel**, this bolt is heat-treated to achieve an optimal balance of strength and toughness, ensuring resistance to fatigue, corrosion, and sudden impact forces that could compromise weaker fasteners. The **black oxide or zinc plating** (depending on the specific variant) enhances its resistance to rust and abrasion, extending the bolt s service life in harsh environments where moisture, dirt, and chemical exposure are prevalent. Whether securing critical components in excavators, bulldozers, or other Caterpillar equipment, this bolt guarantees a tight, vibration-resistant fit, reducing the risk of loosening or failure over time. Its **OEM-grade quality** ensures full compatibility with Caterpillar s engineering standards, making it a trusted replacement part for maintenance and repair operations where precision and durability are non-negotiable.

**Pros and Cons of buying a Stevens OTK20-0146 (8T8911, 5/16-18x2 NC Bolt for Caterpillar)**

### **Pros:**

1. **Compatibility with Caterpillar Equipment** This bolt is specifically designed for Caterpillar machinery, ensuring a proper fit and reducing the risk of misalignment or failure. It is part of the **8T8911** series, which is commonly used in heavy-duty applications like tracks, rollers, and hydraulic systems.

2. **High-Quality Material** Stevens is a reputable manufacturer known for producing durable, high-strength fasteners. The **5/16-inch diameter** and **18 threads per inch** suggest it is built for heavy loads, making it suitable for industrial and construction environments where wear and tear are significant.

3. **National Coarse (NC) Thread Standard** The **NC thread** is a common standard in the U.S., ensuring availability and ease of replacement. This means you won t have trouble finding replacements if needed.

4. **Precision Engineering** The **OTK20-0146** designation implies it is likely a **through-hole bolt** with a specific thread pattern optimized for Caterpillar s engineering requirements. This reduces the risk of stripping or loosening under vibration.

5. **Widely Available** As a standard Caterpillar part, this bolt is likely stocked by authorized dealers, online marketplaces (e.g., Grainger, MRO suppliers), and aftermarket vendors. This makes sourcing easier than specialized or discontinued parts.

6. **Cost-Effective for Long-Term Use** While the upfront cost may be higher than generic bolts, its durability and compatibility reduce the likelihood of frequent replacements, saving money over time.

7. **Backed by Warranty or Guarantee** Reputable suppliers (especially authorized Caterpillar or Stevens dealers) may offer warranties or return policies, providing peace of mind against defects.

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### **Cons:**

1. **Potential Overkill for Light-Duty Use** If you re using this bolt in a non-Caterpillar application or a lighter-duty setup, it may be **more expensive than necessary**. A standard bolt of similar size but lower grade could suffice.

2. **Higher Cost Than Generic Bolts** Since this is an **OEM or OEM-equivalent part**, it will likely cost more than a generic bolt from a big-box store. For example, a basic 5/16-inch NC bolt might be available for a fraction of the price.

3. **Risk of Counterfeit or Low-Quality Replicas** If purchasing from unverified sellers (e.g., eBay, Amazon third-party, or unlicensed suppliers), there s a chance of receiving **counterfeit or substandard bolts**. Always buy from **authorized dealers or trusted suppliers** to avoid this.

4. **Specialized Knowledge Required** Caterpillar equipment often requires **proper torque specifications** and installation methods. Using the wrong tool or technique (e.g., overtightening) could damage the bolt or surrounding components.

5. **Lead Time for Orders** While widely available, some specialized fasteners may have **longer lead times** if ordering from a distributor rather than an in-stock supplier. Check availability before placing an order.

6. **Potential for Overstocking** If you don t frequently work with Caterpillar machinery, buying multiple bolts upfront may lead to **unused inventory**, increasing storage costs.

7. **Compatibility Confusion** Some Caterpillar models may have **variations in bolt specifications** (e.g., different thread lengths or head styles). Double-check the **exact part number and application** to ensure this bolt fits your specific equipment.

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### **Conclusion:**

The **Stevens OTK20-0146 (8T8911, 5/16-18x2 NC Bolt)** is a **high-quality, reliable choice** for Caterpillar machinery, offering **durability, compatibility, and ease of replacement**. It is ideal for **heavy-duty applications** where failure is not an option, such as in construction, mining, or industrial settings.

However, if you re working on **non-Caterpillar equipment or lighter-duty projects**, the **higher cost and potential overkill** may not justify the purchase. In such cases, a **standard NC bolt of similar size** from a trusted supplier would be a more economical alternative.

### **Recommendation:** - **Buy this bolt if:**

- You are working on **Caterpillar equipment** (tracks, rollers, hydraulic systems, etc.).

- You need **long-term reliability** and are willing to pay for **OEM-quality parts**.

- You want **easy replacement availability** without compatibility issues.

- You re purchasing from an **authorized dealer or reputable supplier** to avoid counterfeits.

- **Avoid this bolt if:**

- You re using it in a **non-Caterpillar application** where a generic bolt would suffice.

- You re on a **tight budget** and can find an equally strong but cheaper alternative.

- You re unsure of the **exact fit** and risk damaging your equipment by using the wrong part.

- You don t have **proper tools or knowledge** to install it correctly (e.g., proper torque wrench settings).

**Final Verdict:** For **Caterpillar machinery**, this is a **strong, recommended choice**. For other uses, weigh the cost against alternatives. Always **verify compatibility** before purchasing.

Details:

PLEASE SAVE ALL ORIGINAL PACKAGING.!, Refer to for more details. Many things can play a factor such as Location, Weather, and the items in order. Normally same day if before 1PM EST. 8T8911 5/16-18X2 NC Bolt Fits Caterpillar Industrial model's.

One New Aftermarket Replacement Bolt Fits Various Caterpillar Industrial Construction model's. Replaces Part Numbers: OTK20-0146, 8T8911, 2B2694.

specifications automobilefluids:

  • for makes: Caterpillar
  • brand: Stevens Lake Parts
  • mpn: Otk20-0146
  • compatible equipment make: For Aftermarket
  • compatible equipment type: Industrial Construction
  • part type: Bolts
  • type: Dozer Parts

general automobilefluids:

  • Automotive Tools Supplies > Fluids Chemicals > Gear/Differential Oil
  • condition: New

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

offer automobilefluids:

  • started: March 14, 2026
  • availability: In Stock
  • best offers: True
  • options: Ship-to-home
  • quantity: 5
  • sold: 0

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seller automobilefluids:

  • city: Lansing, Michigan
  • # reviews: 148089
  • rating: 99.3%
for makes: caterpillar, compatible equipment make: for aftermarket, compatible equipment type: industrial construction, part type: bolts, type: dozer parts,
category: auto parts > tools supplies > fluids chemicals > gear/differential oil, sku: 12010029552606762,
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