Overview
Penta bolts are specialized fasteners designed to provide secure and reliable connections in a variety of industrial applications. Characterized by their unique five-sided head shape, penta bolts offer enhanced torque transmission and resistance to tampering, making them ideal for use in environments where security and durability are paramount. Manufactured using high-grade steel alloys or stainless steel, these bolts undergo precision forging and threading processes to ensure consistent performance and dimensional accuracy. The design of penta bolts allows for easy installation and removal with compatible tools, while their robust construction ensures excellent resistance to corrosion, wear, and mechanical stress. These features make penta bolts suitable for use in automotive assembly, heavy machinery, construction equipment, and other sectors requiring dependable fastening solutions.
The performance of penta bolts is further enhanced by their ability to maintain tight clamping forces under dynamic loads and vibrations, reducing the risk of loosening over time. Their distinctive pentagonal head not only improves grip but also serves as a deterrent against unauthorized tampering, which is critical in security-sensitive applications. Available in various sizes and finishes, penta bolts can be tailored to meet specific engineering requirements, including high-temperature resistance and chemical exposure. The combination of strength, precision, and tamper-resistant design makes penta bolts a preferred choice for industries seeking fasteners that deliver both functionality and security. Their versatility and reliability contribute significantly to the longevity and safety of assembled components across multiple industrial sectors.
| Product Type | Penta Bolts |
| Head Style | Five-sided (Pentagonal) Head |
| Manufacturing Process | Cold Forged or Hot Forged |
| Thread Type | Unified National Coarse (UNC) or Unified National Fine (UNF) Threads |
| Common Materials | Carbon Steel, Stainless Steel, Alloy Steel |
| Available Sizes | M5 to M24 (Metric), 1/4″ to 1″ (Imperial) |
| Strength Features | High Tensile Strength, Corrosion Resistance (depending on material) |
| Typical Applications | Security Fastening, Tamper-resistant Assemblies, Industrial Equipment |
| Surface Finishes | Zinc Plated, Black Oxide, Hot-dip Galvanized, Plain |
| Standards | ISO 898-1, DIN 933, ASTM A307 |
| Customization | Custom Sizes, Materials, Threads & Surface Finishes Available |
The unique five-sided head prevents unauthorized removal, ensuring enhanced security in sensitive installations and public areas.
Manufactured from premium stainless steel and alloy steel, providing excellent tensile strength and durability under stress.
Available in corrosion-resistant materials suitable for harsh environments, extending service life in outdoor and marine applications.
Produced with tight tolerances for consistent fit and reliable fastening performance across all sizes.
Ideal for use in automotive, electronics, construction, and security industries requiring secure fastening solutions.
Designed to be installed and removed only with dedicated penta drivers, preventing tampering and unauthorized access.
| Product Type | Penta Head Bolts |
|---|---|
| Thread Type | Metric Coarse and Fine |
| Diameter Range | M5 to M30 |
| Length Range | 20 mm to 150 mm |
| Available Materials | Stainless Steel, Carbon Steel, Alloy Steel |
| Manufacturing Standards | ASTM F468, ISO 10664 |
| Surface Finish | Plain, Zinc Plated, Black Oxide |
| Diameter (mm) | Head Width Across Flats (mm) | Head Height (mm) |
|---|---|---|
| M5 | 8 | 4 |
| M8 | 13 | 6.5 |
| M12 | 19 | 9 |
| M16 | 24 | 12 |
| M30 | 45 | 22 |
