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5/16-18 x 3/8 Set Screws, Cup Point, Alloy Steel, Zinc Plated, 100 Pack
The cup point is the most popular style set screw, designed for fast, permanent, and semi-permanent location of parts on shafts.
5/16"-18 x 3/8" Set Screws, Cup Point, Alloy Steel, Zinc Plated, 100 Pack
Item #: 188823482

5/16"-18 x 3/8" Set Screws, Cup Point, Alloy Steel, Zinc Plated, 100 Pack

Item #: 188823482

NAD 675

Price Details

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*All items will import from US

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The cup point is the most popular style set screw, designed for fast, permanent, and semi-permanent location of parts on shafts.
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What Stands Out

Durable Alloy Steel
Crafted from high-quality alloy steel, this socket set screw offers exceptional strength and durability, ensuring long-lasting performance even in demanding applications.
Versatile Cup Point
The cup point design provides secure fastening and excellent grip, making it suitable for a variety of uses, including machinery and construction, where reliability is paramount.
Large Quantity Offer
Sold in packs of 100, this set provides a cost-effective solution for both professionals and hobbyists, ensuring you have ample supply for any project without frequent reorders.

Product Details

Shop 5/16-18 x 3/8 Set Screws, Cup Point, Alloy Steel, Zinc Plated, 100 Pack online at a best price in Namibia. B07CPG1YLS
Thread Size5/16-18
Thread CoverageFully Threaded
Size Name5/16-18 x 3/8 inch (131109.7 cm)
BrandNewport Fasteners
ColorSilver
Fastener TypeMachine Screw
ManufacturerNewport Fasteners
Part Number723894
Screw Point StyleCupped Point
Head TypeSocket
Thread TypeUnc
Set Screw Thread TypeCoarse
Thread StyleRight Hand
Drive SystemInternal Hex
Material TypeAlloy Steel
Exterior FinishZinc
Metal TypeAlloy Steel,Zinc
MaterialAlloy Steel
Point StyleCupped Point
Item Weight1.5 lbs (680 grams)

Who Should Buy?

Suitable For
  • DIY Enthusiasts

    Perfect for hobbyists working on small projects needing reliable and durable screws for assembly.

  • Machinists

    Useful for machinists requiring precise, secure fittings in machinery with blind holes.

  • Automotive Repairs

    Ideal for automotive applications where limited space and strong hold are critical.

Not Suitable For
  • Heavy Load Applications

    May not be suitable for applications requiring screws that can withstand significant weight or stress.

Product Description

5/16"-18 x 3/8" Set Screws, Cup Point, Alloy Steel, Zinc Plated, 100 Pack

Have any Query? Chat with us

Customer Questions & Answers

  • Question: What is a cup point set screw?

    Answer: A cup point set screw is a fastener with a rounded end that allows for secure fastening in applications where minimal space is available. This design is ideal for making contact with a shaft, enabling it to secure components like pulleys and collars effectively. The cup point creates a dimple on the shaft, reducing the likelihood of slippage, making it a preferred choice in mechanical assemblies.
  • Question: What materials are used in 5/16"-18 X 3/8" set screws?

    Answer: These set screws are made from hardened alloy steel which offers enhanced strength and durability. The zinc plating provides corrosion resistance, ensuring longevity in various applications. This combination of materials is especially important in environments exposed to moisture or other corrosive factors, ensuring that the screws maintain their integrity and functionality over time.
  • Question: How do I install cup point set screws?

    Answer: To install cup point set screws, align the screw with the threaded hole of the component you wish to secure. Use a hex socket wrench to drive the screw into the hole until it contacts the shaft or collar. It is crucial to ensure that the screw is tightened firmly but not over-torqued, which could damage the components or the screw itself. Proper installation prevents issues like loosening during operation.
  • Question: What are the common applications for these set screws?

    Answer: 5/16"-18 X 3/8" cup point set screws are commonly used in machinery to secure pulleys, collars, gears, and other components to shafts. They are typically utilized in various sectors such as automotive, manufacturing, and appliances where reliable fastening is critical. Any mechanical assembly requiring components to maintain position or alignment can benefit from the use of these screws.
  • Question: Are these set screws suitable for outdoor use?

    Answer: Yes, the zinc plating on these set screws provides a level of corrosion resistance, making them suitable for mild outdoor use. However, in harsh environments with heavy exposure to moisture or chemicals, additional protective measures might be necessary to ensure their longevity. Always assess the specific environmental conditions where these screws will be utilized.
  • Question: What is the difference between cup point and flat point set screws?

    Answer: Cup point set screws have a rounded tip that grips a shaft effectively, creating a dimple that prevents slipping. In contrast, flat point set screws have a flat tip that distributes contact over a larger area but may not grip as securely. The choice between the two depends on the application; cup points are excellent for gripping and securing, while flat points are better for applications requiring less risk of damage to the shaft.
  • Question: What tools do I need to work with these set screws?

    Answer: To work with 5/16"-18 X 3/8" cup point set screws, you will need a hex socket wrench that fits the screw head. A torque wrench is also recommended to ensure proper tightening without over-torquing. Additionally, having a metric ruler or caliper on hand can help confirm dimensions if needed. Proper tools enhance efficiency and ensure precision during your assembly or repair tasks.
  • Question: How many set screws are included in a pack?

    Answer: Each pack contains 100 pieces of 5/16"-18 X 3/8" cup point set screws. This quantity is ideal for both small and larger projects, ensuring that you have ample screws for multiple tasks or repairs without the need for frequent reorders. Having a bulk pack can be cost-effective and convenient for ongoing maintenance or assembly projects.
  • Question: Can these set screws be reused?

    Answer: While cup point set screws can be reused, it is important to inspect them for wear or damage upon removal. Over-tightening or repeated use can cause deformation or loss of grip, making them less effective. If they exhibit any signs of wear, it is advisable to replace them to maintain the integrity of your assembly.
  • Question: Where can I buy 5/16"-18 X 3/8" set screws in Namibia?

    Answer: You can buy 5/16"-18 X 3/8" set screws at Ubuy, which offers a variety of hardware supplies, including cup point set screws. Ubuy provides easy access to this specific product, ensuring you can find the right fasteners for your mechanical projects and repairs in Namibia.

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