
USS3191-05050-4A Comparison
| photo | price | summary | rating |
|---|---|---|---|
![]() | $20.64 | Condition is New, 4 Pieces Stainless Steel 316 M5 Eye Bolt 5mm x 50mm 3/16" x 2" Marine Grade P..., FREE SHIPPING | 99.8% |
![]() | $21.89 | Top Pick! Condition is New, 4 Pieces M5 x 50mm 316 Stainless Steel Marine Grade Eye Bolt with Nut, FREE SHIPPING | 99.5% |
![]() | $23.09 | Top Pick! Condition is New, 4 PCS Stainless Steel 316 M5 Eye Bolt 5x50mm 3/16"x2" Marine Grade Pitch 0.8, FREE SHIPPING | 99.6% |
![]() | $24.36 | Top Pick! Condition is New, 4 PCS 316 Stainless Steel M5 Eye Bolt 5x50mm 3/16x2 Inch Marine Pitch 0.8, FREE SHIPPING | 99.8% |

The USS3191-05050-4A steel bolt is a high-quality fastener designed for various industrial and construction applications. This particular bolt is made of 316 stainless steel, which is known for its superior corrosion resistance and strength.
The size of this bolt is M5, which corresponds to a diameter of 5mm. The thread pitch is also 5mm, allowing it to effectively engage with M5 threaded components. The overall length of the bolt is 50mm, or 19.68 inches, providing ample length for securing thick materials or bridging larger gaps.
The head type of this bolt is M5 x 0.4, which is commonly referred to as a 3/16 inch bolt in the United States. This type of head provides a good balance between strength and accessibility, making it a popular choice for applications where the bolt head may need to be tightened or loosened frequently.
The USS3191-05050-4A bolt is manufactured to meet the stringent quality standards of the United States Department of Defense, ensuring that it is of the highest possible quality. Its 316 stainless steel composition makes it well-suited for use in marine, chemical, or other environments where exposure to corrosive substances is a concern.
This bolt is also suitable for use in high-temperature applications, as 316 stainless steel has a melting point of approximately 1493 degrees Celsius (2721 degrees Fahrenheit). Its excellent strength and durability make it an ideal choice for applications where safety and reliability are of paramount importance.
The USS3191-05050-4A steel bolt is shipped with the necessary washer and nut for a complete fastening system. It is packaged securely to ensure that it arrives at your facility in perfect condition, ready for use in your next project. Whether you are working on a construction site, in a manufacturing plant, or in any other industrial setting, this bolt is an essential tool that you can rely on for superior performance and longevity.
Pros and Cons of Buying 5mm x 50mm, 3/16" USS3191-05050-4A 316M5 Bolts
Introduction:USS3191-05050-4A 316M5 bolts are a type of stainless steel fastener used in various industries, particularly in marine, chemical, and food processing applications due to their high strength and resistance to corrosion. Here are some pros and cons to consider before making a purchase.
Pros:1. Superior Corrosion Resistance: The 316M5 grade of stainless steel is known for its excellent resistance to pitting and crevice corrosion, making it a popular choice for applications in harsh environments.
2. High Strength: These bolts have a tensile strength of 120 ksi (827 MPa), ensuring they can withstand significant loads and pressures.
3. Wide Applicability: The 5mm x 50mm size is common in various industries, and these bolts can be used in various applications, including structural, mechanical, and industrial fastening.
Cons:1. Cost: Stainless steel bolts, particularly those made of 316M5 grade, tend to be more expensive compared to their carbon steel counterparts.
2. Potential for Galvanic Corrosion: If used in combination with dissimilar metals, these bolts may experience galvanic corrosion, which can lead to premature failure.
3. Torque Requirements: Proper torquing is crucial to ensure the bolt's structural integrity. Failure to torque bolts correctly can result in loose connections or even catastrophic failures.
Conclusion:USS3191-05050-4A 316M5 bolts offer superior corrosion resistance, high strength, and wide applicability. However, they come with a higher cost and potential for galvanic corrosion. Proper handling, storage, and usage, including following recommended torque specifications, can help mitigate potential issues and ensure the best possible performance.
Recommendation:If you're in need of a bolt that can withstand harsh environments and high loads, the USS3191-05050-4A 316M5 bolt is an excellent choice. Ensure you purchase from a reputable supplier, follow proper handling and installation procedures, and budget accordingly for the higher cost compared to carbon steel bolts.
Details:
Is discontinued by manufacturer: no. #166 in eye bolts. Thread size: m5. Date first available: may 9, 2019.
Head style: hex. Corrosion and rust resistant - for a long service life. Not to be used for overhead lifting. Manufacturer: us stainless.
Package dimensions: 2.91 x 2.52 0.35 inches; 2.08 ounces. Exterior finish: stainless Steel.
specifications yofastener:
- brand: Steel
- mpn: Uss3191-05050-4a
- upc: 012785324666
shipping yofastener:
- service: expedited
- transit: 2-7 days
- type: fixed
- class: expedited
general yofastener:
- category: Home & Garden > Building Hardware > Nails, Screws > Fasteners
returns yofastener:
- paid by: seller
- time: 30 days
- policy: returns accepted
- method: money back
seller yofastener:
- rating: 98.6%
- # reviews: 600
- city: huntington beach, ca
offer yofastener:
- sold #: 22
- prices: $20.64–$24.36
- item condition: New
- availability: in stock
- options: ship-to-home
- started: november 5, 2025
- in stock #: 4
payments yofastener:
- other
- credit card: mastercard
- wallet: apple-pay
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