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Item #:
27881090
MonsterBolts - #4-40 x 3/32" Cup Point Set Screws, ASME B18.3, Stainless Steel, 10 Pack
Item #:
27881090
TTD 93
Price Details
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*All items will import from US
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Imported from USA store
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Order now and get it around Wednesday, August 26
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What Stands Out
High-Quality Material
Crafted from durable stainless steel, these set screws resist rust and corrosion, ensuring long-lasting performance and reliability in various applications.
Precise Dimensions
Each screw is manufactured to stringent ASME B18.3 standards, ensuring uniformity and precise fit for optimal functionality in mechanical assemblies.
Convenient Packaging
Offered in a pack of 10, these screws are perfect for DIY projects and professional use, providing ample supply for multiple tasks and enhancing project efficiency.
Product Details
| Thread Size | #4 |
| Item Weight | 0.34 Ounces (9.64 grams) |
| Thread Coverage | Fully Threaded |
| Fastener Size | No. 4 |
| Size Name | 0.094 Length (3/32 inch) |
| Compatible Groove Diameter | 0.09 Inches (0.2 cm) |
| Number of Pieces | 10 |
| Brand | MonsterBolts |
| Color | Stainless Steel |
| Fastener Type | Machine Screw |
| Part Number | SET-M-A2-4-40x3/32.0010 |
| Unit Count | 10.00 Count |
| Manufacturer | MonsterBolts |
| Screw Head Style | Hex, Socket |
| Screw Point Style | Cupped Point |
| Head Type | Socket |
| Thread Type | Unc |
| Set Screw Thread Type | UNC |
| Thread Style | Right Hand |
| Thread Class | Standard |
| Maximum Shear Strength | 100000 psi |
| Grade Rating | Premium |
| Drive System | Internal Hex |
| Material Type | Stainless Steel |
| Exterior Finish | Stainless Steel |
| Metal Type | Stainless Steel |
| Material | Stainless Steel |
| Head Style | Hex, Socket |
| Point Style | Cupped Point |
Who Should Buy?
-
DIY Enthusiasts
Perfect for hobbyists who require precise, reliable fasteners for small projects or models.
-
Mechanical Applications
Ideal for use in mechanical assemblies needing secure and adjustable connections.
-
Corrosion Resistance
Excellent choice for environments exposed to moisture, enhancing the longevity of installations.
-
Heavy-Duty Uses
Not suitable for heavy load applications requiring more robust fasteners for structural integrity.
Product Description
MonsterBolts - #4-40 x 3/32" Cup Point Set Screws, ASME B18.3, Stainless Steel, 10 Pack
Have any Query? Chat with us
Customer Questions & Answers
-
Question:
What is the diameter of these screws?
Answer: These screws have a diameter of #4. -
Question:
What is the thread size and count?
Answer: The thread size/count is 40 TPI (coarse). -
Question:
What material are these screws made of?
Answer: These screws are made of high-quality 18-8 stainless steel (A2).
MonsterBolts Set Screws Editorial Review
**** The MonsterBolts #4-40 x 5/16" Stainless Steel Socket Set Screws have garnered positive feedback from customers who value their reliable performance in specific applications, particularly in firearms assembly and repair. Users report that these screws are effective in securing components such as the rear takedown pin and detents in AR lower receivers, underscoring their precise fit and utility in these settings. The stainless steel Construction is highly praised for its resistance to rust, even after exposure to water, which users Consider a significant advantage, particularly for those using these products in high-moisture environments. However, there is a caveat regarding compatibility; some customers experienced issues with the size of the Allen wrench, indicating that the 1/16 inch wrench did not fit as expected. This has led to some frustration among users, especially those who are accustomed to standard sizes, raising a need for manufacturers to provide clearer specifications on the tooling required. Overall, the product is well-received for its quality and effectiveness but has minor drawbacks that potential buyers should be aware of. **
Customer Reviews & Ratings
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Pros
- Excellent performance in specific applications like AR lower assembly.
- High resistance to rust and corrosion.
- Well-manufactured, effective for intended uses.
Cons
- Possible lack of clarity regarding wrench size compatibility.
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“Excellent quality and original too,when ubuy send original things I will appreciate that ,I very satisfied thank you”
23 July 2026 · via Trustpilot
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“The order and delivery progress was communicated very well. Package arrived within the estimated time. Products arrived as expected in good condition.”
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23 July 2026 · via Trustpilot
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TTD 93
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