KOMATSU 3EC-21-52220 Bolt

( Brand: Komatsu ), ( Model: BOLT 3EC-21-52220 ), ( Part Type: Bolt ), ( Country/region Of Manufacture: Japan ), ( Manufacturer Part Number: 3EC-21-52220 )

Review KOMATSU Bolt

Komatsu 3EC-21-52220 Bolt - High-Performance Fastener for Heavy-Duty Equipment

The Komatsu 3EC-21-52220 bolt is a critical component designed for use in heavy-duty equipment applications. This high-strength bolt is engineered to provide superior load-bearing capacity, ensuring the reliable operation of Komatsu machinery and equipment.

The 3EC-21-52220 bolt is manufactured using SAE J429 Grade 8 material, which offers a tensile strength of approximately 120,000 psi (831 MPa). This high tensile strength is essential for withstanding the extreme loads and stresses encountered in heavy-duty applications.

The bolt features a hexagonal head design, allowing easy application and removal using standard hexagonal wrenches. The head is also designed to provide a secure grip, preventing the bolt from spinning during the tightening process.

This Komatsu bolt boasts a superior thread form, specifically the UNC (Unified National Coarse) thread pattern. The UNC thread pattern offers excellent thread engagement, ensuring a strong and reliable connection between the bolt and the mating parts.

The 3EC-21-52220 bolt's high-strength material and superior thread form make it suitable for various heavy-duty applications, including the securing of heavy components, transmission mounts, and engine components.

Additionally, the bolt undergoes rigorous testing to ensure its ability to meet Komatsu's stringent quality standards. This testing includes tensile testing, torque testing, and proof loading, ensuring that every bolt meets the required specifications and can withstand the demands of heavy-duty applications.

In conclusion, the Komatsu 3EC-21-52220 bolt is a high-performance fastener designed for use in heavy-duty applications. Its high-strength material, superior thread form, and stringent quality testing make it an essential component for the reliable operation of Komatsu machinery and equipment.

The Komatsu 3EC-21-52220 bolt is a heavy-duty fastener used in construction equipment applications. Here are some potential pros and cons of buying this bolt:

1. High Strength: This bolt has a tensile strength of 210 ksi, making it suitable for use in heavy-duty applications where high load-bearing capacity is required.

2. Corrosion Resistance: The bolt is made of SAE 4340 alloy steel, which provides good resistance to corrosion, making it ideal for use in harsh environments.

3. Long Service Life: The high strength and corrosion resistance of the bolt result in a long service life, reducing the need for frequent replacements.

4. Interchangeability: This bolt is interchangeable with other similar bolts from different manufacturers, making it a convenient choice for those who need to replace bolts from various sources.

1. Cost: Due to its high strength and durability, the Komatsu 3EC-21-52220 bolt is more expensive than standard bolts.

2. Availability: This bolt may not be readily available in local hardware stores or online marketplaces, and special orders may be required.

3. Torque Requirements: Applying the required torque to this bolt can be a challenge due to its high strength, and over-torqueing can result in damage to the equipment or the bolt.

The Komatsu 3EC-21-52220 bolt is a high-performance fastener designed for use in heavy-duty construction equipment applications. Its high strength, corrosion resistance, and long service life make it an excellent choice for those who require reliable and durable bolts. However, its cost and availability may be limiting factors for some buyers, and the application of the required torque can be a challenge.

If you require bolts for heavy-duty applications where high load-bearing capacity and corrosion resistance are essential, then the Komatsu 3EC-21-52220 bolt is an excellent choice. However, if cost and availability are a concern, you may want to consider alternative bolts that offer similar performance but are more widely available and cost-effective. Additionally, ensure that you have access to the necessary torque tools and follow the recommended torque specifications to avoid damaging the bolt or the equipment.

Details:

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part #: 3ec2152220 price

• $11.69

specifications heavyaccoutrement:

• brand: Komatsu
• model#: BOLT 3EC-21-52220
• part type: Bolt
• country/region of manufacture: Japan
• manufacturer part number: 3EC-21-52220

returns heavyaccoutrement:

• time: 30 Days
• method: Money back
• paid by: Seller
• policy: Returns Accepted

offer heavyaccoutrement:

• availability: In Stock
• sold: 0
• started: July 11, 2025
• best offers: True
• options: Ship-to-home
• quantity: 4

general heavyaccoutrement:

• Heavy Equipment, Parts Attachments > Heavy Equipment Parts Accessories > Hardware Parts
• condition: New

seller heavyaccoutrement:

• city: Costa Mesa, California
• rating: 98.8%
• # reviews: 6868

shipping heavyaccoutrement:

• cost: $0.00
• carrier: USPS, UPS
• class: Expedited, Standard
• transit: 4-10 Days
• service: USPS Priority Mail, UPS Ground
• type: Fixed

payments heavyaccoutrement:

• wallet: Paypal
• credit card: Discover
• other

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