Overview
Set screws are specialized fasteners designed to secure an object within or against another object, typically without the use of a nut. These screws are characterized by their threaded shaft and the absence of a protruding head, allowing them to be fully embedded within the material. Manufactured with precision, set screws are often produced from high-grade steel, stainless steel, or alloy materials to ensure durability and resistance to corrosion. The design includes various tip styles such as cup, flat, cone, or dog point, each tailored to provide optimal holding power depending on the application. Set screws are engineered to deliver reliable performance in securing components like pulleys, gears, and collars onto shafts, preventing relative motion and maintaining alignment under operational stresses.
The manufacturing process of set screws involves stringent quality control measures to maintain thread accuracy and material integrity, which are critical for their function in mechanical assemblies. Their compact design allows for installation in confined spaces, making set screws ideal for applications in automotive, aerospace, machinery, and electronics industries. The ability of set screws to provide a secure, adjustable fastening solution without the need for additional hardware offers significant advantages in assembly efficiency and maintenance. By ensuring a firm grip and minimizing the risk of loosening due to vibration or torque, set screws contribute to the overall reliability and longevity of mechanical systems where precise component positioning is essential.
| Product Type | Set Screw |
| Head Style | Headless (Cup Point, Flat Point, Cone Point) |
| Manufacturing Process | Cold Forged and Thread Rolled |
| Thread Type | Unified National Coarse (UNC) or Unified National Fine (UNF) |
| Common Materials | Carbon Steel, Stainless Steel, Alloy Steel |
| Available Sizes | #2 to 1 inch diameter, various lengths |
| Strength Features | High tensile strength, resistant to loosening under vibration |
| Typical Applications | Securing pulleys, gears, collars to shafts |
| Surface Finishes | Plain, Zinc Plated, Black Oxide, Phosphate Coated |
| Standards | ASME B18.3, DIN 916 |
| Customization | Custom Sizes, Materials, Threads & Surface Finishes Available |
Headless profile allows flush mounting in assemblies where space is limited, preventing interference with other components.
Provides strong grip and resistance to loosening under vibration and dynamic loads, ensuring secure fastening.
Suitable for use in machinery, automotive, electronics, and equipment requiring precise component positioning.
Available in stainless steel, carbon steel, and alloy steel to meet diverse strength and corrosion resistance needs.
Manufactured to meet ASTM, DIN, and ISO standards for quality and interchangeability.
Offered with various coatings and stainless steel grades to withstand harsh environments and extend service life.
| Product Type | Set Screw |
| Thread Type | Metric, Unified |
| Diameter Range | M2 to M20 |
| Length Range | 4 mm to 50 mm |
| Available Materials | Stainless Steel, Carbon Steel, Alloy Steel |
| Manufacturing Standards | ASTM F835, DIN 914, ISO 4029 |
| Surface Finish | Plain, Zinc Plated, Black Oxide |
| Diameter (mm) | Length (mm) | Thread Pitch (mm) |
|---|---|---|
| M2 | 4, 6, 8 | 0.4 |
| M4 | 6, 8, 10, 12 | 0.7 |
| M6 | 8, 10, 12, 16 | 1.0 |
| M10 | 16, 20, 25, 30 | 1.5 |
| M20 | 30, 40, 50 | 2.5 |