The Grub Screw, also referred to as a set screw, is a specialized fastener designed for discreet and secure fastening applications without any protrusion. Featuring a headless design, the screw is fully threaded along its length, facilitating flush or recessed installation within or against mating components such as shafts, collars, and gears. This ensures a smooth surface finish while enabling firm securing of parts to prevent unwanted movement. Manufactured from a range of premium materials including stainless steel, carbon steel, brass, and alloy steel, these grub screws are engineered to meet varying strength requirements and environmental conditions. The variety of drive options, such as hex socket, slotted, square, and Torx, provide flexibility in torque application and ease of use during installation. Furthermore, the choice of tip designs including flat, cup, cone, and ball end ensures optimal grip depending on the fastening need. Ideal for industries requiring high-performance fastening like automotive, machinery manufacturing, electronics assembly, and food processing, these grub screws deliver reliable performance in demanding environments while maintaining a neat, flush finish.
Key Features
| Features | Description |
|---|---|
| Headless Design | Allows flush or recessed installation with no protruding head for a smooth finish. |
| Drive Types | Available in hex socket, slotted, square, and Torx for versatile torque application. |
| Material Options | Manufactured from stainless steel, carbon steel, brass, and alloy steel to suit diverse strength and corrosion resistance needs. |
| Threading | Fully threaded along entire length to maximize grip and fastening strength. |
| Tip Variations | Includes flat, cup, cone, and ball ends tailored for different grip and pressure applications. |
| Corrosion Resistance | Stainless steel and brass variants provide excellent resistance against corrosion in harsh environments. |
| Size Range | Available in multiple thread diameters and lengths to meet specific application requirements. |
| Attributes | Description |
|---|---|
| Type | Grub Screw / Set Screw |
| Design | Headless, fully threaded |
| Materials | Stainless Steel, Carbon Steel, Brass, Alloy Steel |
| Drive Style | Hex Socket, Slotted, Square, Torx |
| Tip Types | Flat, Cup, Cone, Ball End |
| Typical Applications | Securing shafts, gears, collars, mechanical components |
| Corrosion Resistance | Excellent in stainless steel and brass variants |
| Installation Method | Tightened flush or below surface using appropriate drive tool |
*Disclaimer: The above description has been AI-generated and has not been audited or verified for accuracy. It is recommended to verify product details independently before making any purchasing decisions.
Hex socket grub screws allow for higher torque application and easier installation in confined spaces compared to slotted drives, reducing the risk of cam-out and ensuring more secure fastening in industrial environments.
Stainless steel grub screws are the best choice for corrosive marine environments due to their excellent resistance to rust and oxidation, ensuring long-term durability.
The tip type determines the contact and grip on the mating surface: flat ends provide uniform pressure, cup points offer better grip to prevent loosening, cone points allow for precise penetration in soft materials, and ball ends enable smooth contact for rotating applications.
Yes, grub screws are designed to be installed flush or recessed below the surface of the mating part, which provides a smooth finish without protrusions, minimizes interference with other components, and reduces the risk of snagging.
Grub screws are commonly available in a wide range of thread sizes from small diameters like M2 up to larger sizes like M12 or more, with varying lengths to accommodate tight spatial requirements in precision machinery.
Brand: elpar
Country Of Origin: India
Grub screws are fully threaded fasteners without an external head, designed to be screwed flush or below the surface of a mating part. This design ensures that the screw does not protrude, making it ideal for applications where a smooth, unobtrusive finish is required. They exert pressure on a mating surface to prevent movement or secure components such as shafts, gears, or collars.
Materials:
Stainless Steel: Offers excellent corrosion resistance and is suitable for marine, chemical, and food processing environments.
Carbon Steel: Provides high strength and durability, often coated or plated for corrosion resistance.
Alloy Steel: Used where higher mechanical strength is necessary.
Brass: Used for low-strength applications, offering good corrosion resistance and electrical conductivity.
Drive Types:
Hex Socket (Allen): The most common, allowing strong torque application and easy installation with an Allen key.
Slotted: Traditional drive type, less common due to limited torque capability.
