Unbrako 3/8 X 1.1/2 Inch Socket Set Screws (Allen/Grub Screws) - Inch, (Pack of 10)

The Unbrako 3/8" x 1-1/2 Inch Socket Set Screws (Allen/Grub Screws) are high-quality, durable fasteners designed for securing components in mechanical, automotive, industrial, and DIY applications. These headless screws, also known as grub screws, are crafted from hardened steel or alloy steel, ensuring high strength and long-lasting performance under heavy stress. The hex (Allen) drive allows for easy installation using an Allen wrench or hex key, providing excellent torque control and reducing the risk of slippage or damage during tightening.

With a 3/8" diameter and 1-1/2" length, these screws are ideal for applications requiring a medium-strength, reliable fastening solution. Their coarse threads offer superior gripping power, making them suitable for environments exposed to vibration, mechanical stress, or dynamic forces. The headless design ensures a flush fit, allowing for secure fastening in tight spaces or assemblies where protruding screws would be an issue.

Product Features:

• Size and Length: The 3/8" diameter and 1-1/2" length offer a solid, medium-strength fastening solution for a wide range of applications. The 1-1/2" length provides enough thread engagement for a secure connection, while the 3/8" diameter ensures a strong, stable hold.
• Material: These screws are made from hardened steel or alloy steel, providing excellent strength, wear resistance, and durability. Hardened steel screws offer long-lasting performance even under high mechanical stress, while alloy steel provides increased tensile strength, making them suitable for heavy-duty applications.
• Hex (Allen) Drive: The hex drive design allows for easy and precise installation with an Allen wrench or hex key, ensuring a secure and tight connection. The Allen drive prevents slippage and stripping, making it ideal for high-torque applications and hard-to-reach areas.
• Headless (Grub) Design: These screws are headless, meaning they sit flush with the surface once installed. This design is ideal for applications where a protruding screw head would be an obstacle or create interference. The low-profile design makes these screws perfect for tight spaces where a traditional screw with a head would not fit.
• Coarse Threads: The coarse threads offer superior holding power and grip, even in softer or thicker materials. Coarse threads are also more resistant to loosening under vibration, making these screws ideal for machinery and automotive applications where dynamic forces are common.
• Pack Size: The 100-piece bulk pack provides ample supply for larger projects, industrial applications, and ongoing maintenance. This bulk quantity is ideal for professionals or DIY enthusiasts who frequently need reliable socket set screws.
• Corrosion Resistance: Some versions of these screws are finished with a protective coating, such as black oxide or zinc plating, to enhance resistance to rust, corrosion, and wear. These coatings make the screws suitable for outdoor, industrial, and marine environments where exposure to moisture and chemicals is common.

Applications:

The Unbrako 3/8" x 1-1/2 Inch Socket Set Screws are versatile fasteners that can be used in a variety of applications:

• Mechanical Equipment: These screws are commonly used to secure gears, bearings, shafts, pulleys, flywheels, and other mechanical components in equipment. The coarse threads provide a strong, reliable grip, while the headless design ensures the screw sits flush and doesn’t interfere with surrounding parts.
• Automotive Applications: The flush, low-profile design of these screws makes them perfect for securing engine components, clutch assemblies, bearing housings, and other automotive parts. The coarse threads ensure that the screws remain securely fastened in high-vibration environments.
• Industrial Machinery: These screws are ideal for securing components like gears, bearings, motors, and pulleys in industrial machinery. The coarse threads offer better resistance to vibration, while the headless design ensures that there’s no risk of the screws obstructing or interfering with moving parts.
• Electronics and Electrical Equipment: The headless, low-profile design makes these screws perfect for securing parts in electrical enclosures, circuit boards, connectors, and other electronic assemblies. Their corrosion-resistant coatings make them suitable for use in environments prone to moisture or chemicals.
• DIY Projects and Home Repairs: Whether you're building or repairing mechanical assemblies, automotive systems, or home appliances, these screws offer a strong, secure fastening solution. The headless design allows for easy installation in tight spaces, while the coarse threads ensure that they stay securely fastened even under vibration.

Advantages:

• Strength and Durability: Made from hardened steel or alloy steel, these screws are highly durable and can withstand high mechanical stress, vibration, and wear. They are designed to last and perform reliably in demanding environments.
• Low-Profile, Headless Design: The headless design allows for a flush fit once the screws are installed, making them ideal for applications where protruding screw heads would be problematic, such as in tight spaces or with moving parts.
• Coarse Threads for Strong Grip: The coarse threads provide superior resistance to vibration and dynamic forces, ensuring the screws remain securely fastened over time, even in high-stress environments.
• Easy Installation with Hex Drive: The hex (Allen) drive ensures easy and precise installation using an Allen wrench or hex key, providing control and reducing the risk of slippage or damage.
• Corrosion-Resistant Coating: Available with black oxide or zinc plating, these coatings provide additional protection against rust and corrosion, making these screws suitable for harsh, outdoor, or marine environments.
• Bulk Pack Convenience: The 100-piece bulk pack offers significant value for larger projects, repairs, and maintenance. This quantity is ideal for professionals who require a consistent supply of reliable fasteners.

Specifications:

• Diameter: 3/8" (0.375 inches)
• Length: 1-1/2" (1.500 inches)
• Drive Type: Hex (Allen)
• Thread Type: Coarse threads
• Material: Hardened steel, alloy steel, or stainless steel (depending on variant)
• Finish: Black oxide, zinc plating, or plain steel (varies by model)
• Quantity: 100 pieces per pack

Conclusion:

The Unbrako 3/8" x 1-1/2 Inch Socket Set Screws offer a durable, reliable fastening solution for a wide range of mechanical, automotive, industrial, and DIY applications. Their headless design, coarse threads, and hex drive ensure a secure fit, making them ideal for applications that require a low-profile, flush installation. These screws are designed to perform in high-stress, vibration-prone environments, providing long-lasting performance. With a 100-piece bulk pack, they offer excellent value for professionals and DIYers who need a dependable fastener for their projects. Whether you're working on machinery, automotive repairs, or home improvement, these socket set screws provide the strength and reliability you need.

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