When it comes to reliable fastening solutions, Hexagon socket head cap screws are a cornerstone of modern engineering and manufacturing. Their internal hex drive design allows for high torque application and a clean, flush finish. A specialized variant, the hexagonal knurled head screw, enhances this functionality by incorporating a textured head. This knurled pattern provides exceptional grip, making these screws ideal for applications where manual adjustment is frequent or where tools are not readily available. These components are indispensable in industries ranging from automotive and aerospace to electronics and consumer goods, ensuring secure and durable assemblies.
The Hexagon socket head cap screws-Knurled head is engineered with precision to meet rigorous industrial standards. The defining feature of this fastener is its knurled head, which is patterned with a cross-hatched or straight-line texture. This design allows for easy finger-tightening and removal, offering significant advantages in low-clearance areas or for components requiring regular maintenance. The knurling does not compromise the integrity of the internal hex socket, which remains fully functional for standard Allen key use when higher torque is necessary. Manufactured from high-grade materials, this product combines the mechanical strength of a standard socket cap screw with the user-friendly convenience of a textured head, making it a versatile choice for demanding applications.
Product Specifications
Material & Mechanical Properties
- Material Grades: Stainless Steel (A2/A4), Alloy Steel (Grade 8.8, 10.9, 12.9), Brass.
- Finish/Plating: Plain, Zinc Plated, Black Oxide, Nickel Plated.
- Tensile Strength: Varies by grade; e.g., Alloy Steel Grade 12.9 offers up to 1,200 MPa.
- Surface Hardness: Rockwell C32-C39 for Grade 12.9 alloy steel.
- Corrosion Resistance: Excellent with stainless steel and specific platings.
Dimensions & Technical Data
| Nominal Size (M) | Head Diameter (mm) | Head Height (mm) | Knurling Diameter (mm) | Socket Size (mm) | Standard Lengths (mm) |
|---|---|---|---|---|---|
| M3 | 5.50 | 3.00 | 6.00 | 2.50 | 5 - 25 |
| M4 | 7.00 | 4.00 | 7.50 | 3.00 | 6 - 40 |
| M5 | 8.50 | 5.00 | 9.00 | 4.00 | 8 - 50 |
| M6 | 10.00 | 6.00 | 10.50 | 5.00 | 10 - 60 |
| M8 | 13.00 | 8.00 | 13.50 | 6.00 | 12 - 80 |
| M10 | 16.00 | 10.00 | 16.50 | 8.00 | 15 - 100 |
Key Features & Benefits
- Knurled Head: Provides superior grip for hand tightening and loosening.
- Internal Hex Drive: Allows for high torque application with standard Allen keys.
- Flush Mounting: The low-profile head design fits seamlessly into counterbored holes.
- High Strength: Manufactured to international standards ensuring reliability.
- Versatility: Suitable for a wide range of materials and environments.
- Durability: Resistant to vibration loosening and corrosion.
Standards & Compliance
- DIN: 7984, 916
- ISO: 4026, 4762
- ASME: B18.3
